| # RUN: llc -mtriple=x86_64-unknown-windows-msvc -start-before=x86-flags-copy-lowering -o - %s | FileCheck %s |
| # |
| # Test the emission of heap alloc site instruction labels. |
| |
| --- | |
| declare i8* @alloc(i32) nounwind |
| |
| define i32 @test(i32 %x) nounwind !dbg !6 { |
| entry: |
| call i8* @alloc(i32 %x), !dbg !11, !heapallocsite !2 |
| ret i32 0, !dbg !12 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) |
| !1 = !DIFile(filename: "<stdin>", directory: "") |
| !2 = !{} |
| !3 = !{i32 2, !"CodeView", i32 1} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 2} |
| !6 = distinct !DISubprogram(name: "test", scope: !7, file: !7, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !7 = !DIFile(filename: "test.c", directory: "") |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !10} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !DILocation(line: 3, scope: !6) |
| !12 = !DILocation(line: 4, scope: !6) |
| |
| ... |
| --- |
| name: test |
| # CHECK-LABEL: {{^}}test: |
| tracksRegLiveness: true |
| frameInfo: |
| hasCalls: true |
| body: | |
| bb.0.entry: |
| liveins: $ecx |
| |
| ADJCALLSTACKDOWN64 32, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !11 |
| CALL64pcrel32 @alloc, csr_win64, implicit $rsp, implicit $ssp, implicit $ecx, implicit-def $rsp, implicit-def $ssp, implicit-def dead $rax, heap-alloc-marker !2, debug-location !11 |
| ; CHECK: callq alloc |
| ; CHECK-NEXT: .Ltmp{{.*}}: |
| ADJCALLSTACKUP64 32, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !11 |
| $eax = MOV32r0 implicit-def dead $eflags, debug-location !12 |
| RET 0, killed $eax, debug-location !12 |
| |
| ... |