diff --git a/cl/compile.go b/cl/compile.go index 6376d890..033b1d83 100644 --- a/cl/compile.go +++ b/cl/compile.go @@ -62,6 +62,10 @@ func EnableDebugSymbols() { debugSymbols = true } +func DisableDebugSymbols() { + debugSymbols = false +} + func DebugSymbols() bool { return debugSymbols } diff --git a/cl/compile_test.go b/cl/compile_test.go index fa77673c..41fc6331 100644 --- a/cl/compile_test.go +++ b/cl/compile_test.go @@ -124,3 +124,68 @@ _llgo_2: ; preds = %_llgo_1, %_llgo_0 } `) } + +func TestDebugInfo(t *testing.T) { + cl.EnableDebugSymbols() + defer cl.DisableDebugSymbols() + + testCompile(t, `package foo + +func fn(a int, b float64) int { + return 1 +} +`, `; ModuleID = 'foo' +source_filename = "foo" + +@"foo.init$guard" = global i1 false, align 1 + +define i64 @foo.fn(i64 %0, double %1) !dbg !4 { +_llgo_0: + call void @llvm.dbg.value(metadata i64 %0, metadata !10, metadata !DIExpression()), !dbg !11 + call void @llvm.dbg.value(metadata double %1, metadata !12, metadata !DIExpression()), !dbg !13 + ret i64 1, !dbg !14 +} + +define void @foo.init() !dbg !15 { +_llgo_0: + %0 = load i1, ptr @"foo.init$guard", align 1, !dbg !19 + br i1 %0, label %_llgo_2, label %_llgo_1, !dbg !19 + +_llgo_1: ; preds = %_llgo_0 + store i1 true, ptr @"foo.init$guard", align 1, !dbg !19 + br label %_llgo_2, !dbg !19 + +_llgo_2: ; preds = %_llgo_1, %_llgo_0 + ret void, !dbg !19 +} + +; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) +declare void @llvm.dbg.value(metadata, metadata, metadata) #0 + +attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } + +!llvm.module.flags = !{!0, !1} +!llvm.dbg.cu = !{!2} + +!0 = !{i32 2, !"Debug Info Version", i32 3} +!1 = !{i32 7, !"Dwarf Version", i32 5} +!2 = distinct !DICompileUnit(language: DW_LANG_Modula3, file: !3, producer: "LLGo", isOptimized: true, runtimeVersion: 1, emissionKind: FullDebug) +!3 = !DIFile(filename: "foo", directory: "foo") +!4 = distinct !DISubprogram(name: "foo.fn", linkageName: "foo.fn", scope: null, file: !5, line: 3, type: !6, spFlags: DISPFlagDefinition, unit: !2) +!5 = !DIFile(filename: "foo.go", directory: "") +!6 = !DISubroutineType(types: !7) +!7 = !{!8, !9} +!8 = !DIBasicType(name: "int", size: 64, encoding: DW_ATE_signed) +!9 = !DIBasicType(name: "float64", size: 64, encoding: DW_ATE_float) +!10 = !DILocalVariable(name: "a", scope: !4, file: !5, line: 3, type: !8) +!11 = !DILocation(line: 3, column: 9, scope: !4) +!12 = !DILocalVariable(name: "b", arg: 1, scope: !4, file: !5, line: 3, type: !9) +!13 = !DILocation(line: 3, column: 16, scope: !4) +!14 = !DILocation(line: 3, column: 6, scope: !4) +!15 = distinct !DISubprogram(name: "foo.init", linkageName: "foo.init", scope: null, file: !16, type: !17, spFlags: DISPFlagDefinition, unit: !2) +!16 = !DIFile(filename: "", directory: "") +!17 = !DISubroutineType(types: !18) +!18 = !{} +!19 = !DILocation(line: 0, scope: !15) +`) +}