rebuild tests

2024-09-14 15:46:34 +08:00
parent 1e58c365ed
commit c0e1e31572
17 changed files with 2483 additions and 2432 deletions
--- a/cl/_testrt/abinamed/out.ll
+++ b/cl/_testrt/abinamed/out.ll
@@ -190,237 +190,237 @@ _llgo_0:
  call void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr %27)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  %28 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
-  %29 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %28, i64 56)
-  %30 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %31 = load ptr, ptr %30, align 8
-  %32 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %31)
-  %33 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %32, i32 0, i32 2
-  %34 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %33, align 8
-  %35 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %34, 0
-  %36 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %34, 1
-  %37 = icmp sge i64 0, %36
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %37)
-  %38 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %35, i64 0
-  %39 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %38, align 8
-  store %"github.com/goplus/llgo/internal/abi.StructField" %39, ptr %29, align 8
-  %40 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %29, i32 0, i32 1
-  %41 = load ptr, ptr %40, align 8
-  %42 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %43 = load ptr, ptr %42, align 8
-  %44 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.Type", ptr %43, i32 0, i32 10
-  %45 = load ptr, ptr %44, align 8
-  %46 = icmp ne ptr %41, %45
-  br i1 %46, label %_llgo_1, label %_llgo_2
+  call void @llvm.memset(ptr %28, i8 0, i64 56, i1 false)
+  %29 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %30 = load ptr, ptr %29, align 8
+  %31 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %30)
+  %32 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %31, i32 0, i32 2
+  %33 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %32, align 8
+  %34 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %33, 0
+  %35 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %33, 1
+  %36 = icmp sge i64 0, %35
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %36)
+  %37 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %34, i64 0
+  %38 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %37, align 8
+  store %"github.com/goplus/llgo/internal/abi.StructField" %38, ptr %28, align 8
+  %39 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %28, i32 0, i32 1
+  %40 = load ptr, ptr %39, align 8
+  %41 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %42 = load ptr, ptr %41, align 8
+  %43 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.Type", ptr %42, i32 0, i32 10
+  %44 = load ptr, ptr %43, align 8
+  %45 = icmp ne ptr %40, %44
+  br i1 %45, label %_llgo_1, label %_llgo_2

 _llgo_1:                                          ; preds = %_llgo_0
-  %47 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %48 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %47, i32 0, i32 0
-  store ptr @63, ptr %48, align 8
-  %49 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %47, i32 0, i32 1
-  store i64 13, ptr %49, align 4
-  %50 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %47, align 8
-  %51 = load ptr, ptr @_llgo_string, align 8
-  %52 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %50, ptr %52, align 8
-  %53 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %54 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %53, i32 0, i32 0
+  %46 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %47 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %46, i32 0, i32 0
+  store ptr @63, ptr %47, align 8
+  %48 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %46, i32 0, i32 1
+  store i64 13, ptr %48, align 4
+  %49 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %46, align 8
+  %50 = load ptr, ptr @_llgo_string, align 8
+  %51 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %49, ptr %51, align 8
+  %52 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %53 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %52, i32 0, i32 0
+  store ptr %50, ptr %53, align 8
+  %54 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %52, i32 0, i32 1
  store ptr %51, ptr %54, align 8
-  %55 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %53, i32 0, i32 1
-  store ptr %52, ptr %55, align 8
-  %56 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %53, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %56)
+  %55 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %52, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %55)
  unreachable

 _llgo_2:                                          ; preds = %_llgo_0
-  %57 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %29, i32 0, i32 1
-  %58 = load ptr, ptr %57, align 8
-  %59 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %58)
-  %60 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %61 = load ptr, ptr %60, align 8
-  %62 = icmp ne ptr %59, %61
-  br i1 %62, label %_llgo_3, label %_llgo_4
+  %56 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %28, i32 0, i32 1
+  %57 = load ptr, ptr %56, align 8
+  %58 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %57)
+  %59 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %60 = load ptr, ptr %59, align 8
+  %61 = icmp ne ptr %58, %60
+  br i1 %61, label %_llgo_3, label %_llgo_4

 _llgo_3:                                          ; preds = %_llgo_2
-  %63 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %64 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %63, i32 0, i32 0
-  store ptr @64, ptr %64, align 8
-  %65 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %63, i32 0, i32 1
-  store i64 18, ptr %65, align 4
-  %66 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %63, align 8
-  %67 = load ptr, ptr @_llgo_string, align 8
-  %68 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %66, ptr %68, align 8
-  %69 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %70 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %69, i32 0, i32 0
+  %62 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %63 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %62, i32 0, i32 0
+  store ptr @64, ptr %63, align 8
+  %64 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %62, i32 0, i32 1
+  store i64 18, ptr %64, align 4
+  %65 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %62, align 8
+  %66 = load ptr, ptr @_llgo_string, align 8
+  %67 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %65, ptr %67, align 8
+  %68 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %69 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %68, i32 0, i32 0
+  store ptr %66, ptr %69, align 8
+  %70 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %68, i32 0, i32 1
  store ptr %67, ptr %70, align 8
-  %71 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %69, i32 0, i32 1
-  store ptr %68, ptr %71, align 8
-  %72 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %69, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %72)
+  %71 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %68, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %71)
  unreachable

 _llgo_4:                                          ; preds = %_llgo_2
-  %73 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
-  %74 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %73, i64 56)
-  %75 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %76 = load ptr, ptr %75, align 8
-  %77 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %76)
-  %78 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %77, i32 0, i32 2
-  %79 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %78, align 8
-  %80 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %79, 0
-  %81 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %79, 1
-  %82 = icmp sge i64 1, %81
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %82)
-  %83 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %80, i64 1
-  %84 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %83, align 8
-  store %"github.com/goplus/llgo/internal/abi.StructField" %84, ptr %74, align 8
-  %85 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %74, i32 0, i32 1
+  %72 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
+  call void @llvm.memset(ptr %72, i8 0, i64 56, i1 false)
+  %73 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %74 = load ptr, ptr %73, align 8
+  %75 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %74)
+  %76 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %75, i32 0, i32 2
+  %77 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %76, align 8
+  %78 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %77, 0
+  %79 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %77, 1
+  %80 = icmp sge i64 1, %79
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %80)
+  %81 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %78, i64 1
+  %82 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %81, align 8
+  store %"github.com/goplus/llgo/internal/abi.StructField" %82, ptr %72, align 8
+  %83 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %72, i32 0, i32 1
+  %84 = load ptr, ptr %83, align 8
+  %85 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
  %86 = load ptr, ptr %85, align 8
-  %87 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
+  %87 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.Type", ptr %86, i32 0, i32 10
  %88 = load ptr, ptr %87, align 8
-  %89 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.Type", ptr %88, i32 0, i32 10
-  %90 = load ptr, ptr %89, align 8
-  %91 = icmp ne ptr %86, %90
-  br i1 %91, label %_llgo_5, label %_llgo_6
+  %89 = icmp ne ptr %84, %88
+  br i1 %89, label %_llgo_5, label %_llgo_6

 _llgo_5:                                          ; preds = %_llgo_4
-  %92 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %93 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %92, i32 0, i32 0
-  store ptr @65, ptr %93, align 8
-  %94 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %92, i32 0, i32 1
-  store i64 13, ptr %94, align 4
-  %95 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %92, align 8
-  %96 = load ptr, ptr @_llgo_string, align 8
-  %97 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %95, ptr %97, align 8
-  %98 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %99 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %98, i32 0, i32 0
-  store ptr %96, ptr %99, align 8
-  %100 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %98, i32 0, i32 1
-  store ptr %97, ptr %100, align 8
-  %101 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %98, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %101)
+  %90 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %91 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %90, i32 0, i32 0
+  store ptr @65, ptr %91, align 8
+  %92 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %90, i32 0, i32 1
+  store i64 13, ptr %92, align 4
+  %93 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %90, align 8
+  %94 = load ptr, ptr @_llgo_string, align 8
+  %95 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %93, ptr %95, align 8
+  %96 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %97 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %96, i32 0, i32 0
+  store ptr %94, ptr %97, align 8
+  %98 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %96, i32 0, i32 1
+  store ptr %95, ptr %98, align 8
+  %99 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %96, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %99)
  unreachable

 _llgo_6:                                          ; preds = %_llgo_4
-  %102 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %74, i32 0, i32 1
-  %103 = load ptr, ptr %102, align 8
-  %104 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %103)
-  %105 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
-  %106 = load ptr, ptr %105, align 8
-  %107 = icmp ne ptr %104, %106
-  br i1 %107, label %_llgo_7, label %_llgo_8
+  %100 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %72, i32 0, i32 1
+  %101 = load ptr, ptr %100, align 8
+  %102 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %101)
+  %103 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
+  %104 = load ptr, ptr %103, align 8
+  %105 = icmp ne ptr %102, %104
+  br i1 %105, label %_llgo_7, label %_llgo_8

 _llgo_7:                                          ; preds = %_llgo_6
-  %108 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %109 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %108, i32 0, i32 0
-  store ptr @66, ptr %109, align 8
-  %110 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %108, i32 0, i32 1
-  store i64 18, ptr %110, align 4
-  %111 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %108, align 8
-  %112 = load ptr, ptr @_llgo_string, align 8
-  %113 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %111, ptr %113, align 8
-  %114 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %115 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %114, i32 0, i32 0
-  store ptr %112, ptr %115, align 8
-  %116 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %114, i32 0, i32 1
-  store ptr %113, ptr %116, align 8
-  %117 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %114, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %117)
+  %106 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %107 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %106, i32 0, i32 0
+  store ptr @66, ptr %107, align 8
+  %108 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %106, i32 0, i32 1
+  store i64 18, ptr %108, align 4
+  %109 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %106, align 8
+  %110 = load ptr, ptr @_llgo_string, align 8
+  %111 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %109, ptr %111, align 8
+  %112 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %113 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %112, i32 0, i32 0
+  store ptr %110, ptr %113, align 8
+  %114 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %112, i32 0, i32 1
+  store ptr %111, ptr %114, align 8
+  %115 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %112, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %115)
  unreachable

 _llgo_8:                                          ; preds = %_llgo_6
-  %118 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
-  %119 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %118, i64 56)
-  %120 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %121 = load ptr, ptr %120, align 8
-  %122 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %121)
-  %123 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %122, i32 0, i32 2
-  %124 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %123, align 8
-  %125 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %124, 0
-  %126 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %124, 1
-  %127 = icmp sge i64 2, %126
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %127)
-  %128 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %125, i64 2
-  %129 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %128, align 8
-  store %"github.com/goplus/llgo/internal/abi.StructField" %129, ptr %119, align 8
-  %130 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %119, i32 0, i32 1
-  %131 = load ptr, ptr %130, align 8
-  %132 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
-  %133 = load ptr, ptr %132, align 8
-  %134 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %133)
-  %135 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %134, i32 0, i32 2
-  %136 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %135, align 8
-  %137 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %136, 0
-  %138 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %136, 1
-  %139 = icmp sge i64 0, %138
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %139)
-  %140 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %137, i64 0
-  %141 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %140, i32 0, i32 1
-  %142 = load ptr, ptr %141, align 8
-  %143 = icmp ne ptr %131, %142
-  br i1 %143, label %_llgo_9, label %_llgo_10
+  %116 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
+  call void @llvm.memset(ptr %116, i8 0, i64 56, i1 false)
+  %117 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %118 = load ptr, ptr %117, align 8
+  %119 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %118)
+  %120 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %119, i32 0, i32 2
+  %121 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %120, align 8
+  %122 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %121, 0
+  %123 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %121, 1
+  %124 = icmp sge i64 2, %123
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %124)
+  %125 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %122, i64 2
+  %126 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %125, align 8
+  store %"github.com/goplus/llgo/internal/abi.StructField" %126, ptr %116, align 8
+  %127 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %116, i32 0, i32 1
+  %128 = load ptr, ptr %127, align 8
+  %129 = getelementptr inbounds %main.eface, ptr %15, i32 0, i32 0
+  %130 = load ptr, ptr %129, align 8
+  %131 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %130)
+  %132 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %131, i32 0, i32 2
+  %133 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %132, align 8
+  %134 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %133, 0
+  %135 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %133, 1
+  %136 = icmp sge i64 0, %135
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %136)
+  %137 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %134, i64 0
+  %138 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %137, i32 0, i32 1
+  %139 = load ptr, ptr %138, align 8
+  %140 = icmp ne ptr %128, %139
+  br i1 %140, label %_llgo_9, label %_llgo_10

