ssa: compile go string constant without alloca
This commit is contained in:
Li Jie
@@ -15,54 +15,36 @@ source_filename = "main"
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define %"github.com/goplus/llgo/internal/runtime.String" @main.concat(%"github.com/goplus/llgo/internal/runtime.Slice" %0) {
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_llgo_0:
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%1 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %0, 1
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%2 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 0
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store ptr null, ptr %3, align 8
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%4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
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store i64 0, ptr %4, align 4
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%5 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %2, align 8
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br label %_llgo_1
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_llgo_1: ; preds = %_llgo_2, %_llgo_0
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%6 = phi %"github.com/goplus/llgo/internal/runtime.String" [ %5, %_llgo_0 ], [ %17, %_llgo_2 ]
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%7 = phi i64 [ -1, %_llgo_0 ], [ %8, %_llgo_2 ]
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%8 = add i64 %7, 1
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%9 = icmp slt i64 %8, %1
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br i1 %9, label %_llgo_2, label %_llgo_3
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%2 = phi %"github.com/goplus/llgo/internal/runtime.String" [ zeroinitializer, %_llgo_0 ], [ %13, %_llgo_2 ]
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%3 = phi i64 [ -1, %_llgo_0 ], [ %4, %_llgo_2 ]
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%4 = add i64 %3, 1
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%5 = icmp slt i64 %4, %1
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br i1 %5, label %_llgo_2, label %_llgo_3
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_llgo_2: ; preds = %_llgo_1
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%10 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %0, 0
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%11 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %0, 1
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%12 = icmp slt i64 %8, 0
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%13 = icmp sge i64 %8, %11
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%14 = or i1 %13, %12
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call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %14)
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%15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %10, i64 %8
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%16 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %15, align 8
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%17 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %6, %"github.com/goplus/llgo/internal/runtime.String" %16)
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%6 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %0, 0
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%7 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %0, 1
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%8 = icmp slt i64 %4, 0
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%9 = icmp sge i64 %4, %7
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%10 = or i1 %9, %8
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call void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1 %10)
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%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i64 %4
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%12 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %11, align 8
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%13 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %2, %"github.com/goplus/llgo/internal/runtime.String" %12)
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br label %_llgo_1
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_llgo_3: ; preds = %_llgo_1
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ret %"github.com/goplus/llgo/internal/runtime.String" %6
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ret %"github.com/goplus/llgo/internal/runtime.String" %2
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}
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define %"github.com/goplus/llgo/internal/runtime.String" @main.info(%"github.com/goplus/llgo/internal/runtime.String" %0) {
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_llgo_0:
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%1 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%2 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 0
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store ptr null, ptr %2, align 8
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%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 1
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store i64 0, ptr %3, align 4
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%4 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %1, align 8
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%5 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %4, %"github.com/goplus/llgo/internal/runtime.String" %0)
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%6 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i32 0, i32 0
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store ptr @0, ptr %7, align 8
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%8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i32 0, i32 1
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store i64 3, ptr %8, align 4
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%9 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %6, align 8
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%10 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %5, %"github.com/goplus/llgo/internal/runtime.String" %9)
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ret %"github.com/goplus/llgo/internal/runtime.String" %10
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%1 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" zeroinitializer, %"github.com/goplus/llgo/internal/runtime.String" %0)
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%2 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %1, %"github.com/goplus/llgo/internal/runtime.String" { ptr @0, i64 3 })
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ret %"github.com/goplus/llgo/internal/runtime.String" %2
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}
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define void @main.init() {
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@@ -86,39 +68,16 @@ _llgo_0:
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call void @main.init()
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%2 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 48)
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%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i64 0
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%4 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %4, i32 0, i32 0
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store ptr @1, ptr %5, align 8
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%6 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %4, i32 0, i32 1
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store i64 5, ptr %6, align 4
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%7 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %4, align 8
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store %"github.com/goplus/llgo/internal/runtime.String" %7, ptr %3, align 8
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%8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i64 1
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%9 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %9, i32 0, i32 0
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store ptr @2, ptr %10, align 8
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%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %9, i32 0, i32 1
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store i64 1, ptr %11, align 4
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%12 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %9, align 8
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store %"github.com/goplus/llgo/internal/runtime.String" %12, ptr %8, align 8
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%13 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i64 2
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%14 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %14, i32 0, i32 0
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store ptr @3, ptr %15, align 8
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%16 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %14, i32 0, i32 1
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store i64 5, ptr %16, align 4
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%17 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %14, align 8
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store %"github.com/goplus/llgo/internal/runtime.String" %17, ptr %13, align 8
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%18 = alloca %"github.com/goplus/llgo/internal/runtime.Slice", align 8
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%19 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %18, i32 0, i32 0
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store ptr %2, ptr %19, align 8
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%20 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %18, i32 0, i32 1
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store i64 3, ptr %20, align 4
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%21 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %18, i32 0, i32 2
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store i64 3, ptr %21, align 4
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%22 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %18, align 8
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%23 = call %"github.com/goplus/llgo/internal/runtime.String" @main.concat(%"github.com/goplus/llgo/internal/runtime.Slice" %22)
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %23)
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store %"github.com/goplus/llgo/internal/runtime.String" { ptr @1, i64 5 }, ptr %3, align 8
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%4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i64 1
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store %"github.com/goplus/llgo/internal/runtime.String" { ptr @2, i64 1 }, ptr %4, align 8
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%5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i64 2
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store %"github.com/goplus/llgo/internal/runtime.String" { ptr @3, i64 5 }, ptr %5, align 8
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%6 = insertvalue %"github.com/goplus/llgo/internal/runtime.Slice" undef, ptr %2, 0
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%7 = insertvalue %"github.com/goplus/llgo/internal/runtime.Slice" %6, i64 3, 1
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%8 = insertvalue %"github.com/goplus/llgo/internal/runtime.Slice" %7, i64 3, 2
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%9 = call %"github.com/goplus/llgo/internal/runtime.String" @main.concat(%"github.com/goplus/llgo/internal/runtime.Slice" %8)
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %9)
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call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
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ret i32 0
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}
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