78 lines
2.9 KiB
LLVM
78 lines
2.9 KiB
LLVM
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; RUN: llc < %s | FileCheck %s
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; C++ source to regenerate:
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; int main() {
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; volatile int x;
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; x = 1;
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; #line 0
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; x = 2;
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; #line 7
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; x = 3;
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; }
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; CHECK-LABEL: main: # @main
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; CHECK: .cv_loc 0 1 1 0 # t.cpp:1:0
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; CHECK: .cv_loc 0 1 3 0 # t.cpp:3:0
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; CHECK: movl $1, 4(%rsp)
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; CHECK-NOT: .cv_loc {{.*}} t.cpp:0:0
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; CHECK: movl $2, 4(%rsp)
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; CHECK: .cv_loc 0 1 7 0 # t.cpp:7:0
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; CHECK: movl $3, 4(%rsp)
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; CHECK: .cv_loc 0 1 8 0 # t.cpp:8:0
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; CHECK: xorl %eax, %eax
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; CHECK: retq
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.22.27905"
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; Function Attrs: norecurse nounwind uwtable
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define dso_local i32 @main() local_unnamed_addr #0 !dbg !8 {
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entry:
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%x = alloca i32, align 4
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%x.0.x.0..sroa_cast = bitcast i32* %x to i8*, !dbg !15
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call void @llvm.dbg.declare(metadata i32* %x, metadata !13, metadata !DIExpression()), !dbg !15
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store volatile i32 1, i32* %x, align 4, !dbg !16, !tbaa !17
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store volatile i32 2, i32* %x, align 4, !dbg !21, !tbaa !17
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store volatile i32 3, i32* %x, align 4, !dbg !22, !tbaa !17
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ret i32 0, !dbg !23
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
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attributes #0 = { norecurse nounwind uwtable }
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attributes #1 = { argmemonly nounwind willreturn }
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attributes #2 = { nounwind readnone speculatable willreturn }
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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_C_plus_plus_14, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "8b6d53b166e6fa660f115eff7beedf3b")
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!2 = !{}
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!3 = !{i32 2, !"CodeView", i32 1}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 2}
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!6 = !{i32 7, !"PIC Level", i32 2}
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!7 = !{!"clang version 10.0.0"}
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!8 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !{!13}
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!13 = !DILocalVariable(name: "x", scope: !8, file: !1, line: 2, type: !14)
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!14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
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!15 = !DILocation(line: 2, scope: !8)
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!16 = !DILocation(line: 3, scope: !8)
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!17 = !{!18, !18, i64 0}
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!18 = !{!"int", !19, i64 0}
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!19 = !{!"omnipotent char", !20, i64 0}
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!20 = !{!"Simple C++ TBAA"}
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!21 = !DILocation(line: 0, scope: !8)
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!22 = !DILocation(line: 7, scope: !8)
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!23 = !DILocation(line: 8, scope: !8)
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