 _llgo_9:                                          ; preds = %_llgo_8
-  %144 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %145 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %144, i32 0, i32 0
-  store ptr @67, ptr %145, align 8
-  %146 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %144, i32 0, i32 1
-  store i64 13, ptr %146, align 4
-  %147 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %144, align 8
-  %148 = load ptr, ptr @_llgo_string, align 8
-  %149 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %147, ptr %149, align 8
-  %150 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %151 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %150, i32 0, i32 0
-  store ptr %148, ptr %151, align 8
-  %152 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %150, i32 0, i32 1
-  store ptr %149, ptr %152, align 8
-  %153 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %150, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %153)
+  %141 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %142 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %141, i32 0, i32 0
+  store ptr @67, ptr %142, align 8
+  %143 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %141, i32 0, i32 1
+  store i64 13, ptr %143, align 4
+  %144 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %141, align 8
+  %145 = load ptr, ptr @_llgo_string, align 8
+  %146 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %144, ptr %146, align 8
+  %147 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %148 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %147, i32 0, i32 0
+  store ptr %145, ptr %148, align 8
+  %149 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %147, i32 0, i32 1
+  store ptr %146, ptr %149, align 8
+  %150 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %147, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %150)
  unreachable

 _llgo_10:                                         ; preds = %_llgo_8
-  %154 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
-  %155 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %154, i64 56)
-  %156 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %157 = load ptr, ptr %156, align 8
-  %158 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %157)
-  %159 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %158, i32 0, i32 2
-  %160 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %159, align 8
-  %161 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %160, 0
-  %162 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %160, 1
-  %163 = icmp sge i64 3, %162
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %163)
-  %164 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %161, i64 3
-  %165 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %164, align 8
-  store %"github.com/goplus/llgo/internal/abi.StructField" %165, ptr %155, align 8
-  %166 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %155, i32 0, i32 1
-  %167 = load ptr, ptr %166, align 8
-  %168 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %167)
-  %169 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
-  %170 = load ptr, ptr %169, align 8
-  %171 = icmp ne ptr %168, %170
-  br i1 %171, label %_llgo_11, label %_llgo_12
+  %151 = alloca %"github.com/goplus/llgo/internal/abi.StructField", align 8
+  call void @llvm.memset(ptr %151, i8 0, i64 56, i1 false)
+  %152 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %153 = load ptr, ptr %152, align 8
+  %154 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).StructType"(ptr %153)
+  %155 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructType", ptr %154, i32 0, i32 2
+  %156 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %155, align 8
+  %157 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %156, 0
+  %158 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %156, 1
+  %159 = icmp sge i64 3, %158
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %159)
+  %160 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %157, i64 3
+  %161 = load %"github.com/goplus/llgo/internal/abi.StructField", ptr %160, align 8
+  store %"github.com/goplus/llgo/internal/abi.StructField" %161, ptr %151, align 8
+  %162 = getelementptr inbounds %"github.com/goplus/llgo/internal/abi.StructField", ptr %151, i32 0, i32 1
+  %163 = load ptr, ptr %162, align 8
+  %164 = call ptr @"github.com/goplus/llgo/internal/abi.(*Type).Elem"(ptr %163)
+  %165 = getelementptr inbounds %main.eface, ptr %8, i32 0, i32 0
+  %166 = load ptr, ptr %165, align 8
+  %167 = icmp ne ptr %164, %166
+  br i1 %167, label %_llgo_11, label %_llgo_12

 _llgo_11:                                         ; preds = %_llgo_10
-  %172 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %173 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %172, i32 0, i32 0
-  store ptr @68, ptr %173, align 8
-  %174 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %172, i32 0, i32 1
-  store i64 13, ptr %174, align 4
-  %175 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %172, align 8
-  %176 = load ptr, ptr @_llgo_string, align 8
-  %177 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %175, ptr %177, align 8
-  %178 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %179 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %178, i32 0, i32 0
-  store ptr %176, ptr %179, align 8
-  %180 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %178, i32 0, i32 1
-  store ptr %177, ptr %180, align 8
-  %181 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %178, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %181)
+  %168 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %169 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %168, i32 0, i32 0
+  store ptr @68, ptr %169, align 8
+  %170 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %168, i32 0, i32 1
+  store i64 13, ptr %170, align 4
+  %171 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %168, align 8
+  %172 = load ptr, ptr @_llgo_string, align 8
+  %173 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %171, ptr %173, align 8
+  %174 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %175 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %174, i32 0, i32 0
+  store ptr %172, ptr %175, align 8
+  %176 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %174, i32 0, i32 1
+  store ptr %173, ptr %176, align 8
+  %177 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %174, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %177)
  unreachable

 _llgo_12:                                         ; preds = %_llgo_10
@@ -4793,10 +4793,13 @@ declare void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr)

 declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1)

 declare void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface")

 declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/index/out.ll
+++ b/cl/_testrt/index/out.ll
@@ -30,144 +30,144 @@ _llgo_0:
  call void @"github.com/goplus/llgo/internal/runtime.init"()
  call void @main.init()
  %2 = alloca %main.point, align 8
-  %3 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %2, i64 16)
-  %4 = alloca [3 x %main.point], align 8
-  %5 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %4, i64 48)
-  %6 = getelementptr inbounds %main.point, ptr %5, i64 0
-  %7 = getelementptr inbounds %main.point, ptr %6, i32 0, i32 0
-  %8 = getelementptr inbounds %main.point, ptr %6, i32 0, i32 1
-  %9 = getelementptr inbounds %main.point, ptr %5, i64 1
-  %10 = getelementptr inbounds %main.point, ptr %9, i32 0, i32 0
-  %11 = getelementptr inbounds %main.point, ptr %9, i32 0, i32 1
-  %12 = getelementptr inbounds %main.point, ptr %5, i64 2
-  %13 = getelementptr inbounds %main.point, ptr %12, i32 0, i32 0
-  %14 = getelementptr inbounds %main.point, ptr %12, i32 0, i32 1
-  store i64 1, ptr %7, align 4
-  store i64 2, ptr %8, align 4
-  store i64 3, ptr %10, align 4
-  store i64 4, ptr %11, align 4
-  store i64 5, ptr %13, align 4
-  store i64 6, ptr %14, align 4
-  %15 = load [3 x %main.point], ptr %5, align 4
-  %16 = getelementptr inbounds %main.point, ptr %5, i64 2
-  %17 = load %main.point, ptr %16, align 4
-  store %main.point %17, ptr %3, align 4
-  %18 = getelementptr inbounds %main.point, ptr %3, i32 0, i32 0
+  call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
+  %3 = alloca [3 x %main.point], align 8
+  call void @llvm.memset(ptr %3, i8 0, i64 48, i1 false)
+  %4 = getelementptr inbounds %main.point, ptr %3, i64 0
+  %5 = getelementptr inbounds %main.point, ptr %4, i32 0, i32 0
+  %6 = getelementptr inbounds %main.point, ptr %4, i32 0, i32 1
+  %7 = getelementptr inbounds %main.point, ptr %3, i64 1
+  %8 = getelementptr inbounds %main.point, ptr %7, i32 0, i32 0
+  %9 = getelementptr inbounds %main.point, ptr %7, i32 0, i32 1
+  %10 = getelementptr inbounds %main.point, ptr %3, i64 2
+  %11 = getelementptr inbounds %main.point, ptr %10, i32 0, i32 0
+  %12 = getelementptr inbounds %main.point, ptr %10, i32 0, i32 1
+  store i64 1, ptr %5, align 4
+  store i64 2, ptr %6, align 4
+  store i64 3, ptr %8, align 4
+  store i64 4, ptr %9, align 4
+  store i64 5, ptr %11, align 4
+  store i64 6, ptr %12, align 4
+  %13 = load [3 x %main.point], ptr %3, align 4
+  %14 = getelementptr inbounds %main.point, ptr %3, i64 2
+  %15 = load %main.point, ptr %14, align 4
+  store %main.point %15, ptr %2, align 4
+  %16 = getelementptr inbounds %main.point, ptr %2, i32 0, i32 0
+  %17 = load i64, ptr %16, align 4
+  %18 = getelementptr inbounds %main.point, ptr %2, i32 0, i32 1
  %19 = load i64, ptr %18, align 4
-  %20 = getelementptr inbounds %main.point, ptr %3, i32 0, i32 1
-  %21 = load i64, ptr %20, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %17)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %19)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  %20 = alloca [2 x i64], align 8
+  call void @llvm.memset(ptr %20, i8 0, i64 16, i1 false)
+  %21 = alloca [2 x [2 x i64]], align 8
+  call void @llvm.memset(ptr %21, i8 0, i64 32, i1 false)
+  %22 = getelementptr inbounds [2 x i64], ptr %21, i64 0
+  %23 = getelementptr inbounds i64, ptr %22, i64 0
+  %24 = getelementptr inbounds i64, ptr %22, i64 1
+  %25 = getelementptr inbounds [2 x i64], ptr %21, i64 1
+  %26 = getelementptr inbounds i64, ptr %25, i64 0
+  %27 = getelementptr inbounds i64, ptr %25, i64 1
+  store i64 1, ptr %23, align 4
+  store i64 2, ptr %24, align 4
+  store i64 3, ptr %26, align 4
+  store i64 4, ptr %27, align 4
+  %28 = load [2 x [2 x i64]], ptr %21, align 4
+  %29 = getelementptr inbounds [2 x i64], ptr %21, i64 1
+  %30 = load [2 x i64], ptr %29, align 4
+  store [2 x i64] %30, ptr %20, align 4
+  %31 = getelementptr inbounds i64, ptr %20, i64 0
+  %32 = load i64, ptr %31, align 4
+  %33 = getelementptr inbounds i64, ptr %20, i64 1
+  %34 = load i64, ptr %33, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %32)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %21)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %34)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %22 = alloca [2 x i64], align 8
-  %23 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %22, i64 16)
-  %24 = alloca [2 x [2 x i64]], align 8
-  %25 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %24, i64 32)
-  %26 = getelementptr inbounds [2 x i64], ptr %25, i64 0
-  %27 = getelementptr inbounds i64, ptr %26, i64 0
-  %28 = getelementptr inbounds i64, ptr %26, i64 1
-  %29 = getelementptr inbounds [2 x i64], ptr %25, i64 1
-  %30 = getelementptr inbounds i64, ptr %29, i64 0
-  %31 = getelementptr inbounds i64, ptr %29, i64 1
-  store i64 1, ptr %27, align 4
-  store i64 2, ptr %28, align 4
-  store i64 3, ptr %30, align 4
-  store i64 4, ptr %31, align 4
-  %32 = load [2 x [2 x i64]], ptr %25, align 4
-  %33 = getelementptr inbounds [2 x i64], ptr %25, i64 1
-  %34 = load [2 x i64], ptr %33, align 4
-  store [2 x i64] %34, ptr %23, align 4
-  %35 = getelementptr inbounds i64, ptr %23, i64 0
-  %36 = load i64, ptr %35, align 4
-  %37 = getelementptr inbounds i64, ptr %23, i64 1
-  %38 = load i64, ptr %37, align 4
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %36)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %38)
+  %35 = alloca [5 x i64], align 8
+  call void @llvm.memset(ptr %35, i8 0, i64 40, i1 false)
+  %36 = getelementptr inbounds i64, ptr %35, i64 0
+  %37 = getelementptr inbounds i64, ptr %35, i64 1
+  %38 = getelementptr inbounds i64, ptr %35, i64 2
+  %39 = getelementptr inbounds i64, ptr %35, i64 3
+  %40 = getelementptr inbounds i64, ptr %35, i64 4
+  store i64 1, ptr %36, align 4
+  store i64 2, ptr %37, align 4
+  store i64 3, ptr %38, align 4
+  store i64 4, ptr %39, align 4
+  store i64 5, ptr %40, align 4
+  %41 = load [5 x i64], ptr %35, align 4
+  %42 = getelementptr inbounds i64, ptr %35, i64 2
+  %43 = load i64, ptr %42, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %43)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %39 = alloca [5 x i64], align 8
-  %40 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %39, i64 40)
-  %41 = getelementptr inbounds i64, ptr %40, i64 0
-  %42 = getelementptr inbounds i64, ptr %40, i64 1
-  %43 = getelementptr inbounds i64, ptr %40, i64 2
-  %44 = getelementptr inbounds i64, ptr %40, i64 3
-  %45 = getelementptr inbounds i64, ptr %40, i64 4
-  store i64 1, ptr %41, align 4
-  store i64 2, ptr %42, align 4
-  store i64 3, ptr %43, align 4
-  store i64 4, ptr %44, align 4
-  store i64 5, ptr %45, align 4
-  %46 = load [5 x i64], ptr %40, align 4
-  %47 = getelementptr inbounds i64, ptr %40, i64 2
-  %48 = load i64, ptr %47, align 4
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %48)
+  %44 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %45 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %44, i32 0, i32 0
+  store ptr @0, ptr %45, align 8
+  %46 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %44, i32 0, i32 1
+  store i64 6, ptr %46, align 4
+  %47 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %44, align 8
+  %48 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %47, 0
+  %49 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %47, 1
+  %50 = icmp sge i64 2, %49
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %50)
+  %51 = getelementptr inbounds i8, ptr %48, i64 2
+  %52 = load i8, ptr %51, align 1
+  %53 = sext i8 %52 to i32
+  %54 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringFromRune"(i32 %53)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %54)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %49 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %50 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %49, i32 0, i32 0
-  store ptr @0, ptr %50, align 8
-  %51 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %49, i32 0, i32 1
-  store i64 6, ptr %51, align 4
-  %52 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %49, align 8
-  %53 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %52, 0
-  %54 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %52, 1
-  %55 = icmp sge i64 2, %54
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %55)
-  %56 = getelementptr inbounds i8, ptr %53, i64 2
-  %57 = load i8, ptr %56, align 1
-  %58 = sext i8 %57 to i32
-  %59 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringFromRune"(i32 %58)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %59)
+  %55 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %56 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %55, i32 0, i32 0
+  store ptr @0, ptr %56, align 8
+  %57 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %55, i32 0, i32 1
+  store i64 6, ptr %57, align 4
+  %58 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %55, align 8
+  %59 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %58, 0
+  %60 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %58, 1
+  %61 = icmp sge i64 1, %60
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %61)
+  %62 = getelementptr inbounds i8, ptr %59, i64 1
+  %63 = load i8, ptr %62, align 1
+  %64 = sext i8 %63 to i32
+  %65 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringFromRune"(i32 %64)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %65)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %60 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %61 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %60, i32 0, i32 0
-  store ptr @0, ptr %61, align 8
-  %62 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %60, i32 0, i32 1
-  store i64 6, ptr %62, align 4
-  %63 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %60, align 8
-  %64 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %63, 0
-  %65 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %63, 1
-  %66 = icmp sge i64 1, %65
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %66)
-  %67 = getelementptr inbounds i8, ptr %64, i64 1
-  %68 = load i8, ptr %67, align 1
-  %69 = sext i8 %68 to i32
-  %70 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringFromRune"(i32 %69)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %70)
+  %66 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 16)
+  %67 = getelementptr inbounds i64, ptr %66, i64 0
+  %68 = getelementptr inbounds i64, ptr %66, i64 1
+  store i64 1, ptr %67, align 4
+  store i64 2, ptr %68, align 4
+  %69 = getelementptr inbounds i64, ptr %66, i64 1
+  %70 = load i64, ptr %69, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %70)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %71 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 16)
+  %71 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 32)
  %72 = getelementptr inbounds i64, ptr %71, i64 0
-  %73 = getelementptr inbounds i64, ptr %71, i64 1
  store i64 1, ptr %72, align 4
+  %73 = getelementptr inbounds i64, ptr %71, i64 1
  store i64 2, ptr %73, align 4
-  %74 = getelementptr inbounds i64, ptr %71, i64 1
-  %75 = load i64, ptr %74, align 4
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %75)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %76 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 32)
-  %77 = getelementptr inbounds i64, ptr %76, i64 0
-  store i64 1, ptr %77, align 4
-  %78 = getelementptr inbounds i64, ptr %76, i64 1
-  store i64 2, ptr %78, align 4
-  %79 = getelementptr inbounds i64, ptr %76, i64 2
-  store i64 3, ptr %79, align 4
-  %80 = getelementptr inbounds i64, ptr %76, i64 3
-  store i64 4, ptr %80, align 4
-  %81 = alloca %"github.com/goplus/llgo/internal/runtime.Slice", align 8
-  %82 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %81, i32 0, i32 0
-  store ptr %76, ptr %82, align 8
-  %83 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %81, i32 0, i32 1
-  store i64 4, ptr %83, align 4
-  %84 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %81, i32 0, i32 2
-  store i64 4, ptr %84, align 4
-  %85 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %81, align 8
-  %86 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %85, 0
-  %87 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %85, 1
-  %88 = icmp sge i64 1, %87
-  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %88)
-  %89 = getelementptr inbounds i64, ptr %86, i64 1
-  %90 = load i64, ptr %89, align 4
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %90)
+  %74 = getelementptr inbounds i64, ptr %71, i64 2
+  store i64 3, ptr %74, align 4
+  %75 = getelementptr inbounds i64, ptr %71, i64 3
+  store i64 4, ptr %75, align 4
+  %76 = alloca %"github.com/goplus/llgo/internal/runtime.Slice", align 8
+  %77 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %76, i32 0, i32 0
+  store ptr %71, ptr %77, align 8
+  %78 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %76, i32 0, i32 1
+  store i64 4, ptr %78, align 4
+  %79 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %76, i32 0, i32 2
+  store i64 4, ptr %79, align 4
+  %80 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %76, align 8
+  %81 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %80, 0
+  %82 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %80, 1
+  %83 = icmp sge i64 1, %82
+  call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %83)
+  %84 = getelementptr inbounds i64, ptr %81, i64 1
+  %85 = load i64, ptr %84, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %85)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 0)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
@@ -176,7 +176,8 @@ _llgo_0:

 declare void @"github.com/goplus/llgo/internal/runtime.init"()

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64)

@@ -189,3 +190,5 @@ declare %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/ll
 declare void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String")

 declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/makemap/out.ll
+++ b/cl/_testrt/makemap/out.ll
@@ -453,37 +453,228 @@ _llgo_0:
  %9 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
  %10 = call ptr @"github.com/goplus/llgo/internal/runtime.MakeMap"(ptr %9, i64 0)
  %11 = alloca [1 x i64], align 8
-  %12 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %11, i64 8)
-  %13 = getelementptr inbounds i64, ptr %12, i64 0
-  store i64 1, ptr %13, align 4
-  %14 = load [1 x i64], ptr %12, align 4
-  %15 = load ptr, ptr @_llgo_main.N1, align 8
-  %16 = extractvalue [1 x i64] %14, 0
-  %17 = inttoptr i64 %16 to ptr
+  call void @llvm.memset(ptr %11, i8 0, i64 8, i1 false)
+  %12 = getelementptr inbounds i64, ptr %11, i64 0
+  store i64 1, ptr %12, align 4
+  %13 = load [1 x i64], ptr %11, align 4
+  %14 = load ptr, ptr @_llgo_main.N1, align 8
+  %15 = extractvalue [1 x i64] %13, 0
+  %16 = inttoptr i64 %15 to ptr
+  %17 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %18 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %17, i32 0, i32 0
+  store ptr %14, ptr %18, align 8
+  %19 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %17, i32 0, i32 1
+  store ptr %16, ptr %19, align 8
+  %20 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %17, align 8
+  %21 = load ptr, ptr @_llgo_any, align 8
+  %22 = load ptr, ptr @_llgo_int, align 8
+  %23 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %24 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.eface" %20, ptr %24, align 8
+  %25 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %23, ptr %10, ptr %24)
+  store i64 100, ptr %25, align 4
+  %26 = alloca [1 x i64], align 8
+  call void @llvm.memset(ptr %26, i8 0, i64 8, i1 false)
+  %27 = getelementptr inbounds i64, ptr %26, i64 0
+  store i64 2, ptr %27, align 4
+  %28 = load [1 x i64], ptr %26, align 4
+  %29 = load ptr, ptr @_llgo_main.N1, align 8
+  %30 = extractvalue [1 x i64] %28, 0
+  %31 = inttoptr i64 %30 to ptr
+  %32 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %33 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %32, i32 0, i32 0
+  store ptr %29, ptr %33, align 8
+  %34 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %32, i32 0, i32 1
+  store ptr %31, ptr %34, align 8
+  %35 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %32, align 8
+  %36 = load ptr, ptr @_llgo_any, align 8
+  %37 = load ptr, ptr @_llgo_int, align 8
+  %38 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %39 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.eface" %35, ptr %39, align 8
+  %40 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %38, ptr %10, ptr %39)
+  store i64 200, ptr %40, align 4
+  %41 = alloca [1 x i64], align 8
+  call void @llvm.memset(ptr %41, i8 0, i64 8, i1 false)
+  %42 = getelementptr inbounds i64, ptr %41, i64 0
+  store i64 3, ptr %42, align 4
+  %43 = load [1 x i64], ptr %41, align 4
+  %44 = load ptr, ptr @_llgo_main.N1, align 8
+  %45 = extractvalue [1 x i64] %43, 0
+  %46 = inttoptr i64 %45 to ptr
+  %47 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %48 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %47, i32 0, i32 0
+  store ptr %44, ptr %48, align 8
+  %49 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %47, i32 0, i32 1
+  store ptr %46, ptr %49, align 8
+  %50 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %47, align 8
+  %51 = load ptr, ptr @_llgo_any, align 8
+  %52 = load ptr, ptr @_llgo_int, align 8
+  %53 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %54 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.eface" %50, ptr %54, align 8
+  %55 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %53, ptr %10, ptr %54)
+  store i64 300, ptr %55, align 4
+  %56 = alloca [1 x i64], align 8
+  call void @llvm.memset(ptr %56, i8 0, i64 8, i1 false)
+  %57 = getelementptr inbounds i64, ptr %56, i64 0
+  store i64 2, ptr %57, align 4
+  %58 = load [1 x i64], ptr %56, align 4
+  %59 = load ptr, ptr @_llgo_main.N1, align 8
+  %60 = extractvalue [1 x i64] %58, 0
+  %61 = inttoptr i64 %60 to ptr
+  %62 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %63 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %62, i32 0, i32 0
+  store ptr %59, ptr %63, align 8
+  %64 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %62, i32 0, i32 1
+  store ptr %61, ptr %64, align 8
+  %65 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %62, align 8
+  %66 = load ptr, ptr @_llgo_any, align 8
+  %67 = load ptr, ptr @_llgo_int, align 8
+  %68 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %69 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.eface" %65, ptr %69, align 8
+  %70 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %68, ptr %10, ptr %69)
+  store i64 -200, ptr %70, align 4
+  %71 = load ptr, ptr @_llgo_any, align 8
+  %72 = load ptr, ptr @_llgo_int, align 8
+  %73 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %74 = call ptr @"github.com/goplus/llgo/internal/runtime.NewMapIter"(ptr %73, ptr %10)
+  br label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_7, %_llgo_0
+  %75 = call { i1, ptr, ptr } @"github.com/goplus/llgo/internal/runtime.MapIterNext"(ptr %74)
+  %76 = extractvalue { i1, ptr, ptr } %75, 0
+  br i1 %76, label %_llgo_4, label %_llgo_5
+
+_llgo_2:                                          ; preds = %_llgo_6
+  %77 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %96, 1
+  %78 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %96, 2
+  %79 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %77, 0
+  %80 = load ptr, ptr @_llgo_main.N1, align 8
+  %81 = icmp eq ptr %79, %80
+  br i1 %81, label %_llgo_7, label %_llgo_8
+
+_llgo_3:                                          ; preds = %_llgo_6
+  ret void
+
+_llgo_4:                                          ; preds = %_llgo_1
+  %82 = extractvalue { i1, ptr, ptr } %75, 1
+  %83 = extractvalue { i1, ptr, ptr } %75, 2
+  %84 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %82, align 8
+  %85 = load i64, ptr %83, align 4
+  %86 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
+  %87 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %86, i32 0, i32 0
+  store i1 true, ptr %87, align 1
+  %88 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %86, i32 0, i32 1
+  store %"github.com/goplus/llgo/internal/runtime.eface" %84, ptr %88, align 8
+  %89 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %86, i32 0, i32 2
+  store i64 %85, ptr %89, align 4
+  %90 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %86, align 8
+  br label %_llgo_6
+
+_llgo_5:                                          ; preds = %_llgo_1
+  %91 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
+  %92 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %91, i32 0, i32 0
+  store i1 false, ptr %92, align 1
+  %93 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %91, i32 0, i32 1
+  store %"github.com/goplus/llgo/internal/runtime.eface" zeroinitializer, ptr %93, align 8
+  %94 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %91, i32 0, i32 2
+  store i64 0, ptr %94, align 4
+  %95 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %91, align 8
+  br label %_llgo_6
+
+_llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
+  %96 = phi { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } [ %90, %_llgo_4 ], [ %95, %_llgo_5 ]
+  %97 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %96, 0
+  br i1 %97, label %_llgo_2, label %_llgo_3
+
+_llgo_7:                                          ; preds = %_llgo_2
+  %98 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %77, 1
+  %99 = ptrtoint ptr %98 to i64
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %99)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %78)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  br label %_llgo_1
+
+_llgo_8:                                          ; preds = %_llgo_2
+  %100 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %101 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %100, i32 0, i32 0
+  store ptr @13, ptr %101, align 8
+  %102 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %100, i32 0, i32 1
+  store i64 21, ptr %102, align 4
+  %103 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %100, align 8
+  %104 = load ptr, ptr @_llgo_string, align 8
+  %105 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %103, ptr %105, align 8
+  %106 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %107 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %106, i32 0, i32 0
+  store ptr %104, ptr %107, align 8
+  %108 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %106, i32 0, i32 1
+  store ptr %105, ptr %108, align 8
+  %109 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %106, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %109)
+  unreachable
+}
+
+define void @main.make3() {
+_llgo_0:
+  %0 = alloca [1 x %main.N], align 8
+  call void @llvm.memset(ptr %0, i8 0, i64 2, i1 false)
+  %1 = getelementptr inbounds %main.N, ptr %0, i64 0
+  %2 = getelementptr inbounds %main.N, ptr %1, i32 0, i32 0
+  %3 = getelementptr inbounds %main.N, ptr %1, i32 0, i32 1
+  store i8 1, ptr %2, align 1
+  store i8 2, ptr %3, align 1
+  %4 = load [1 x %main.N], ptr %0, align 1
+  %5 = load ptr, ptr @_llgo_main.K, align 8
+  %6 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
+  store [1 x %main.N] %4, ptr %6, align 1
+  %7 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, i32 0, i32 0
+  store ptr %5, ptr %8, align 8
+  %9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, i32 0, i32 1
+  store ptr %6, ptr %9, align 8
+  %10 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, align 8
+  %11 = alloca [1 x %main.N], align 8
+  call void @llvm.memset(ptr %11, i8 0, i64 2, i1 false)
+  %12 = getelementptr inbounds %main.N, ptr %11, i64 0
+  %13 = getelementptr inbounds %main.N, ptr %12, i32 0, i32 0
+  %14 = getelementptr inbounds %main.N, ptr %12, i32 0, i32 1
+  store i8 1, ptr %13, align 1
+  store i8 2, ptr %14, align 1
+  %15 = load [1 x %main.N], ptr %11, align 1
+  %16 = load ptr, ptr @_llgo_main.K, align 8
+  %17 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
+  store [1 x %main.N] %15, ptr %17, align 1
  %18 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %19 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %18, i32 0, i32 0
-  store ptr %15, ptr %19, align 8
+  store ptr %16, ptr %19, align 8
  %20 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %18, i32 0, i32 1
  store ptr %17, ptr %20, align 8
  %21 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %18, align 8
-  %22 = load ptr, ptr @_llgo_any, align 8
-  %23 = load ptr, ptr @_llgo_int, align 8
-  %24 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %25 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.eface" %21, ptr %25, align 8
-  %26 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %24, ptr %10, ptr %25)
-  store i64 100, ptr %26, align 4
-  %27 = alloca [1 x i64], align 8
-  %28 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %27, i64 8)
-  %29 = getelementptr inbounds i64, ptr %28, i64 0
-  store i64 2, ptr %29, align 4
-  %30 = load [1 x i64], ptr %28, align 4
-  %31 = load ptr, ptr @_llgo_main.N1, align 8
-  %32 = extractvalue [1 x i64] %30, 0
-  %33 = inttoptr i64 %32 to ptr
+  %22 = call i1 @"github.com/goplus/llgo/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/internal/runtime.eface" %10, %"github.com/goplus/llgo/internal/runtime.eface" %21)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %22)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  %23 = load ptr, ptr @_llgo_any, align 8
+  %24 = load ptr, ptr @_llgo_int, align 8
+  %25 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %26 = call ptr @"github.com/goplus/llgo/internal/runtime.MakeMap"(ptr %25, i64 0)
+  %27 = alloca [1 x %main.N], align 8
+  call void @llvm.memset(ptr %27, i8 0, i64 2, i1 false)
+  %28 = getelementptr inbounds %main.N, ptr %27, i64 0
+  %29 = getelementptr inbounds %main.N, ptr %28, i32 0, i32 0
+  %30 = getelementptr inbounds %main.N, ptr %28, i32 0, i32 1
+  store i8 1, ptr %29, align 1
+  store i8 2, ptr %30, align 1
+  %31 = load [1 x %main.N], ptr %27, align 1
+  %32 = load ptr, ptr @_llgo_main.K, align 8
+  %33 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
+  store [1 x %main.N] %31, ptr %33, align 1
  %34 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %35 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %34, i32 0, i32 0
-  store ptr %31, ptr %35, align 8
+  store ptr %32, ptr %35, align 8
  %36 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %34, i32 0, i32 1
  store ptr %33, ptr %36, align 8
  %37 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %34, align 8
@@ -492,19 +683,22 @@ _llgo_0:
  %40 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
  %41 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
  store %"github.com/goplus/llgo/internal/runtime.eface" %37, ptr %41, align 8
-  %42 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %40, ptr %10, ptr %41)
-  store i64 200, ptr %42, align 4
-  %43 = alloca [1 x i64], align 8
-  %44 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %43, i64 8)
-  %45 = getelementptr inbounds i64, ptr %44, i64 0
-  store i64 3, ptr %45, align 4
-  %46 = load [1 x i64], ptr %44, align 4
-  %47 = load ptr, ptr @_llgo_main.N1, align 8
-  %48 = extractvalue [1 x i64] %46, 0
-  %49 = inttoptr i64 %48 to ptr
+  %42 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %40, ptr %26, ptr %41)
+  store i64 100, ptr %42, align 4
+  %43 = alloca [1 x %main.N], align 8
+  call void @llvm.memset(ptr %43, i8 0, i64 2, i1 false)
+  %44 = getelementptr inbounds %main.N, ptr %43, i64 0
+  %45 = getelementptr inbounds %main.N, ptr %44, i32 0, i32 0
+  %46 = getelementptr inbounds %main.N, ptr %44, i32 0, i32 1
+  store i8 3, ptr %45, align 1
+  store i8 4, ptr %46, align 1
+  %47 = load [1 x %main.N], ptr %43, align 1
+  %48 = load ptr, ptr @_llgo_main.K, align 8
+  %49 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
+  store [1 x %main.N] %47, ptr %49, align 1
  %50 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %51 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, i32 0, i32 0
-  store ptr %47, ptr %51, align 8
+  store ptr %48, ptr %51, align 8
  %52 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, i32 0, i32 1
  store ptr %49, ptr %52, align 8
  %53 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, align 8
@@ -513,141 +707,129 @@ _llgo_0:
  %56 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
  %57 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
  store %"github.com/goplus/llgo/internal/runtime.eface" %53, ptr %57, align 8
-  %58 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %56, ptr %10, ptr %57)
-  store i64 300, ptr %58, align 4
-  %59 = alloca [1 x i64], align 8
-  %60 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %59, i64 8)
-  %61 = getelementptr inbounds i64, ptr %60, i64 0
-  store i64 2, ptr %61, align 4
-  %62 = load [1 x i64], ptr %60, align 4
-  %63 = load ptr, ptr @_llgo_main.N1, align 8
-  %64 = extractvalue [1 x i64] %62, 0
-  %65 = inttoptr i64 %64 to ptr
-  %66 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %67 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %66, i32 0, i32 0
-  store ptr %63, ptr %67, align 8
-  %68 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %66, i32 0, i32 1
-  store ptr %65, ptr %68, align 8
-  %69 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %66, align 8
-  %70 = load ptr, ptr @_llgo_any, align 8
-  %71 = load ptr, ptr @_llgo_int, align 8
-  %72 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %73 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.eface" %69, ptr %73, align 8
-  %74 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %72, ptr %10, ptr %73)
-  store i64 -200, ptr %74, align 4
-  %75 = load ptr, ptr @_llgo_any, align 8
-  %76 = load ptr, ptr @_llgo_int, align 8
-  %77 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %78 = call ptr @"github.com/goplus/llgo/internal/runtime.NewMapIter"(ptr %77, ptr %10)
+  %58 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %56, ptr %26, ptr %57)
+  store i64 200, ptr %58, align 4
+  %59 = load ptr, ptr @_llgo_any, align 8
+  %60 = load ptr, ptr @_llgo_int, align 8
+  %61 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
+  %62 = call ptr @"github.com/goplus/llgo/internal/runtime.NewMapIter"(ptr %61, ptr %26)
  br label %_llgo_1

 _llgo_1:                                          ; preds = %_llgo_7, %_llgo_0
-  %79 = call { i1, ptr, ptr } @"github.com/goplus/llgo/internal/runtime.MapIterNext"(ptr %78)
-  %80 = extractvalue { i1, ptr, ptr } %79, 0
-  br i1 %80, label %_llgo_4, label %_llgo_5
+  %63 = call { i1, ptr, ptr } @"github.com/goplus/llgo/internal/runtime.MapIterNext"(ptr %62)
+  %64 = extractvalue { i1, ptr, ptr } %63, 0
+  br i1 %64, label %_llgo_4, label %_llgo_5

 _llgo_2:                                          ; preds = %_llgo_6
-  %81 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %100, 1
-  %82 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %100, 2
-  %83 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %81, 0
-  %84 = load ptr, ptr @_llgo_main.N1, align 8
-  %85 = icmp eq ptr %83, %84
-  br i1 %85, label %_llgo_7, label %_llgo_8
+  %65 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %84, 1
+  %66 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %84, 2
+  %67 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %65, 0
+  %68 = load ptr, ptr @_llgo_main.K, align 8
+  %69 = icmp eq ptr %67, %68
+  br i1 %69, label %_llgo_7, label %_llgo_8

