171 lines
7.1 KiB
LLVM
171 lines
7.1 KiB
LLVM
; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s | FileCheck %s --check-prefix=ASM
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; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s -filetype=obj | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ
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; This C++ source should run and you should be able to step through the volatile
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; modifications to x in windbg.
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; # 1 "t.cpp" 2
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; volatile int x;
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;
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; # 1 "./t.h" 1
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; inline void f() {
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; x += 3;
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; }
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; # 3 "t.cpp" 2
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; inline __forceinline void g() {
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; x += 2;
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; f();
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; x += 2;
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; }
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; int main() {
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; x += 1;
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; g();
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; x += 1;
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; return x;
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; }
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; ASM: _main: # @main
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; ASM: Lfunc_begin0:
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; ASM: .cv_func_id 0
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; ASM: # BB#0: # %entry
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; ASM: .cv_file 1 "D:\\src\\llvm\\build\\t.cpp"
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; ASM: .cv_loc 0 1 9 5 is_stmt 0 # t.cpp:9:5
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; ASM: incl "?x@@3HC"
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; ASM: .cv_inline_site_id 1 within 0 inlined_at 1 10 3
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; ASM: .cv_loc 1 1 4 5 # t.cpp:4:5
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; ASM: addl $2, "?x@@3HC"
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; ASM: .cv_file 2 "D:\\src\\llvm\\build\\t.h"
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; ASM: .cv_inline_site_id 2 within 1 inlined_at 1 5 3
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; ASM: .cv_loc 2 2 2 5 # ./t.h:2:5
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; ASM: addl $3, "?x@@3HC"
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; ASM: .cv_loc 1 1 6 5 # t.cpp:6:5
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; ASM: addl $2, "?x@@3HC"
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; ASM: .cv_loc 0 1 11 5 # t.cpp:11:5
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; ASM: incl "?x@@3HC"
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; ASM: .cv_loc 0 1 12 10 # t.cpp:12:10
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; ASM: movl "?x@@3HC", %eax
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; ASM: .cv_loc 0 1 12 3 # t.cpp:12:3
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; ASM: retl
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; OBJ: Subsection [
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; OBJ: SubSectionType: InlineeLines (0xF6)
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; OBJ: SubSectionSize: 0x1C
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; OBJ: InlineeSourceLine {
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; OBJ: Inlinee: g (0x1002)
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; OBJ: FileID: D:\src\llvm\build\t.cpp (0x0)
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; OBJ: SourceLineNum: 3
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; OBJ: }
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; OBJ: InlineeSourceLine {
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; OBJ: Inlinee: f (0x1003)
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; OBJ: FileID: D:\src\llvm\build\t.h (0x8)
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; OBJ: SourceLineNum: 1
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; OBJ: }
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; OBJ: ]
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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: Kind: S_GPROC32_ID (0x1147)
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; OBJ: FunctionType: main (0x1005)
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; OBJ: CodeOffset: _main+0x0
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; OBJ: Segment: 0x0
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; OBJ: Flags [ (0x0)
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; OBJ: ]
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; OBJ: DisplayName: main
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; OBJ: LinkageName: _main
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; OBJ: }
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; Previously, g's InlineSite referenced t.h, which was wasteful.
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; OBJ: InlineSite {
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; OBJ: Inlinee: g (0x1002)
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; OBJ: BinaryAnnotations [
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; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x6, LineOffset: 1}
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; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
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; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
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; OBJ-NEXT: ChangeCodeLength: 0x7
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; OBJ-NEXT: ]
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; OBJ: }
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; OBJ: InlineSite {
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; OBJ: Inlinee: f (0x1003)
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; OBJ: BinaryAnnotations [
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; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0xD, LineOffset: 1}
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; OBJ-NEXT: ChangeCodeLength: 0x7
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; OBJ-NEXT:]
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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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; OBJ: ]
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; ModuleID = 't.cpp'
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source_filename = "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-msvc19.0.24210"
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@"\01?x@@3HC" = global i32 0, align 4, !dbg !4
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; Function Attrs: norecurse nounwind uwtable
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define i32 @main() local_unnamed_addr #0 !dbg !11 {
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entry:
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%0 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !14, !tbaa !15
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%add = add nsw i32 %0, 1, !dbg !14
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store volatile i32 %add, i32* @"\01?x@@3HC", align 4, !dbg !14, !tbaa !15
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%1 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !19, !tbaa !15
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%add.i = add nsw i32 %1, 2, !dbg !19
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store volatile i32 %add.i, i32* @"\01?x@@3HC", align 4, !dbg !19, !tbaa !15
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%2 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !24, !tbaa !15
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%add.i.i = add nsw i32 %2, 3, !dbg !24
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store volatile i32 %add.i.i, i32* @"\01?x@@3HC", align 4, !dbg !24, !tbaa !15
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%3 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !28, !tbaa !15
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%add1.i = add nsw i32 %3, 2, !dbg !28
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store volatile i32 %add1.i, i32* @"\01?x@@3HC", align 4, !dbg !28, !tbaa !15
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%4 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !15
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%add1 = add nsw i32 %4, 1, !dbg !29
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store volatile i32 %add1, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !15
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%5 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !15
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ret i32 %5, !dbg !31
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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-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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8, !9}
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!llvm.ident = !{!10}
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!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)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
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!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
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!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"CodeView", i32 1}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"PIC Level", i32 2}
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!10 = !{!"clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)"}
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!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)
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!12 = !DISubroutineType(types: !13)
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!13 = !{!6}
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!14 = !DILocation(line: 9, column: 5, scope: !11)
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!15 = !{!16, !16, i64 0}
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!16 = !{!"int", !17, i64 0}
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!17 = !{!"omnipotent char", !18, i64 0}
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!18 = !{!"Simple C++ TBAA"}
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!19 = !DILocation(line: 4, column: 5, scope: !20, inlinedAt: !23)
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!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)
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!21 = !DISubroutineType(types: !22)
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!22 = !{null}
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!23 = distinct !DILocation(line: 10, column: 3, scope: !11)
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!24 = !DILocation(line: 2, column: 5, scope: !25, inlinedAt: !27)
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!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)
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!26 = !DIFile(filename: "./t.h", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!27 = distinct !DILocation(line: 5, column: 3, scope: !20, inlinedAt: !23)
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!28 = !DILocation(line: 6, column: 5, scope: !20, inlinedAt: !23)
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!29 = !DILocation(line: 11, column: 5, scope: !11)
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!30 = !DILocation(line: 12, column: 10, scope: !11)
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!31 = !DILocation(line: 12, column: 3, scope: !11)
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