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