 _llgo_3:                                          ; preds = %_llgo_6
  ret void

 _llgo_4:                                          ; preds = %_llgo_1
-  %86 = extractvalue { i1, ptr, ptr } %79, 1
-  %87 = extractvalue { i1, ptr, ptr } %79, 2
-  %88 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %86, align 8
-  %89 = load i64, ptr %87, align 4
-  %90 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
-  %91 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %90, i32 0, i32 0
-  store i1 true, ptr %91, align 1
-  %92 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %90, i32 0, i32 1
-  store %"github.com/goplus/llgo/internal/runtime.eface" %88, ptr %92, align 8
-  %93 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %90, i32 0, i32 2
-  store i64 %89, ptr %93, align 4
-  %94 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %90, align 8
+  %70 = extractvalue { i1, ptr, ptr } %63, 1
+  %71 = extractvalue { i1, ptr, ptr } %63, 2
+  %72 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %70, align 8
+  %73 = load i64, ptr %71, align 4
+  %74 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
+  %75 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %74, i32 0, i32 0
+  store i1 true, ptr %75, align 1
+  %76 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %74, i32 0, i32 1
+  store %"github.com/goplus/llgo/internal/runtime.eface" %72, ptr %76, align 8
+  %77 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %74, i32 0, i32 2
+  store i64 %73, ptr %77, align 4
+  %78 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %74, align 8
  br label %_llgo_6

 _llgo_5:                                          ; preds = %_llgo_1
-  %95 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
-  %96 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %95, i32 0, i32 0
-  store i1 false, ptr %96, align 1
-  %97 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %95, i32 0, i32 1
-  store %"github.com/goplus/llgo/internal/runtime.eface" zeroinitializer, ptr %97, align 8
-  %98 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %95, i32 0, i32 2
-  store i64 0, ptr %98, align 4
-  %99 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %95, align 8
+  %79 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
+  %80 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %79, i32 0, i32 0
+  store i1 false, ptr %80, align 1
+  %81 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %79, i32 0, i32 1
+  store %"github.com/goplus/llgo/internal/runtime.eface" zeroinitializer, ptr %81, align 8
+  %82 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %79, i32 0, i32 2
+  store i64 0, ptr %82, align 4
+  %83 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %79, align 8
  br label %_llgo_6

 _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
-  %100 = phi { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } [ %94, %_llgo_4 ], [ %99, %_llgo_5 ]
-  %101 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %100, 0
-  br i1 %101, label %_llgo_2, label %_llgo_3
+  %84 = phi { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } [ %78, %_llgo_4 ], [ %83, %_llgo_5 ]
+  %85 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %84, 0
+  br i1 %85, label %_llgo_2, label %_llgo_3

 _llgo_7:                                          ; preds = %_llgo_2
-  %102 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %81, 1
-  %103 = ptrtoint ptr %102 to i64
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %103)
+  %86 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %65, 1
+  %87 = load [1 x %main.N], ptr %86, align 1
+  %88 = alloca [1 x %main.N], align 8
+  call void @llvm.memset(ptr %88, i8 0, i64 2, i1 false)
+  store [1 x %main.N] %87, ptr %88, align 1
+  %89 = getelementptr inbounds %main.N, ptr %88, i64 0
+  %90 = load %main.N, ptr %89, align 1
+  %91 = extractvalue %main.N %90, 0
+  %92 = sext i8 %91 to i64
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %92)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %82)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %66)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  br label %_llgo_1

 _llgo_8:                                          ; preds = %_llgo_2
-  %104 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %105 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %104, i32 0, i32 0
-  store ptr @13, ptr %105, align 8
-  %106 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %104, i32 0, i32 1
-  store i64 21, ptr %106, align 4
-  %107 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %104, align 8
-  %108 = load ptr, ptr @_llgo_string, align 8
-  %109 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %107, ptr %109, align 8
-  %110 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %111 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %110, i32 0, i32 0
-  store ptr %108, ptr %111, align 8
-  %112 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %110, i32 0, i32 1
-  store ptr %109, ptr %112, align 8
-  %113 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %110, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %113)
+  %93 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %94 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %93, i32 0, i32 0
+  store ptr @13, ptr %94, align 8
+  %95 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %93, i32 0, i32 1
+  store i64 21, ptr %95, align 4
+  %96 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %93, align 8
+  %97 = load ptr, ptr @_llgo_string, align 8
+  %98 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %96, ptr %98, align 8
+  %99 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %100 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %99, i32 0, i32 0
+  store ptr %97, ptr %100, align 8
+  %101 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %99, i32 0, i32 1
+  store ptr %98, ptr %101, align 8
+  %102 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %99, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %102)
  unreachable
 }

-define void @main.make3() {
+define void @main.make4() {
 _llgo_0:
-  %0 = alloca [1 x %main.N], align 8
-  %1 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %0, i64 2)
-  %2 = getelementptr inbounds %main.N, ptr %1, i64 0
+  %0 = alloca [1 x ptr], align 8
+  call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
+  %1 = getelementptr inbounds ptr, ptr %0, i64 0
+  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
  %3 = getelementptr inbounds %main.N, ptr %2, i32 0, i32 0
  %4 = getelementptr inbounds %main.N, ptr %2, i32 0, i32 1
  store i8 1, ptr %3, align 1
  store i8 2, ptr %4, align 1
-  %5 = load [1 x %main.N], ptr %1, align 1
-  %6 = load ptr, ptr @_llgo_main.K, align 8
-  %7 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
-  store [1 x %main.N] %5, ptr %7, align 1
+  store ptr %2, ptr %1, align 8
+  %5 = load [1 x ptr], ptr %0, align 8
+  %6 = load ptr, ptr @_llgo_main.K2, align 8
+  %7 = extractvalue [1 x ptr] %5, 0
  %8 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %8, i32 0, i32 0
  store ptr %6, ptr %9, align 8
  %10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %8, i32 0, i32 1
  store ptr %7, ptr %10, align 8
  %11 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %8, align 8
-  %12 = alloca [1 x %main.N], align 8
-  %13 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %12, i64 2)
-  %14 = getelementptr inbounds %main.N, ptr %13, i64 0
+  %12 = alloca [1 x ptr], align 8
+  call void @llvm.memset(ptr %12, i8 0, i64 8, i1 false)
+  %13 = getelementptr inbounds ptr, ptr %12, i64 0
+  %14 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
  %15 = getelementptr inbounds %main.N, ptr %14, i32 0, i32 0
  %16 = getelementptr inbounds %main.N, ptr %14, i32 0, i32 1
  store i8 1, ptr %15, align 1
  store i8 2, ptr %16, align 1
-  %17 = load [1 x %main.N], ptr %13, align 1
-  %18 = load ptr, ptr @_llgo_main.K, align 8
-  %19 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
-  store [1 x %main.N] %17, ptr %19, align 1
+  store ptr %14, ptr %13, align 8
+  %17 = load [1 x ptr], ptr %12, align 8
+  %18 = load ptr, ptr @_llgo_main.K2, align 8
+  %19 = extractvalue [1 x ptr] %17, 0
  %20 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %21 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %20, i32 0, i32 0
  store ptr %18, ptr %21, align 8
@@ -661,17 +843,18 @@ _llgo_0:
  %26 = load ptr, ptr @_llgo_int, align 8
  %27 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
  %28 = call ptr @"github.com/goplus/llgo/internal/runtime.MakeMap"(ptr %27, i64 0)
-  %29 = alloca [1 x %main.N], align 8
-  %30 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %29, i64 2)
-  %31 = getelementptr inbounds %main.N, ptr %30, i64 0
+  %29 = alloca [1 x ptr], align 8
+  call void @llvm.memset(ptr %29, i8 0, i64 8, i1 false)
+  %30 = getelementptr inbounds ptr, ptr %29, i64 0
+  %31 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
  %32 = getelementptr inbounds %main.N, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds %main.N, ptr %31, i32 0, i32 1
  store i8 1, ptr %32, align 1
  store i8 2, ptr %33, align 1
-  %34 = load [1 x %main.N], ptr %30, align 1
-  %35 = load ptr, ptr @_llgo_main.K, align 8
-  %36 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
-  store [1 x %main.N] %34, ptr %36, align 1
+  store ptr %31, ptr %30, align 8
+  %34 = load [1 x ptr], ptr %29, align 8
+  %35 = load ptr, ptr @_llgo_main.K2, align 8
+  %36 = extractvalue [1 x ptr] %34, 0
  %37 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %38 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %37, i32 0, i32 0
  store ptr %35, ptr %38, align 8
@@ -685,17 +868,18 @@ _llgo_0:
  store %"github.com/goplus/llgo/internal/runtime.eface" %40, ptr %44, align 8
  %45 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %43, ptr %28, ptr %44)
  store i64 100, ptr %45, align 4
-  %46 = alloca [1 x %main.N], align 8
-  %47 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %46, i64 2)
-  %48 = getelementptr inbounds %main.N, ptr %47, i64 0
+  %46 = alloca [1 x ptr], align 8
+  call void @llvm.memset(ptr %46, i8 0, i64 8, i1 false)
+  %47 = getelementptr inbounds ptr, ptr %46, i64 0
+  %48 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
  %49 = getelementptr inbounds %main.N, ptr %48, i32 0, i32 0
  %50 = getelementptr inbounds %main.N, ptr %48, i32 0, i32 1
  store i8 3, ptr %49, align 1
  store i8 4, ptr %50, align 1
-  %51 = load [1 x %main.N], ptr %47, align 1
-  %52 = load ptr, ptr @_llgo_main.K, align 8
-  %53 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 2)
-  store [1 x %main.N] %51, ptr %53, align 1
+  store ptr %48, ptr %47, align 8
+  %51 = load [1 x ptr], ptr %46, align 8
+  %52 = load ptr, ptr @_llgo_main.K2, align 8
+  %53 = extractvalue [1 x ptr] %51, 0
  %54 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
  %55 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %54, i32 0, i32 0
  store ptr %52, ptr %55, align 8
@@ -724,7 +908,7 @@ _llgo_2:                                          ; preds = %_llgo_6
  %69 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %88, 1
  %70 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %88, 2
  %71 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %69, 0
-  %72 = load ptr, ptr @_llgo_main.K, align 8
+  %72 = load ptr, ptr @_llgo_main.K2, align 8
  %73 = icmp eq ptr %71, %72
  br i1 %73, label %_llgo_7, label %_llgo_8

@@ -764,216 +948,32 @@ _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4

 _llgo_7:                                          ; preds = %_llgo_2
  %90 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %69, 1
-  %91 = load [1 x %main.N], ptr %90, align 1
-  %92 = alloca [1 x %main.N], align 8
-  %93 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %92, i64 2)
-  store [1 x %main.N] %91, ptr %93, align 1
-  %94 = getelementptr inbounds %main.N, ptr %93, i64 0
-  %95 = load %main.N, ptr %94, align 1
-  %96 = extractvalue %main.N %95, 0
-  %97 = sext i8 %96 to i64
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %97)
+  %91 = getelementptr inbounds %main.N, ptr %90, i32 0, i32 0
+  %92 = load i8, ptr %91, align 1
+  %93 = sext i8 %92 to i64
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %93)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %70)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  br label %_llgo_1

