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a5b2af0eae
Summary: Most DIExpressions are empty or very simple. When they are complex, they tend to be unique, so checking them inline is reasonable. This also avoids the need for CodeGen passes to append to the llvm.dbg.mir named md node. See also PR22780, for making DIExpression not be an MDNode. Reviewers: aprantl, dexonsmith, dblaikie Subscribers: qcolombet, javed.absar, eraman, hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D37075 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311594 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
; Test upgrade of dbg.dvalue intrinsics with offsets.
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;
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; RUN: llvm-dis < %s.bc | FileCheck %s
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; RUN: verify-uselistorder < %s.bc
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define void @f() !dbg !3 {
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entry:
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; CHECK-NOT: call void @llvm.dbg.value
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; CHECK: call void @llvm.dbg.value(metadata i32 42, metadata !8, metadata !DIExpression())
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call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !8, metadata !9), !dbg !10
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; CHECK-NOT: call void @llvm.dbg.value
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call void @llvm.dbg.value(metadata i32 0, i64 1, metadata !8, metadata !9), !dbg !10
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ret void
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}
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; CHECK: declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
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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_C99, file: !1, producer: "llc r309174", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "a.c", directory: "/")
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!2 = !{i32 1, !"Debug Info Version", i32 3}
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!3 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !4, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, variables: !7)
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!4 = !DISubroutineType(types: !5)
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!5 = !{!6}
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!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !{!8}
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!8 = !DILocalVariable(name: "i", scope: !3, file: !1, line: 2, type: !6)
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!9 = !DIExpression()
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!10 = !DILocation(line: 2, scope: !3)
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