| ; RUN: llc < %s | FileCheck %s |
| |
| ; C++ source to regenerate: |
| ; int main() { |
| ; volatile int x; |
| ; x = 1; |
| ; #line 0 |
| ; x = 2; |
| ; #line 7 |
| ; x = 3; |
| ; } |
| |
| |
| ; CHECK-LABEL: main: # @main |
| ; CHECK: .cv_loc 0 1 1 0 # t.cpp:1:0 |
| ; CHECK: .cv_loc 0 1 3 0 # t.cpp:3:0 |
| ; CHECK: movl $1, 4(%rsp) |
| ; CHECK-NOT: .cv_loc {{.*}} t.cpp:0:0 |
| ; CHECK: movl $2, 4(%rsp) |
| ; CHECK: .cv_loc 0 1 7 0 # t.cpp:7:0 |
| ; CHECK: movl $3, 4(%rsp) |
| ; CHECK: .cv_loc 0 1 8 0 # t.cpp:8:0 |
| ; CHECK: xorl %eax, %eax |
| ; CHECK: retq |
| |
| ; ModuleID = 't.cpp' |
| source_filename = "t.cpp" |
| target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc19.22.27905" |
| |
| ; Function Attrs: norecurse nounwind uwtable |
| define dso_local i32 @main() local_unnamed_addr #0 !dbg !8 { |
| entry: |
| %x = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata ptr %x, metadata !13, metadata !DIExpression()), !dbg !15 |
| store volatile i32 1, ptr %x, align 4, !dbg !16, !tbaa !17 |
| store volatile i32 2, ptr %x, align 4, !dbg !21, !tbaa !17 |
| store volatile i32 3, ptr %x, align 4, !dbg !22, !tbaa !17 |
| ret i32 0, !dbg !23 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 |
| |
| attributes #0 = { norecurse nounwind uwtable } |
| attributes #1 = { argmemonly nounwind willreturn } |
| attributes #2 = { nounwind readnone speculatable willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6} |
| !llvm.ident = !{!7} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) |
| !1 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "8b6d53b166e6fa660f115eff7beedf3b") |
| !2 = !{} |
| !3 = !{i32 2, !"CodeView", i32 1} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 2} |
| !6 = !{i32 7, !"PIC Level", i32 2} |
| !7 = !{!"clang version 10.0.0"} |
| !8 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!11} |
| !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !12 = !{!13} |
| !13 = !DILocalVariable(name: "x", scope: !8, file: !1, line: 2, type: !14) |
| !14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11) |
| !15 = !DILocation(line: 2, scope: !8) |
| !16 = !DILocation(line: 3, scope: !8) |
| !17 = !{!18, !18, i64 0} |
| !18 = !{!"int", !19, i64 0} |
| !19 = !{!"omnipotent char", !20, i64 0} |
| !20 = !{!"Simple C++ TBAA"} |
| !21 = !DILocation(line: 0, scope: !8) |
| !22 = !DILocation(line: 7, scope: !8) |
| !23 = !DILocation(line: 8, scope: !8) |
