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6cd76408bf
This patch updates tests using llvm-readobj and llvm-readelf, because soon reading from stdin will be achievable only via a '-' as described here: https://bugs.llvm.org/show_bug.cgi?id=46400. Patch with changes to llvm-readobj behavior is here: https://reviews.llvm.org/D83704 Differential Revision: https://reviews.llvm.org/D83912 Reviewed by: jhenderson, MaskRay, grimar
177 lines
7.7 KiB
LLVM
177 lines
7.7 KiB
LLVM
; RUN: llc -enable-shrink-wrap=true < %s | FileCheck %s --check-prefix=ASM
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; RUN: llc -enable-shrink-wrap=true -filetype=obj < %s | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
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; C source:
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; int doSomething(int*);
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; int __fastcall shrink_wrap_basic(int a, int b, int c, int d) {
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; if (a < b)
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; return a;
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; for (int i = c; i < d; ++i)
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; doSomething(&c);
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; return doSomething(&c);
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; }
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; ASM: @shrink_wrap_basic@16: # @"\01@shrink_wrap_basic@16"
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; ASM: .cv_fpo_proc @shrink_wrap_basic@16 8
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; ASM: .cv_loc 0 1 3 9 # t.c:3:9
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; ASM: movl %ecx, %eax
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; ASM: cmpl %edx, %ecx
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; ASM: jl [[EPILOGUE:LBB0_[0-9]+]]
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; ASM: pushl %ebx
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; ASM: .cv_fpo_pushreg %ebx
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; ASM: pushl %edi
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; ASM: .cv_fpo_pushreg %edi
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; ASM: pushl %esi
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; ASM: .cv_fpo_pushreg %esi
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; ASM: .cv_fpo_endprologue
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; ASM: calll _doSomething
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; ASM: popl %esi
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; ASM: popl %edi
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; ASM: popl %ebx
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; ASM: [[EPILOGUE]]: # %return
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; ASM: retl $8
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; ASM: Ltmp10:
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; ASM: .cv_fpo_endproc
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; Note how RvaStart advances 7 bytes to skip the shrink-wrapped portion.
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; OBJ: SubSectionType: FrameData (0xF5)
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; OBJ: FrameData {
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; OBJ: RvaStart: 0x0
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; OBJ: CodeSize: 0x36
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; OBJ: PrologSize: 0x9
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; OBJ: FrameFunc [
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; OBJ-NEXT: $T0 .raSearch =
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; OBJ-NEXT: $eip $T0 ^ =
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; OBJ-NEXT: $esp $T0 4 + =
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; OBJ-NEXT: ]
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; OBJ: }
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; OBJ: FrameData {
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; OBJ: RvaStart: 0x7
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; OBJ: CodeSize: 0x2F
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; OBJ: PrologSize: 0x2
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; OBJ: FrameFunc [
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; OBJ-NEXT: $T0 .raSearch =
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; OBJ-NEXT: $eip $T0 ^ =
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; OBJ-NEXT: $esp $T0 4 + =
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; OBJ-NEXT: $ebx $T0 4 - ^ =
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; OBJ-NEXT: ]
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; OBJ: }
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; OBJ: FrameData {
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; OBJ: RvaStart: 0x8
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; OBJ: CodeSize: 0x2E
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; OBJ: PrologSize: 0x1
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; OBJ: FrameFunc [
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; OBJ-NEXT: $T0 .raSearch =
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; OBJ-NEXT: $eip $T0 ^ =
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; OBJ-NEXT: $esp $T0 4 + =
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; OBJ-NEXT: $ebx $T0 4 - ^ =
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; OBJ-NEXT: $edi $T0 8 - ^ =
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; OBJ-NEXT: ]
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; OBJ: }
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; OBJ: FrameData {
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; OBJ: RvaStart: 0x9
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; OBJ: CodeSize: 0x2D
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; OBJ: PrologSize: 0x0
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; OBJ: FrameFunc [
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; OBJ-NEXT: $T0 .raSearch =
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; OBJ-NEXT: $eip $T0 ^ =
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; OBJ-NEXT: $esp $T0 4 + =
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; OBJ-NEXT: $ebx $T0 4 - ^ =
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; OBJ-NEXT: $edi $T0 8 - ^ =
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; OBJ-NEXT: $esi $T0 12 - ^ =
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; OBJ-NEXT: ]
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; OBJ: }
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; OBJ-NOT: FrameData
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; ModuleID = 't.c'
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source_filename = "t.c"
