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a9fbb2813b
This patch reverses the edge from DIGlobalVariable to GlobalVariable. This will allow us to more easily preserve debug info metadata when manipulating global variables. Fixes PR30362. A program for upgrading test cases is attached to that bug. Differential Revision: http://reviews.llvm.org/D20147 llvm-svn: 281284
89 lines
3.7 KiB
LLVM
89 lines
3.7 KiB
LLVM
; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s -filetype=obj | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ
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; This LL file was generated by running 'clang -O1 -g -gcodeview' on the
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; following code:
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; int volatile x;
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; static inline void f() {
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; ++x;
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; }
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; static inline void g() {
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; f();
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; }
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; static inline void h() {
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; g();
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; }
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; int main() {
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; h();
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; }
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; OBJ: Subsection [
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; OBJ: SubSectionType: Symbols (0xF1)
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; OBJ: ProcStart {
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; OBJ: InlineSite {
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; OBJ: Inlinee: h (0x1002)
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; OBJ: }
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; OBJ: InlineSite {
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; OBJ: Inlinee: g (0x1003)
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; OBJ: }
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; OBJ: InlineSite {
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; OBJ: Inlinee: f (0x1004)
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; OBJ: }
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; OBJ: InlineSiteEnd {
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; OBJ: }
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; OBJ: InlineSiteEnd {
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; OBJ: }
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; OBJ: InlineSiteEnd {
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; OBJ: }
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; OBJ: ProcEnd
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; OBJ: ]
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; ModuleID = 't.cpp'
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc18.0.0"
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@"\01?x@@3HC" = global i32 0, align 4, !dbg !14
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; Function Attrs: norecurse nounwind uwtable
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define i32 @main() #0 !dbg !4 {
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entry:
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%0 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !24
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%inc.i.i.i = add nsw i32 %0, 1, !dbg !20
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store volatile i32 %inc.i.i.i, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !24
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ret i32 0, !dbg !28
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}
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attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!16, !17, !18}
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!llvm.ident = !{!19}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !13)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 12, type: !5, isLocal: false, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{!7}
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = distinct !DISubprogram(name: "h", linkageName: "\01?h@@YAXXZ", scope: !1, file: !1, line: 9, type: !9, isLocal: true, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null}
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!11 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !1, file: !1, line: 6, type: !9, isLocal: true, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
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!12 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !1, file: !1, line: 2, type: !9, isLocal: true, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
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!13 = !{!14}
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!14 = !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !15, isLocal: false, isDefinition: true)
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!15 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
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!16 = !{i32 2, !"CodeView", i32 1}
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!17 = !{i32 2, !"Debug Info Version", i32 3}
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!18 = !{i32 1, !"PIC Level", i32 2}
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!19 = !{!"clang version 3.9.0 "}
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!20 = !DILocation(line: 4, column: 3, scope: !12, inlinedAt: !21)
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!21 = distinct !DILocation(line: 7, column: 3, scope: !11, inlinedAt: !22)
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!22 = distinct !DILocation(line: 10, column: 3, scope: !8, inlinedAt: !23)
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!23 = distinct !DILocation(line: 13, column: 3, scope: !4)
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!24 = !{!25, !25, i64 0}
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!25 = !{!"int", !26, i64 0}
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!26 = !{!"omnipotent char", !27, i64 0}
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!27 = !{!"Simple C/C++ TBAA"}
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!28 = !DILocation(line: 14, column: 1, scope: !4)
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