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bd79db219f
Summary: This represents the adjustment applied to the implicit 'this' parameter in the prologue of a virtual method in the MS C++ ABI. The adjustment is always zero unless multiple inheritance is involved. This increases the size of DISubprogram by 8 bytes, unfortunately. The adjustment really is a signed 32-bit integer. If this size increase is too much, we could probably win it back by splitting out a subclass with info specific to virtual methods (virtuality, vindex, thisadjustment, containingType). Reviewers: aprantl, dexonsmith Subscribers: aaboud, amccarth, llvm-commits Differential Revision: http://reviews.llvm.org/D21614 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274325 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
; RUN: llvm-dis < %s.bc | FileCheck %s
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; RUN: verify-uselistorder < %s.bc
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; Test upgrading from bitcode without a this adjustment record. It will fill in
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; an implicit zero thisAdjustment, so it will not be present in the output.
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; CHECK: DISubprogram(name: "f",
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; CHECK-NOT: thisAdjustment
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; CHECK-SAME: ){{$}}
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.0.23918"
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; Function Attrs: nounwind uwtable
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define void @f() !dbg !7 {
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entry:
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ret void, !dbg !10
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, emissionKind: FullDebug)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!7 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}
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!10 = !DILocation(line: 1, column: 11, scope: !7)
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