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llvm-mirror/test/DebugInfo/COFF/inlining-header.ll
Reid Kleckner 4b1d0ba67a [codeview] Clean up machinery for deferring .cv_loc emission 
Now that we create the label at the point of the directive, we don't
need to set the "current CV location", and then later when we emit the
next instruction, create a label for it and emit it.

DWARF still defers the labels used in .debug_loc until the next
instruction or value, for reasons unknown.

llvm-svn: 340883
2018-08-28 23:25:59 +00:00

172 lines
7.2 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 # 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: {{.*}}Proc{{.*}}Sym {
; 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 InlineSiteSym referenced t.h, which was wasteful.
; OBJ: InlineSiteSym {
; 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: InlineSiteSym {
; 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 !0
; Function Attrs: norecurse nounwind uwtable
define i32 @main() local_unnamed_addr #0 !dbg !12 {
entry:
%0 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16
%add = add nsw i32 %0, 1, !dbg !15
store volatile i32 %add, i32* @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16
%1 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16
%add.i = add nsw i32 %1, 2, !dbg !20
store volatile i32 %add.i, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16
%2 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16
%add.i.i = add nsw i32 %2, 3, !dbg !25
store volatile i32 %add.i.i, i32* @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16
%3 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16
%add1.i = add nsw i32 %3, 2, !dbg !29
store volatile i32 %add1.i, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16
%4 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16
%add1 = add nsw i32 %4, 1, !dbg !30
store volatile i32 %add1, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16
%5 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !31, !tbaa !16
ret i32 %5, !dbg !32
}
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 = !{!2}
!llvm.module.flags = !{!8, !9, !10}
!llvm.ident = !{!11}
!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
!3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!4 = !{}
!5 = !{!0}
!6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!8 = !{i32 2, !"CodeView", i32 1}
!9 = !{i32 2, !"Debug Info Version", i32 3}
!10 = !{i32 1, !"PIC Level", i32 2}
!11 = !{!"clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)"}
!12 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 8, type: !13, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
!13 = !DISubroutineType(types: !14)
!14 = !{!7}
!15 = !DILocation(line: 9, column: 5, scope: !12)
!16 = !{!17, !17, i64 0}
!17 = !{!"int", !18, i64 0}
!18 = !{!"omnipotent char", !19, i64 0}
!19 = !{!"Simple C++ TBAA"}
!20 = !DILocation(line: 4, column: 5, scope: !21, inlinedAt: !24)
!21 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !3, file: !3, line: 3, type: !22, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
!22 = !DISubroutineType(types: !23)
!23 = !{null}
!24 = distinct !DILocation(line: 10, column: 3, scope: !12)
!25 = !DILocation(line: 2, column: 5, scope: !26, inlinedAt: !28)
!26 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !27, file: !27, line: 1, type: !22, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
!27 = !DIFile(filename: "./t.h", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!28 = distinct !DILocation(line: 5, column: 3, scope: !21, inlinedAt: !24)
!29 = !DILocation(line: 6, column: 5, scope: !21, inlinedAt: !24)
!30 = !DILocation(line: 11, column: 5, scope: !12)
!31 = !DILocation(line: 12, column: 10, scope: !12)
!32 = !DILocation(line: 12, column: 3, scope: !12)
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