 _llgo_8:                                          ; preds = %_llgo_2
-  %98 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %99 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %98, i32 0, i32 0
-  store ptr @13, ptr %99, align 8
-  %100 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %98, i32 0, i32 1
-  store i64 21, ptr %100, align 4
-  %101 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %98, align 8
-  %102 = load ptr, ptr @_llgo_string, align 8
-  %103 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %101, ptr %103, align 8
-  %104 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %105 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, i32 0, i32 0
-  store ptr %102, ptr %105, align 8
-  %106 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, i32 0, i32 1
-  store ptr %103, ptr %106, align 8
-  %107 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %107)
-  unreachable
-}
-
-define void @main.make4() {
-_llgo_0:
-  %0 = alloca [1 x ptr], align 8
-  %1 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %0, i64 8)
-  %2 = getelementptr inbounds ptr, ptr %1, i64 0
-  %3 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
-  %4 = getelementptr inbounds %main.N, ptr %3, i32 0, i32 0
-  %5 = getelementptr inbounds %main.N, ptr %3, i32 0, i32 1
-  store i8 1, ptr %4, align 1
-  store i8 2, ptr %5, align 1
-  store ptr %3, ptr %2, align 8
-  %6 = load [1 x ptr], ptr %1, align 8
-  %7 = load ptr, ptr @_llgo_main.K2, align 8
-  %8 = extractvalue [1 x ptr] %6, 0
-  %9 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %9, i32 0, i32 0
-  store ptr %7, ptr %10, align 8
-  %11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %9, i32 0, i32 1
-  store ptr %8, ptr %11, align 8
-  %12 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %9, align 8
-  %13 = alloca [1 x ptr], align 8
-  %14 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %13, i64 8)
-  %15 = getelementptr inbounds ptr, ptr %14, i64 0
-  %16 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
-  %17 = getelementptr inbounds %main.N, ptr %16, i32 0, i32 0
-  %18 = getelementptr inbounds %main.N, ptr %16, i32 0, i32 1
-  store i8 1, ptr %17, align 1
-  store i8 2, ptr %18, align 1
-  store ptr %16, ptr %15, align 8
-  %19 = load [1 x ptr], ptr %14, align 8
-  %20 = load ptr, ptr @_llgo_main.K2, align 8
-  %21 = extractvalue [1 x ptr] %19, 0
-  %22 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %23 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %22, i32 0, i32 0
-  store ptr %20, ptr %23, align 8
-  %24 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %22, i32 0, i32 1
-  store ptr %21, ptr %24, align 8
-  %25 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %22, align 8
-  %26 = call i1 @"github.com/goplus/llgo/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/internal/runtime.eface" %12, %"github.com/goplus/llgo/internal/runtime.eface" %25)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %26)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %27 = load ptr, ptr @_llgo_any, align 8
-  %28 = load ptr, ptr @_llgo_int, align 8
-  %29 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %30 = call ptr @"github.com/goplus/llgo/internal/runtime.MakeMap"(ptr %29, i64 0)
-  %31 = alloca [1 x ptr], align 8
-  %32 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %31, i64 8)
-  %33 = getelementptr inbounds ptr, ptr %32, i64 0
-  %34 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
-  %35 = getelementptr inbounds %main.N, ptr %34, i32 0, i32 0
-  %36 = getelementptr inbounds %main.N, ptr %34, i32 0, i32 1
-  store i8 1, ptr %35, align 1
-  store i8 2, ptr %36, align 1
-  store ptr %34, ptr %33, align 8
-  %37 = load [1 x ptr], ptr %32, align 8
-  %38 = load ptr, ptr @_llgo_main.K2, align 8
-  %39 = extractvalue [1 x ptr] %37, 0
-  %40 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %41 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %40, i32 0, i32 0
-  store ptr %38, ptr %41, align 8
-  %42 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %40, i32 0, i32 1
-  store ptr %39, ptr %42, align 8
-  %43 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %40, align 8
-  %44 = load ptr, ptr @_llgo_any, align 8
-  %45 = load ptr, ptr @_llgo_int, align 8
-  %46 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %47 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.eface" %43, ptr %47, align 8
-  %48 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %46, ptr %30, ptr %47)
-  store i64 100, ptr %48, align 4
-  %49 = alloca [1 x ptr], align 8
-  %50 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %49, i64 8)
-  %51 = getelementptr inbounds ptr, ptr %50, i64 0
-  %52 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 2)
-  %53 = getelementptr inbounds %main.N, ptr %52, i32 0, i32 0
-  %54 = getelementptr inbounds %main.N, ptr %52, i32 0, i32 1
-  store i8 3, ptr %53, align 1
-  store i8 4, ptr %54, align 1
-  store ptr %52, ptr %51, align 8
-  %55 = load [1 x ptr], ptr %50, align 8
-  %56 = load ptr, ptr @_llgo_main.K2, align 8
-  %57 = extractvalue [1 x ptr] %55, 0
-  %58 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %59 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %58, i32 0, i32 0
-  store ptr %56, ptr %59, align 8
-  %60 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %58, i32 0, i32 1
-  store ptr %57, ptr %60, align 8
-  %61 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %58, align 8
-  %62 = load ptr, ptr @_llgo_any, align 8
-  %63 = load ptr, ptr @_llgo_int, align 8
-  %64 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %65 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.eface" %61, ptr %65, align 8
-  %66 = call ptr @"github.com/goplus/llgo/internal/runtime.MapAssign"(ptr %64, ptr %30, ptr %65)
-  store i64 200, ptr %66, align 4
-  %67 = load ptr, ptr @_llgo_any, align 8
-  %68 = load ptr, ptr @_llgo_int, align 8
-  %69 = load ptr, ptr @"map[_llgo_any]_llgo_int", align 8
-  %70 = call ptr @"github.com/goplus/llgo/internal/runtime.NewMapIter"(ptr %69, ptr %30)
-  br label %_llgo_1
-
-_llgo_1:                                          ; preds = %_llgo_7, %_llgo_0
-  %71 = call { i1, ptr, ptr } @"github.com/goplus/llgo/internal/runtime.MapIterNext"(ptr %70)
-  %72 = extractvalue { i1, ptr, ptr } %71, 0
-  br i1 %72, label %_llgo_4, label %_llgo_5
-
-_llgo_2:                                          ; preds = %_llgo_6
-  %73 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %92, 1
-  %74 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %92, 2
-  %75 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %73, 0
-  %76 = load ptr, ptr @_llgo_main.K2, align 8
-  %77 = icmp eq ptr %75, %76
-  br i1 %77, label %_llgo_7, label %_llgo_8
-
-_llgo_3:                                          ; preds = %_llgo_6
-  ret void
-
-_llgo_4:                                          ; preds = %_llgo_1
-  %78 = extractvalue { i1, ptr, ptr } %71, 1
-  %79 = extractvalue { i1, ptr, ptr } %71, 2
-  %80 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %78, align 8
-  %81 = load i64, ptr %79, align 4
-  %82 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
-  %83 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %82, i32 0, i32 0
-  store i1 true, ptr %83, align 1
-  %84 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %82, i32 0, i32 1
-  store %"github.com/goplus/llgo/internal/runtime.eface" %80, ptr %84, align 8
-  %85 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %82, i32 0, i32 2
-  store i64 %81, ptr %85, align 4
-  %86 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %82, align 8
-  br label %_llgo_6
-
-_llgo_5:                                          ; preds = %_llgo_1
-  %87 = alloca { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, align 8
-  %88 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %87, i32 0, i32 0
-  store i1 false, ptr %88, align 1
-  %89 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %87, i32 0, i32 1
-  store %"github.com/goplus/llgo/internal/runtime.eface" zeroinitializer, ptr %89, align 8
-  %90 = getelementptr inbounds { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %87, i32 0, i32 2
-  store i64 0, ptr %90, align 4
-  %91 = load { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 }, ptr %87, align 8
-  br label %_llgo_6
-
-_llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
-  %92 = phi { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } [ %86, %_llgo_4 ], [ %91, %_llgo_5 ]
-  %93 = extractvalue { i1, %"github.com/goplus/llgo/internal/runtime.eface", i64 } %92, 0
-  br i1 %93, label %_llgo_2, label %_llgo_3
-
-_llgo_7:                                          ; preds = %_llgo_2
-  %94 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %73, 1
-  %95 = getelementptr inbounds %main.N, ptr %94, i32 0, i32 0
-  %96 = load i8, ptr %95, align 1
-  %97 = sext i8 %96 to i64
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %97)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %74)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  br label %_llgo_1
-
-_llgo_8:                                          ; preds = %_llgo_2
-  %98 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %99 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %98, i32 0, i32 0
-  store ptr @13, ptr %99, align 8
-  %100 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %98, i32 0, i32 1
-  store i64 21, ptr %100, align 4
-  %101 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %98, align 8
-  %102 = load ptr, ptr @_llgo_string, align 8
-  %103 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %101, ptr %103, align 8
-  %104 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %105 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, i32 0, i32 0
-  store ptr %102, ptr %105, align 8
-  %106 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, i32 0, i32 1
-  store ptr %103, ptr %106, align 8
-  %107 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %104, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %107)
+  %94 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %95 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %94, i32 0, i32 0
+  store ptr @13, ptr %95, align 8
+  %96 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %94, i32 0, i32 1
+  store i64 21, ptr %96, align 4
+  %97 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %94, align 8
+  %98 = load ptr, ptr @_llgo_string, align 8
+  %99 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %97, ptr %99, align 8
+  %100 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %101 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %100, i32 0, i32 0
+  store ptr %98, ptr %101, align 8
+  %102 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %100, i32 0, i32 1
+  store ptr %99, ptr %102, align 8
+  %103 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %100, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %103)
  unreachable
 }

@@ -2139,7 +2139,8 @@ declare void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplu

 declare ptr @"github.com/goplus/llgo/internal/runtime.Interface"(%"github.com/goplus/llgo/internal/runtime.String", %"github.com/goplus/llgo/internal/runtime.String", %"github.com/goplus/llgo/internal/runtime.Slice")

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare ptr @"github.com/goplus/llgo/internal/runtime.NewNamed"(i64, i64, i64, i64)

@@ -2154,3 +2155,5 @@ declare ptr @"github.com/goplus/llgo/internal/runtime.PointerTo"(ptr)
 declare ptr @"github.com/goplus/llgo/internal/runtime.NewChan"(i64, i64)

 declare ptr @"github.com/goplus/llgo/internal/runtime.ChanOf"(i64, %"github.com/goplus/llgo/internal/runtime.String", ptr)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/slice2array/out.ll
+++ b/cl/_testrt/slice2array/out.ll
@@ -95,21 +95,21 @@ _llgo_4:                                          ; preds = %_llgo_3, %_llgo_2
  %42 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %38, 0
  %43 = load [2 x i8], ptr %42, align 1
  %44 = alloca [2 x i8], align 1
-  %45 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %44, i64 2)
-  %46 = getelementptr inbounds i8, ptr %45, i64 0
-  %47 = getelementptr inbounds i8, ptr %45, i64 1
-  store i8 1, ptr %46, align 1
-  store i8 2, ptr %47, align 1
-  %48 = load [2 x i8], ptr %45, align 1
-  %49 = extractvalue [2 x i8] %43, 0
-  %50 = extractvalue [2 x i8] %48, 0
-  %51 = icmp eq i8 %49, %50
-  %52 = and i1 true, %51
-  %53 = extractvalue [2 x i8] %43, 1
-  %54 = extractvalue [2 x i8] %48, 1
-  %55 = icmp eq i8 %53, %54
-  %56 = and i1 %52, %55
-  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %56)
+  call void @llvm.memset(ptr %44, i8 0, i64 2, i1 false)
+  %45 = getelementptr inbounds i8, ptr %44, i64 0
+  %46 = getelementptr inbounds i8, ptr %44, i64 1
+  store i8 1, ptr %45, align 1
+  store i8 2, ptr %46, align 1
+  %47 = load [2 x i8], ptr %44, align 1
+  %48 = extractvalue [2 x i8] %43, 0
+  %49 = extractvalue [2 x i8] %47, 0
+  %50 = icmp eq i8 %48, %49
+  %51 = and i1 true, %50
+  %52 = extractvalue [2 x i8] %43, 1
+  %53 = extractvalue [2 x i8] %47, 1
+  %54 = icmp eq i8 %52, %53
+  %55 = and i1 %51, %54
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %55)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  ret i32 0
 }
@@ -124,4 +124,7 @@ declare void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1)

 declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/struct/out.ll
+++ b/cl/_testrt/struct/out.ll
@@ -11,16 +11,16 @@ source_filename = "main"
 define void @main.Foo.Print(%main.Foo %0) {
 _llgo_0:
  %1 = alloca %main.Foo, align 8
-  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %1, i64 8)
-  store %main.Foo %0, ptr %2, align 4
-  %3 = getelementptr inbounds %main.Foo, ptr %2, i32 0, i32 1
-  %4 = load i1, ptr %3, align 1
-  br i1 %4, label %_llgo_1, label %_llgo_2
+  call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
+  store %main.Foo %0, ptr %1, align 4
+  %2 = getelementptr inbounds %main.Foo, ptr %1, i32 0, i32 1
+  %3 = load i1, ptr %2, align 1
+  br i1 %3, label %_llgo_1, label %_llgo_2

