forked from OSchip/llvm-project
42 lines
2.1 KiB
LLVM
42 lines
2.1 KiB
LLVM
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; RUN: llc %s -start-after=codegenprepare -stop-before=finalize-isel -o - | FileCheck %s
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;; %y is unused and cannot (FIXME: currently) be salvaged. Ensure that the
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;; variadic dbg_value using %y becomes undef.
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; CHECK: ![[C:[0-9]+]] = !DILocalVariable(name: "c",
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; CHECK: DBG_VALUE_LIST ![[C]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_stack_value), $noreg, $noreg, debug-location
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target triple = "x86_64-pc-windows-msvc19.16.27034"
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define dso_local i32 @"?foo@@YAHHH@Z"(i32 %a, i32 %b) local_unnamed_addr !dbg !8 {
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entry:
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%x = add i32 %a, %b
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%y = mul i32 %x, %b
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call void @llvm.dbg.value(metadata !DIArgList(i32 %x, i32 %y), metadata !16, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_stack_value)), !dbg !17
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ret i32 %x
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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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, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "test.cpp", directory: "/")
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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 11.0.0"}
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!8 = distinct !DISubprogram(name: "foo", linkageName: "?foo@@YAHHH@Z", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)
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!9 = !DIFile(filename: "test.cpp", directory: "/")
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!10 = !DISubroutineType(types: !11)
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!11 = !{!12, !12, !12}
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!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!13 = !{!14, !15, !16}
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!14 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !9, line: 1, type: !12)
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!15 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !9, line: 1, type: !12)
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!16 = !DILocalVariable(name: "c", scope: !8, file: !9, line: 2, type: !12)
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!17 = !DILocation(line: 0, scope: !8)
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