55 lines
2.3 KiB
LLVM
55 lines
2.3 KiB
LLVM
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; RUN: llc < %s -filetype=obj | llvm-dwarfdump -v -debug-info - | FileCheck %s
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; from (at -Os):
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; void foo() {
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; float a = 3.14;
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; *(int *)&a = 0;
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; }
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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-macosx10.10.0"
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; Function Attrs: nounwind optsize readnone uwtable
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define void @foo() #0 !dbg !7 {
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entry:
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tail call void @llvm.dbg.declare(metadata float* undef, metadata !13, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 1078523331, metadata !13, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 0, metadata !13, metadata !19), !dbg !20
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; CHECK: DW_AT_const_value [DW_FORM_sdata] (0)
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; CHECK-NEXT: DW_AT_name {{.*}}"a"
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ret void, !dbg !21
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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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 optsize readnone uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!15, !16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (trunk 227686)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "foo.c", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !5)
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!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, isOptimized: true, unit: !0, scopeLine: 1, file: !8, scope: !9, type: !10, retainedNodes: !12)
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!8 = !DIFile(filename: "foo.c", directory: "")
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!9 = !DIFile(filename: "foo.c", directory: "")
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!10 = !DISubroutineType(types: !11)
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!11 = !{null}
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!12 = !{!13}
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!13 = !DILocalVariable(name: "a", line: 2, scope: !7, file: !9, type: !14)
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!14 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!15 = !{i32 2, !"Dwarf Version", i32 2}
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!16 = !{i32 2, !"Debug Info Version", i32 3}
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!17 = !{i32 1, !"PIC Level", i32 2}
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!18 = !{!"clang version 3.7.0 (trunk 227686)"}
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!19 = !DIExpression()
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!20 = !DILocation(line: 2, column: 9, scope: !7)
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!21 = !DILocation(line: 4, column: 1, scope: !7)
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