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llvm-mirror/test/DebugInfo/COFF/inlining-header.ll
Peter Collingbourne a9fbb2813b DebugInfo: New metadata representation for global variables. 
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
2016-09-13 01:12:59 +00:00

171 lines
7.1 KiB
LLVM
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; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s | FileCheck %s --check-prefix=ASM
; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s -filetype=obj | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ
; This C++ source should run and you should be able to step through the volatile
; modifications to x in windbg.
; # 1 "t.cpp" 2
; volatile int x;
;
; # 1 "./t.h" 1
; inline void f() {
; x += 3;
; }
; # 3 "t.cpp" 2
; inline __forceinline void g() {
; x += 2;
; f();
; x += 2;
; }
; int main() {
; x += 1;
; g();
; x += 1;
; return x;
; }
; ASM: _main: # @main
; ASM: Lfunc_begin0:
; ASM: .cv_func_id 0
; ASM: # BB#0: # %entry
; ASM: .cv_file 1 "D:\\src\\llvm\\build\\t.cpp"
; ASM: .cv_loc 0 1 9 5 is_stmt 0 # t.cpp:9:5
; ASM: incl "?x@@3HC"
; ASM: .cv_inline_site_id 1 within 0 inlined_at 1 10 3
; ASM: .cv_loc 1 1 4 5 # t.cpp:4:5
; ASM: addl $2, "?x@@3HC"
; ASM: .cv_file 2 "D:\\src\\llvm\\build\\t.h"
; ASM: .cv_inline_site_id 2 within 1 inlined_at 1 5 3
; ASM: .cv_loc 2 2 2 5 # ./t.h:2:5
; ASM: addl $3, "?x@@3HC"
; ASM: .cv_loc 1 1 6 5 # t.cpp:6:5
; ASM: addl $2, "?x@@3HC"
; ASM: .cv_loc 0 1 11 5 # t.cpp:11:5
; ASM: incl "?x@@3HC"
; ASM: .cv_loc 0 1 12 10 # t.cpp:12:10
; ASM: movl "?x@@3HC", %eax
; ASM: .cv_loc 0 1 12 3 # t.cpp:12:3
; ASM: retl
; OBJ: Subsection [
; OBJ: SubSectionType: InlineeLines (0xF6)
; OBJ: SubSectionSize: 0x1C
; OBJ: InlineeSourceLine {
; OBJ: Inlinee: g (0x1002)
; OBJ: FileID: D:\src\llvm\build\t.cpp (0x0)
; OBJ: SourceLineNum: 3
; OBJ: }
; OBJ: InlineeSourceLine {
; OBJ: Inlinee: f (0x1003)
; OBJ: FileID: D:\src\llvm\build\t.h (0x8)
; OBJ: SourceLineNum: 1
; OBJ: }
; OBJ: ]
; OBJ: Subsection [
; OBJ: SubSectionType: Symbols (0xF1)
; OBJ: ProcStart {
; OBJ: Kind: S_GPROC32_ID (0x1147)
; OBJ: FunctionType: main (0x1005)
; OBJ: CodeOffset: _main+0x0
; OBJ: Segment: 0x0
; OBJ: Flags [ (0x0)
; OBJ: ]
; OBJ: DisplayName: main
; OBJ: LinkageName: _main
; OBJ: }
; Previously, g's InlineSite referenced t.h, which was wasteful.
; OBJ: InlineSite {
; OBJ: Inlinee: g (0x1002)
; OBJ: BinaryAnnotations [
; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x6, LineOffset: 1}
; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
; OBJ-NEXT: ChangeCodeLength: 0x7
; OBJ-NEXT: ]
; OBJ: }
; OBJ: InlineSite {
; OBJ: Inlinee: f (0x1003)
; OBJ: BinaryAnnotations [
; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0xD, LineOffset: 1}
; OBJ-NEXT: ChangeCodeLength: 0x7
; OBJ-NEXT:]
; OBJ: }
; OBJ: InlineSiteEnd {
; OBJ: }
; OBJ: InlineSiteEnd {
; OBJ: }
; OBJ: ProcEnd {
; OBJ: }
; OBJ: ]
; ModuleID = 't.cpp'
source_filename = "t.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.24210"
@"\01?x@@3HC" = global i32 0, align 4, !dbg !4
; Function Attrs: norecurse nounwind uwtable
define i32 @main() local_unnamed_addr #0 !dbg !11 {
entry:
%0 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !14, !tbaa !15
%add = add nsw i32 %0, 1, !dbg !14
store volatile i32 %add, i32* @"\01?x@@3HC", align 4, !dbg !14, !tbaa !15
%1 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !19, !tbaa !15
%add.i = add nsw i32 %1, 2, !dbg !19
store volatile i32 %add.i, i32* @"\01?x@@3HC", align 4, !dbg !19, !tbaa !15
%2 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !24, !tbaa !15
%add.i.i = add nsw i32 %2, 3, !dbg !24
store volatile i32 %add.i.i, i32* @"\01?x@@3HC", align 4, !dbg !24, !tbaa !15
%3 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !28, !tbaa !15
%add1.i = add nsw i32 %3, 2, !dbg !28
store volatile i32 %add1.i, i32* @"\01?x@@3HC", align 4, !dbg !28, !tbaa !15
%4 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !15
%add1 = add nsw i32 %4, 1, !dbg !29
store volatile i32 %add1, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !15
%5 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !15
ret i32 %5, !dbg !31
}
attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!7, !8, !9}
!llvm.ident = !{!10}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!2 = !{}
!3 = !{!4}
!4 = distinct !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!7 = !{i32 2, !"CodeView", i32 1}
!8 = !{i32 2, !"Debug Info Version", i32 3}
!9 = !{i32 1, !"PIC Level", i32 2}
!10 = !{!"clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)"}
!11 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 8, type: !12, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
!12 = !DISubroutineType(types: !13)
!13 = !{!6}
!14 = !DILocation(line: 9, column: 5, scope: !11)
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !17, i64 0}
!17 = !{!"omnipotent char", !18, i64 0}
!18 = !{!"Simple C++ TBAA"}
!19 = !DILocation(line: 4, column: 5, scope: !20, inlinedAt: !23)
!20 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !1, file: !1, line: 3, type: !21, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
!21 = !DISubroutineType(types: !22)
!22 = !{null}
!23 = distinct !DILocation(line: 10, column: 3, scope: !11)
!24 = !DILocation(line: 2, column: 5, scope: !25, inlinedAt: !27)
!25 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !26, file: !26, line: 1, type: !21, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
!26 = !DIFile(filename: "./t.h", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!27 = distinct !DILocation(line: 5, column: 3, scope: !20, inlinedAt: !23)
!28 = !DILocation(line: 6, column: 5, scope: !20, inlinedAt: !23)
!29 = !DILocation(line: 11, column: 5, scope: !11)
!30 = !DILocation(line: 12, column: 10, scope: !11)
!31 = !DILocation(line: 12, column: 3, scope: !11)
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