37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
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; RUN: opt -argpromotion -S %s -o - | FileCheck %s
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; RUN: opt -passes=argpromotion -S %s -o - | FileCheck %s
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; Fix for PR33641. ArgumentPromotion removed the argument to bar but left the call to
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; dbg.value which still used the removed argument.
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; The %p argument should be removed, and the use of it in dbg.value should be
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; changed to undef.
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%fun_t = type void (i16*)*
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define void @foo() {
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%a = alloca i16
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call void @bar(i16* %a)
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ret void
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}
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define internal void @bar(i16* %p) {
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; CHECK-LABEL: define {{.*}}void @bar()
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i16* undef, metadata !3, metadata !DIExpression()), !dbg !5
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call void @llvm.dbg.value(metadata i16* %p, metadata !3, metadata !DIExpression()), !dbg !5
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ret void
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
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!1 = !DIFile(filename: "test.c", directory: "")
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!2 = !{i32 2, !"Debug Info Version", i32 3}
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!3 = !DILocalVariable(name: "p", scope: !4)
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!4 = distinct !DISubprogram(name: "bar", scope: null, spFlags: DISPFlagDefinition, unit: !0)
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!5 = !DILocation(line: 1, column: 1, scope: !4)
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