37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
; This test checks that strip-dead-debug-info pass doesn't delete debug compile
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; units if they are used by @llvm.dbg.* intrinsics
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; RUN: opt -passes='strip-dead-debug-info,verify' %s -S | FileCheck %s
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; CHECK: !llvm.dbg.cu = !{!{{[0-9]+}}, !{{[0-9]+}}}
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; CHECK-COUNT-2: !DICompileUnit
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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define void @func() {
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%a = alloca i64
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call void @llvm.dbg.value(metadata ptr %a, metadata !7, metadata !DIExpression()), !dbg !9
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ret void
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}
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!llvm.dbg.cu = !{!0, !1}
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!llvm.module.flags = !{!10}
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; We have two different compile units to able to check different paths of
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; finding compile units (intrinsic argument and attached location to instruction)
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !11)
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!1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !11)
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!2 = distinct !DISubprogram(name: "func", unit: !0)
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!3 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !2)
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!4 = !DIDerivedType(tag: DW_TAG_member, scope: !3, baseType: !5)
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!5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6)
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!6 = !DIBasicType(tag: DW_TAG_base_type)
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!7 = !DILocalVariable(name: "a", type: !5, scope: !8)
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!8 = distinct !DISubprogram(name: "func", unit: !1)
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!9 = !DILocation(scope: !8)
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !DIFile(filename: "a", directory: "")
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