llgo/ssa: phi refactor

cl/_testgo/abiname/in.go

@@ -0,0 +1,16 @@
+package main
+
+import "github.com/goplus/llgo/internal/abi"
+
+// NewPkgName creates a package name.
+func NewPkgName(pkgPath string) (ret abi.Name) {
+	if len(pkgPath) > 0 {
+		ret = abi.NewName(pkgPath, "", false, false)
+	}
+	return
+}
+
+func main() {
+	n := NewPkgName("pkgPath")
+	println(n.Name(), n.Tag(), n.IsExported(), n.IsEmbedded(), n.IsBlank())
+}

cl/_testgo/abiname/out.ll

@@ -0,0 +1,99 @@
+; ModuleID = 'main'
+source_filename = "main"
+
+%"github.com/goplus/llgo/internal/abi.Name" = type { ptr }
+%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
+
+@"main.init$guard" = global ptr null
+@0 = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
+@__llgo_argc = global ptr null
+@__llgo_argv = global ptr null
+@1 = private unnamed_addr constant [8 x i8] c"pkgPath\00", align 1
+
+define %"github.com/goplus/llgo/internal/abi.Name" @main.NewPkgName(%"github.com/goplus/llgo/internal/runtime.String" %0) {
+_llgo_0:
+  %1 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %0, 1
+  %2 = icmp sgt i64 %1, 0
+  br i1 %2, label %_llgo_1, label %_llgo_2
+
+_llgo_1:                                          ; preds = %_llgo_0
+  %3 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 0
+  store ptr @0, ptr %4, align 8
+  %5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 1
+  store i64 0, ptr %5, align 4
+  %6 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %3, align 8
+  %7 = call %"github.com/goplus/llgo/internal/abi.Name" @"github.com/goplus/llgo/internal/abi.NewName"(%"github.com/goplus/llgo/internal/runtime.String" %0, %"github.com/goplus/llgo/internal/runtime.String" %6, i1 false, i1 false)
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  %8 = phi ptr [ zeroinitializer, %_llgo_0 ], [ %7, %_llgo_1 ]
+  ret ptr %8
+}
+
+define void @main.init() {
+_llgo_0:
+  %0 = load i1, ptr @"main.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"main.init$guard", align 1
+  call void @"github.com/goplus/llgo/internal/abi.init"()
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define i32 @main(i32 %0, ptr %1) {
+_llgo_0:
+  store i32 %0, ptr @__llgo_argc, align 4
+  store ptr %1, ptr @__llgo_argv, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
+  %2 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 0
+  store ptr @1, ptr %3, align 8
+  %4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
+  store i64 7, ptr %4, align 4
+  %5 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %2, align 8
+  %6 = call %"github.com/goplus/llgo/internal/abi.Name" @main.NewPkgName(%"github.com/goplus/llgo/internal/runtime.String" %5)
+  %7 = call %"github.com/goplus/llgo/internal/runtime.String" @"(github.com/goplus/llgo/internal/abi.Name).Name"(%"github.com/goplus/llgo/internal/abi.Name" %6)
+  %8 = call %"github.com/goplus/llgo/internal/runtime.String" @"(github.com/goplus/llgo/internal/abi.Name).Tag"(%"github.com/goplus/llgo/internal/abi.Name" %6)
+  %9 = call i1 @"(github.com/goplus/llgo/internal/abi.Name).IsExported"(%"github.com/goplus/llgo/internal/abi.Name" %6)
+  %10 = call i1 @"(github.com/goplus/llgo/internal/abi.Name).IsEmbedded"(%"github.com/goplus/llgo/internal/abi.Name" %6)
+  %11 = call i1 @"(github.com/goplus/llgo/internal/abi.Name).IsBlank"(%"github.com/goplus/llgo/internal/abi.Name" %6)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %7)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %8)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %9)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %10)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %11)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  ret i32 0
+}
+
+declare %"github.com/goplus/llgo/internal/abi.Name" @"github.com/goplus/llgo/internal/abi.NewName"(%"github.com/goplus/llgo/internal/runtime.String", %"github.com/goplus/llgo/internal/runtime.String", i1, i1)
+
+declare void @"github.com/goplus/llgo/internal/abi.init"()
+
+declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+declare %"github.com/goplus/llgo/internal/runtime.String" @"(github.com/goplus/llgo/internal/abi.Name).Name"(%"github.com/goplus/llgo/internal/abi.Name")
+
+declare %"github.com/goplus/llgo/internal/runtime.String" @"(github.com/goplus/llgo/internal/abi.Name).Tag"(%"github.com/goplus/llgo/internal/abi.Name")
+
+declare i1 @"(github.com/goplus/llgo/internal/abi.Name).IsExported"(%"github.com/goplus/llgo/internal/abi.Name")
+
+declare i1 @"(github.com/goplus/llgo/internal/abi.Name).IsEmbedded"(%"github.com/goplus/llgo/internal/abi.Name")
+
+declare i1 @"(github.com/goplus/llgo/internal/abi.Name).IsBlank"(%"github.com/goplus/llgo/internal/abi.Name")
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String")
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1)