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i386-pc-windows-msvc19.11.25508"
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; Function Attrs: nounwind
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define x86_fastcallcc i32 @"\01@shrink_wrap_basic@16"(i32 inreg %a, i32 inreg %b, i32 %c, i32 %d) local_unnamed_addr #0 !dbg !8 {
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entry:
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%c.addr = alloca i32, align 4
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tail call void @llvm.dbg.value(metadata i32 %d, metadata !13, metadata !DIExpression()), !dbg !19
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tail call void @llvm.dbg.value(metadata i32 %c, metadata !14, metadata !DIExpression()), !dbg !20
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store i32 %c, i32* %c.addr, align 4, !tbaa !21
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tail call void @llvm.dbg.value(metadata i32 %b, metadata !15, metadata !DIExpression()), !dbg !25
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tail call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !26
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%cmp = icmp slt i32 %a, %b, !dbg !27
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br i1 %cmp, label %return, label %for.cond.preheader, !dbg !29
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for.cond.preheader: ; preds = %entry
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br label %for.cond, !dbg !30
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for.cond: ; preds = %for.cond.preheader, %for.cond
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%i.0 = phi i32 [ %inc, %for.cond ], [ %c, %for.cond.preheader ]
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call void @llvm.dbg.value(metadata i32 %i.0, metadata !17, metadata !DIExpression()), !dbg !32
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%cmp1 = icmp slt i32 %i.0, %d, !dbg !30
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call void @llvm.dbg.value(metadata i32* %c.addr, metadata !14, metadata !DIExpression()), !dbg !20
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%call = call i32 @doSomething(i32* nonnull %c.addr) #3, !dbg !33
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%inc = add nsw i32 %i.0, 1, !dbg !34
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call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !32
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br i1 %cmp1, label %for.cond, label %return, !dbg !35, !llvm.loop !36
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return: ; preds = %for.cond, %entry
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%retval.0 = phi i32 [ %a, %entry ], [ %call, %for.cond ]
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ret i32 %retval.0, !dbg !38
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}
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declare i32 @doSomething(i32*) local_unnamed_addr #1
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone speculatable }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "t.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "32f118fd5dd7e65ff7733c49b2f804ef")
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!2 = !{}
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!3 = !{i32 1, !"NumRegisterParameters", i32 0}
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!4 = !{i32 2, !"CodeView", i32 1}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = !{i32 1, !"wchar_size", i32 2}
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!7 = !{!"clang version 6.0.0 "}
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!8 = distinct !DISubprogram(name: "shrink_wrap_basic", linkageName: "\01@shrink_wrap_basic@16", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
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!9 = !DISubroutineType(cc: DW_CC_BORLAND_msfastcall, types: !10)
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!10 = !{!11, !11, !11, !11, !11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !{!13, !14, !15, !16, !17}
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!13 = !DILocalVariable(name: "d", arg: 4, scope: !8, file: !1, line: 2, type: !11)
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!14 = !DILocalVariable(name: "c", arg: 3, scope: !8, file: !1, line: 2, type: !11)
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!15 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 2, type: !11)
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!16 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 2, type: !11)
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!17 = !DILocalVariable(name: "i", scope: !18, file: !1, line: 5, type: !11)
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!18 = distinct !DILexicalBlock(scope: !8, file: !1, line: 5, column: 3)
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!19 = !DILocation(line: 2, column: 59, scope: !8)
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!20 = !DILocation(line: 2, column: 52, scope: !8)
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!21 = !{!22, !22, i64 0}
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!22 = !{!"int", !23, i64 0}
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!23 = !{!"omnipotent char", !24, i64 0}
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!24 = !{!"Simple C/C++ TBAA"}
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!25 = !DILocation(line: 2, column: 45, scope: !8)
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!26 = !DILocation(line: 2, column: 38, scope: !8)
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!27 = !DILocation(line: 3, column: 9, scope: !28)
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!28 = distinct !DILexicalBlock(scope: !8, file: !1, line: 3, column: 7)
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!29 = !DILocation(line: 3, column: 7, scope: !8)
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!30 = !DILocation(line: 5, column: 21, scope: !31)
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!31 = distinct !DILexicalBlock(scope: !18, file: !1, line: 5, column: 3)
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!32 = !DILocation(line: 5, column: 12, scope: !18)
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!33 = !DILocation(line: 0, scope: !8)
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!34 = !DILocation(line: 5, column: 26, scope: !31)
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!35 = !DILocation(line: 5, column: 3, scope: !18)
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!36 = distinct !{!36, !35, !37}
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!37 = !DILocation(line: 6, column: 19, scope: !18)
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!38 = !DILocation(line: 8, column: 1, scope: !8)
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