 _llgo_1:                                          ; preds = %_llgo_0
-  %5 = getelementptr inbounds %main.Foo, ptr %2, i32 0, i32 0
-  %6 = load i32, ptr %5, align 4
-  call void (ptr, ...) @printf(ptr @main.format, i32 %6)
+  %4 = getelementptr inbounds %main.Foo, ptr %1, i32 0, i32 0
+  %5 = load i32, ptr %4, align 4
+  call void (ptr, ...) @printf(ptr @main.format, i32 %5)
  br label %_llgo_2

 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
@@ -65,20 +65,23 @@ _llgo_0:
  call void @"github.com/goplus/llgo/internal/runtime.init"()
  call void @main.init()
  %2 = alloca %main.Foo, align 8
-  %3 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %2, i64 8)
-  %4 = getelementptr inbounds %main.Foo, ptr %3, i32 0, i32 0
-  %5 = getelementptr inbounds %main.Foo, ptr %3, i32 0, i32 1
-  store i32 100, ptr %4, align 4
-  store i1 true, ptr %5, align 1
-  %6 = load %main.Foo, ptr %3, align 4
-  call void @main.Foo.Print(%main.Foo %6)
+  call void @llvm.memset(ptr %2, i8 0, i64 8, i1 false)
+  %3 = getelementptr inbounds %main.Foo, ptr %2, i32 0, i32 0
+  %4 = getelementptr inbounds %main.Foo, ptr %2, i32 0, i32 1
+  store i32 100, ptr %3, align 4
+  store i1 true, ptr %4, align 1
+  %5 = load %main.Foo, ptr %2, align 4
+  call void @main.Foo.Print(%main.Foo %5)
  ret i32 0
 }

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare void @printf(ptr, ...)

 declare void @syscall.init()

 declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/tpabi/out.ll
+++ b/cl/_testrt/tpabi/out.ll
@@ -50,120 +50,120 @@ _llgo_0:
  call void @"github.com/goplus/llgo/internal/runtime.init"()
  call void @main.init()
  %2 = alloca %"main.T[string,int]", align 8
-  %3 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %2, i64 24)
-  %4 = getelementptr inbounds %"main.T[string,int]", ptr %3, i32 0, i32 0
-  %5 = getelementptr inbounds %"main.T[string,int]", ptr %3, i32 0, i32 1
-  %6 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i32 0, i32 0
-  store ptr @0, ptr %7, align 8
-  %8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i32 0, i32 1
-  store i64 1, ptr %8, align 4
-  %9 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %6, align 8
-  store %"github.com/goplus/llgo/internal/runtime.String" %9, ptr %4, align 8
-  store i64 1, ptr %5, align 4
-  %10 = load %"main.T[string,int]", ptr %3, align 8
-  %11 = load ptr, ptr @"_llgo_main.T[string,int]", align 8
-  %12 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 24)
-  store %"main.T[string,int]" %10, ptr %12, align 8
-  %13 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %14 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %13, i32 0, i32 0
+  call void @llvm.memset(ptr %2, i8 0, i64 24, i1 false)
+  %3 = getelementptr inbounds %"main.T[string,int]", ptr %2, i32 0, i32 0
+  %4 = getelementptr inbounds %"main.T[string,int]", ptr %2, i32 0, i32 1
+  %5 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %6 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %5, i32 0, i32 0
+  store ptr @0, ptr %6, align 8
+  %7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %5, i32 0, i32 1
+  store i64 1, ptr %7, align 4
+  %8 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %5, align 8
+  store %"github.com/goplus/llgo/internal/runtime.String" %8, ptr %3, align 8
+  store i64 1, ptr %4, align 4
+  %9 = load %"main.T[string,int]", ptr %2, align 8
+  %10 = load ptr, ptr @"_llgo_main.T[string,int]", align 8
+  %11 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 24)
+  store %"main.T[string,int]" %9, ptr %11, align 8
+  %12 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %13 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, i32 0, i32 0
+  store ptr %10, ptr %13, align 8
+  %14 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, i32 0, i32 1
  store ptr %11, ptr %14, align 8
-  %15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %13, i32 0, i32 1
-  store ptr %12, ptr %15, align 8
-  %16 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %13, align 8
-  %17 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %16, 0
-  %18 = load ptr, ptr @"_llgo_main.T[string,int]", align 8
-  %19 = icmp eq ptr %17, %18
-  br i1 %19, label %_llgo_1, label %_llgo_2
+  %15 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, align 8
+  %16 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %15, 0
+  %17 = load ptr, ptr @"_llgo_main.T[string,int]", align 8
+  %18 = icmp eq ptr %16, %17
+  br i1 %18, label %_llgo_1, label %_llgo_2

 _llgo_1:                                          ; preds = %_llgo_0
-  %20 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %16, 1
-  %21 = load %"main.T[string,int]", ptr %20, align 8
-  %22 = extractvalue %"main.T[string,int]" %21, 0
-  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %22)
+  %19 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %15, 1
+  %20 = load %"main.T[string,int]", ptr %19, align 8
+  %21 = extractvalue %"main.T[string,int]" %20, 0
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %21)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %23 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 24)
-  %24 = getelementptr inbounds %"main.T[string,int]", ptr %23, i32 0, i32 0
-  %25 = getelementptr inbounds %"main.T[string,int]", ptr %23, i32 0, i32 1
-  %26 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %27 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %26, i32 0, i32 0
-  store ptr @8, ptr %27, align 8
-  %28 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %26, i32 0, i32 1
-  store i64 5, ptr %28, align 4
-  %29 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %26, align 8
-  store %"github.com/goplus/llgo/internal/runtime.String" %29, ptr %24, align 8
-  store i64 100, ptr %25, align 4
-  %30 = load ptr, ptr @"*_llgo_main.T[string,int]", align 8
-  %31 = load ptr, ptr @"_llgo_iface$BP0p_lUsEd-IbbtJVukGmgrdQkqzcoYzSiwgUvgFvUs", align 8
-  %32 = call ptr @"github.com/goplus/llgo/internal/runtime.NewItab"(ptr %31, ptr %30)
-  %33 = alloca %"github.com/goplus/llgo/internal/runtime.iface", align 8
-  %34 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.iface", ptr %33, i32 0, i32 0
-  store ptr %32, ptr %34, align 8
-  %35 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.iface", ptr %33, i32 0, i32 1
-  store ptr %23, ptr %35, align 8
-  %36 = load %"github.com/goplus/llgo/internal/runtime.iface", ptr %33, align 8
-  %37 = call ptr @"github.com/goplus/llgo/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/internal/runtime.iface" %36)
-  %38 = extractvalue %"github.com/goplus/llgo/internal/runtime.iface" %36, 0
-  %39 = getelementptr ptr, ptr %38, i64 3
-  %40 = load ptr, ptr %39, align 8
-  %41 = alloca { ptr, ptr }, align 8
-  %42 = getelementptr inbounds { ptr, ptr }, ptr %41, i32 0, i32 0
-  store ptr %40, ptr %42, align 8
-  %43 = getelementptr inbounds { ptr, ptr }, ptr %41, i32 0, i32 1
-  store ptr %37, ptr %43, align 8
-  %44 = load { ptr, ptr }, ptr %41, align 8
-  %45 = extractvalue { ptr, ptr } %44, 1
-  %46 = extractvalue { ptr, ptr } %44, 0
-  call void %46(ptr %45)
-  %47 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 32)
-  %48 = getelementptr inbounds i64, ptr %47, i64 0
-  %49 = getelementptr inbounds i64, ptr %47, i64 1
-  %50 = getelementptr inbounds i64, ptr %47, i64 2
-  %51 = getelementptr inbounds i64, ptr %47, i64 3
-  store i64 1, ptr %48, align 4
-  store i64 2, ptr %49, align 4
-  store i64 3, ptr %50, align 4
-  store i64 4, ptr %51, align 4
-  %52 = getelementptr [4 x i64], ptr %47, i64 1
+  %22 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 24)
+  %23 = getelementptr inbounds %"main.T[string,int]", ptr %22, i32 0, i32 0
+  %24 = getelementptr inbounds %"main.T[string,int]", ptr %22, i32 0, i32 1
+  %25 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %26 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %25, i32 0, i32 0
+  store ptr @8, ptr %26, align 8
+  %27 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %25, i32 0, i32 1
+  store i64 5, ptr %27, align 4
+  %28 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %25, align 8
+  store %"github.com/goplus/llgo/internal/runtime.String" %28, ptr %23, align 8
+  store i64 100, ptr %24, align 4
+  %29 = load ptr, ptr @"*_llgo_main.T[string,int]", align 8
+  %30 = load ptr, ptr @"_llgo_iface$BP0p_lUsEd-IbbtJVukGmgrdQkqzcoYzSiwgUvgFvUs", align 8
+  %31 = call ptr @"github.com/goplus/llgo/internal/runtime.NewItab"(ptr %30, ptr %29)
+  %32 = alloca %"github.com/goplus/llgo/internal/runtime.iface", align 8
+  %33 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.iface", ptr %32, i32 0, i32 0
+  store ptr %31, ptr %33, align 8
+  %34 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.iface", ptr %32, i32 0, i32 1
+  store ptr %22, ptr %34, align 8
+  %35 = load %"github.com/goplus/llgo/internal/runtime.iface", ptr %32, align 8
+  %36 = call ptr @"github.com/goplus/llgo/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/internal/runtime.iface" %35)
+  %37 = extractvalue %"github.com/goplus/llgo/internal/runtime.iface" %35, 0
+  %38 = getelementptr ptr, ptr %37, i64 3
+  %39 = load ptr, ptr %38, align 8
+  %40 = alloca { ptr, ptr }, align 8
+  %41 = getelementptr inbounds { ptr, ptr }, ptr %40, i32 0, i32 0
+  store ptr %39, ptr %41, align 8
+  %42 = getelementptr inbounds { ptr, ptr }, ptr %40, i32 0, i32 1
+  store ptr %36, ptr %42, align 8
+  %43 = load { ptr, ptr }, ptr %40, align 8
+  %44 = extractvalue { ptr, ptr } %43, 1
+  %45 = extractvalue { ptr, ptr } %43, 0
+  call void %45(ptr %44)
+  %46 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 32)
+  %47 = getelementptr inbounds i64, ptr %46, i64 0
+  %48 = getelementptr inbounds i64, ptr %46, i64 1
+  %49 = getelementptr inbounds i64, ptr %46, i64 2
+  %50 = getelementptr inbounds i64, ptr %46, i64 3
+  store i64 1, ptr %47, align 4
+  store i64 2, ptr %48, align 4
+  store i64 3, ptr %49, align 4
+  store i64 4, ptr %50, align 4
+  %51 = getelementptr [4 x i64], ptr %46, i64 1
+  call void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr %51)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  %52 = getelementptr [4 x i64], ptr %46, i64 1
  call void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr %52)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
-  %53 = getelementptr [4 x i64], ptr %47, i64 1
-  call void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr %53)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  ret i32 0

