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1; RUN: opt -passes=argpromotion -S %s -o - | FileCheck %s2 3; Fix for PR33641. ArgumentPromotion removed the argument to bar but left the call to4; dbg.value which still used the removed argument.5 6; The %p argument should be removed, and the use of it in dbg.value should be7; changed to poison.8 9%fun_t = type ptr10define void @foo() {11 %a = alloca i1612 call void @bar(ptr %a)13 ret void14}15 16define internal void @bar(ptr %p) {17; CHECK-LABEL: define {{.*}}void @bar()18; CHECK-NEXT: #dbg_value(ptr poison, !3, !DIExpression(), !519 call void @llvm.dbg.value(metadata ptr %p, metadata !3, metadata !DIExpression()), !dbg !520 ret void21}22 23declare void @llvm.dbg.value(metadata, metadata, metadata) #024 25attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }26 27!llvm.dbg.cu = !{!0}28!llvm.module.flags = !{!2}29 30!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)31!1 = !DIFile(filename: "test.c", directory: "")32!2 = !{i32 2, !"Debug Info Version", i32 3}33!3 = !DILocalVariable(name: "p", scope: !4)34!4 = distinct !DISubprogram(name: "bar", scope: null, spFlags: DISPFlagDefinition, unit: !0)35!5 = !DILocation(line: 1, column: 1, scope: !4)36