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72 lines
2.3 KiB
72 lines
2.3 KiB
4 months ago
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; RUN: llc -stop-after=livedebugvalues -o - %s \
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; RUN: | FileCheck %s --check-prefix=SANITY
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; RUN: llc -march=x86-64 -o - %s -filetype=obj \
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; RUN: | llvm-dwarfdump -v -all - | FileCheck %s
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;
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (
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; CHECK-NEXT: {{.*}}: DW_OP_reg0 RAX)
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; CHECK-NEXT: DW_AT_name{{.*}}"a"
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; SANITY: DBG_VALUE
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; SANITY-NOT: DBG_VALUE
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; Compiled with -O:
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; void h(int);
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; int g();
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; void f() {
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; h(0);
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; int a = g();
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; h(a);
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; }
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; ModuleID = 'test.ll'
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx"
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; Function Attrs: nounwind ssp uwtable
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define void @f() #0 !dbg !4 {
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entry:
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tail call void @h(i32 0) #2, !dbg !14
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%call = tail call i32 (...) @g() #2, !dbg !15
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tail call void @llvm.dbg.value(metadata i32 %call, metadata !8, metadata !16), !dbg !17
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tail call void @h(i32 %call) #2, !dbg !18
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ret void, !dbg !19
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}
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declare void @h(i32)
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declare i32 @g(...)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable "frame-pointer"="all" }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11, !12}
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!llvm.ident = !{!13}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !7)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{!8}
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!8 = !DILocalVariable(name: "a", scope: !4, file: !1, line: 5, type: !9)
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!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 2}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"PIC Level", i32 2}
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!13 = !{!"clang version 3.9.0 "}
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!14 = !DILocation(line: 4, column: 3, scope: !4)
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!15 = !DILocation(line: 5, column: 11, scope: !4)
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!16 = !DIExpression()
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!17 = !DILocation(line: 5, column: 7, scope: !4)
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!18 = !DILocation(line: 6, column: 3, scope: !4)
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!19 = !DILocation(line: 7, column: 1, scope: !4)
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