 _llgo_2:                                          ; preds = %_llgo_0
-  %54 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
-  %55 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %54, i32 0, i32 0
-  store ptr @7, ptr %55, align 8
-  %56 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %54, i32 0, i32 1
-  store i64 21, ptr %56, align 4
-  %57 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %54, align 8
-  %58 = load ptr, ptr @_llgo_string, align 8
-  %59 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store %"github.com/goplus/llgo/internal/runtime.String" %57, ptr %59, align 8
-  %60 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %61 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %60, i32 0, i32 0
+  %53 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %54 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %53, i32 0, i32 0
+  store ptr @7, ptr %54, align 8
+  %55 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %53, i32 0, i32 1
+  store i64 21, ptr %55, align 4
+  %56 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %53, align 8
+  %57 = load ptr, ptr @_llgo_string, align 8
+  %58 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store %"github.com/goplus/llgo/internal/runtime.String" %56, ptr %58, align 8
+  %59 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %60 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %59, i32 0, i32 0
+  store ptr %57, ptr %60, align 8
+  %61 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %59, i32 0, i32 1
  store ptr %58, ptr %61, align 8
-  %62 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %60, i32 0, i32 1
-  store ptr %59, ptr %62, align 8
-  %63 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %60, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %63)
+  %62 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %59, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %62)
  unreachable
 }

 define linkonce void @"main.T[string,int].Info"(%"main.T[string,int]" %0) {
 _llgo_0:
  %1 = alloca %"main.T[string,int]", align 8
-  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %1, i64 24)
-  store %"main.T[string,int]" %0, ptr %2, align 8
-  %3 = getelementptr inbounds %"main.T[string,int]", ptr %2, i32 0, i32 0
-  %4 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %3, align 8
-  %5 = getelementptr inbounds %"main.T[string,int]", ptr %2, i32 0, i32 1
-  %6 = load i64, ptr %5, align 4
-  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %4)
+  call void @llvm.memset(ptr %1, i8 0, i64 24, i1 false)
+  store %"main.T[string,int]" %0, ptr %1, align 8
+  %2 = getelementptr inbounds %"main.T[string,int]", ptr %1, i32 0, i32 0
+  %3 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %2, align 8
+  %4 = getelementptr inbounds %"main.T[string,int]", ptr %1, i32 0, i32 1
+  %5 = load i64, ptr %4, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %3)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %6)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %5)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  ret void
 }
@@ -190,7 +190,8 @@ _llgo_0:

 declare void @"github.com/goplus/llgo/internal/runtime.init"()

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 define void @"main.init$after"() {
 _llgo_0:
@@ -475,3 +476,5 @@ declare ptr @"github.com/goplus/llgo/internal/runtime.IfacePtrData"(%"github.com
 declare void @"github.com/goplus/llgo/internal/runtime.PrintPointer"(ptr)

 declare void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/tpmethod/out.ll
+++ b/cl/_testrt/tpmethod/out.ll
@@ -54,13 +54,13 @@ _llgo_0:
 define void @"main.ReadFile$1"({ ptr, ptr } %0) {
 _llgo_0:
  %1 = alloca %"main.Tuple[error]", align 8
-  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %1, i64 16)
-  %3 = getelementptr inbounds %"main.Tuple[error]", ptr %2, i32 0, i32 0
-  store %"github.com/goplus/llgo/internal/runtime.iface" zeroinitializer, ptr %3, align 8
-  %4 = load %"main.Tuple[error]", ptr %2, align 8
-  %5 = extractvalue { ptr, ptr } %0, 1
-  %6 = extractvalue { ptr, ptr } %0, 0
-  call void %6(ptr %5, %"main.Tuple[error]" %4)
+  call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
+  %2 = getelementptr inbounds %"main.Tuple[error]", ptr %1, i32 0, i32 0
+  store %"github.com/goplus/llgo/internal/runtime.iface" zeroinitializer, ptr %2, align 8
+  %3 = load %"main.Tuple[error]", ptr %1, align 8
+  %4 = extractvalue { ptr, ptr } %0, 1
+  %5 = extractvalue { ptr, ptr } %0, 0
+  call void %5(ptr %4, %"main.Tuple[error]" %3)
  ret void
 }

@@ -124,11 +124,11 @@ _llgo_0:
 define linkonce %"github.com/goplus/llgo/internal/runtime.iface" @"main.Tuple[error].Get"(%"main.Tuple[error]" %0) {
 _llgo_0:
  %1 = alloca %"main.Tuple[error]", align 8
-  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %1, i64 16)
-  store %"main.Tuple[error]" %0, ptr %2, align 8
-  %3 = getelementptr inbounds %"main.Tuple[error]", ptr %2, i32 0, i32 0
-  %4 = load %"github.com/goplus/llgo/internal/runtime.iface", ptr %3, align 8
-  ret %"github.com/goplus/llgo/internal/runtime.iface" %4
+  call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
+  store %"main.Tuple[error]" %0, ptr %1, align 8
+  %2 = getelementptr inbounds %"main.Tuple[error]", ptr %1, i32 0, i32 0
+  %3 = load %"github.com/goplus/llgo/internal/runtime.iface", ptr %2, align 8
+  ret %"github.com/goplus/llgo/internal/runtime.iface" %3
 }

 define %"github.com/goplus/llgo/internal/runtime.iface" @"main.(*Tuple[error]).Get"(ptr %0) {
@@ -171,7 +171,8 @@ _llgo_0:
  ret void
 }

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare void @"github.com/goplus/llgo/internal/runtime.init"()

@@ -796,3 +797,5 @@ declare void @"github.com/goplus/llgo/internal/runtime.InitNamed"(ptr, %"github.
 declare ptr @"github.com/goplus/llgo/internal/runtime.PointerTo"(ptr)

 declare ptr @"github.com/goplus/llgo/internal/runtime.NewItab"(ptr, ptr)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
--- a/cl/_testrt/typed/out.ll
+++ b/cl/_testrt/typed/out.ll
@@ -117,62 +117,62 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %42)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  %43 = alloca [2 x i64], align 8
-  %44 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %43, i64 16)
-  %45 = getelementptr inbounds i64, ptr %44, i64 0
-  %46 = getelementptr inbounds i64, ptr %44, i64 1
-  store i64 1, ptr %45, align 4
-  store i64 2, ptr %46, align 4
-  %47 = load [2 x i64], ptr %44, align 4
-  %48 = load ptr, ptr @_llgo_main.A, align 8
-  %49 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
-  store [2 x i64] %47, ptr %49, align 4
-  %50 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
-  %51 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, i32 0, i32 0
+  call void @llvm.memset(ptr %43, i8 0, i64 16, i1 false)
+  %44 = getelementptr inbounds i64, ptr %43, i64 0
+  %45 = getelementptr inbounds i64, ptr %43, i64 1
+  store i64 1, ptr %44, align 4
+  store i64 2, ptr %45, align 4
+  %46 = load [2 x i64], ptr %43, align 4
+  %47 = load ptr, ptr @_llgo_main.A, align 8
+  %48 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 16)
+  store [2 x i64] %46, ptr %48, align 4
+  %49 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
+  %50 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %49, i32 0, i32 0
+  store ptr %47, ptr %50, align 8
+  %51 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %49, i32 0, i32 1
  store ptr %48, ptr %51, align 8
-  %52 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, i32 0, i32 1
-  store ptr %49, ptr %52, align 8
-  %53 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %50, align 8
-  %54 = alloca [2 x i64], align 8
-  %55 = call ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr %54, i64 16)
-  %56 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %53, 0
-  %57 = load ptr, ptr @_llgo_main.A, align 8
-  %58 = icmp eq ptr %56, %57
-  br i1 %58, label %_llgo_6, label %_llgo_7
+  %52 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %49, align 8
+  %53 = alloca [2 x i64], align 8
+  call void @llvm.memset(ptr %53, i8 0, i64 16, i1 false)
+  %54 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %52, 0
+  %55 = load ptr, ptr @_llgo_main.A, align 8
+  %56 = icmp eq ptr %54, %55
+  br i1 %56, label %_llgo_6, label %_llgo_7

 _llgo_6:                                          ; preds = %_llgo_5
-  %59 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %53, 1
-  %60 = load [2 x i64], ptr %59, align 4
-  %61 = alloca { [2 x i64], i1 }, align 8
-  %62 = getelementptr inbounds { [2 x i64], i1 }, ptr %61, i32 0, i32 0
-  store [2 x i64] %60, ptr %62, align 4
-  %63 = getelementptr inbounds { [2 x i64], i1 }, ptr %61, i32 0, i32 1
-  store i1 true, ptr %63, align 1
-  %64 = load { [2 x i64], i1 }, ptr %61, align 4
+  %57 = extractvalue %"github.com/goplus/llgo/internal/runtime.eface" %52, 1
+  %58 = load [2 x i64], ptr %57, align 4
+  %59 = alloca { [2 x i64], i1 }, align 8
+  %60 = getelementptr inbounds { [2 x i64], i1 }, ptr %59, i32 0, i32 0
+  store [2 x i64] %58, ptr %60, align 4
+  %61 = getelementptr inbounds { [2 x i64], i1 }, ptr %59, i32 0, i32 1
+  store i1 true, ptr %61, align 1
+  %62 = load { [2 x i64], i1 }, ptr %59, align 4
  br label %_llgo_8

 _llgo_7:                                          ; preds = %_llgo_5
-  %65 = alloca { [2 x i64], i1 }, align 8
-  %66 = getelementptr inbounds { [2 x i64], i1 }, ptr %65, i32 0, i32 0
-  store [2 x i64] zeroinitializer, ptr %66, align 4
-  %67 = getelementptr inbounds { [2 x i64], i1 }, ptr %65, i32 0, i32 1
-  store i1 false, ptr %67, align 1
-  %68 = load { [2 x i64], i1 }, ptr %65, align 4
+  %63 = alloca { [2 x i64], i1 }, align 8
+  %64 = getelementptr inbounds { [2 x i64], i1 }, ptr %63, i32 0, i32 0
+  store [2 x i64] zeroinitializer, ptr %64, align 4
+  %65 = getelementptr inbounds { [2 x i64], i1 }, ptr %63, i32 0, i32 1
+  store i1 false, ptr %65, align 1
+  %66 = load { [2 x i64], i1 }, ptr %63, align 4
  br label %_llgo_8

 _llgo_8:                                          ; preds = %_llgo_7, %_llgo_6
-  %69 = phi { [2 x i64], i1 } [ %64, %_llgo_6 ], [ %68, %_llgo_7 ]
-  %70 = extractvalue { [2 x i64], i1 } %69, 0
-  store [2 x i64] %70, ptr %55, align 4
-  %71 = extractvalue { [2 x i64], i1 } %69, 1
-  %72 = getelementptr inbounds i64, ptr %55, i64 0
+  %67 = phi { [2 x i64], i1 } [ %62, %_llgo_6 ], [ %66, %_llgo_7 ]
+  %68 = extractvalue { [2 x i64], i1 } %67, 0
+  store [2 x i64] %68, ptr %53, align 4
+  %69 = extractvalue { [2 x i64], i1 } %67, 1
+  %70 = getelementptr inbounds i64, ptr %53, i64 0
+  %71 = load i64, ptr %70, align 4
+  %72 = getelementptr inbounds i64, ptr %53, i64 1
  %73 = load i64, ptr %72, align 4
-  %74 = getelementptr inbounds i64, ptr %55, i64 1
-  %75 = load i64, ptr %74, align 4
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %71)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %73)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %75)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %71)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %69)
  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
  ret i32 0
 }
@@ -292,8 +292,11 @@ declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)

 declare void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1)

-declare ptr @"github.com/goplus/llgo/internal/runtime.Zeroinit"(ptr, i64)
+; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0

 declare ptr @"github.com/goplus/llgo/internal/runtime.ArrayOf"(i64, ptr)

 declare void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64)
+
+attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }