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Revert "Add a verifier check that rejects non-distinct DISubprogram function"

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This reverts commit e17f52d623cc146b7d9bf5a2e02965043508b4c4.

while investigating bot breakage.
This commit is contained in:
Adrian Prantl 2020-09-25 10:51:54 -07:00
parent 232a67949a
commit c9f20079f3
3 changed files with 1 additions and 21 deletions
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4
lib/IR/Verifier.cpp
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@ -2433,10 +2433,6 @@ void Verifier::visitFunction(const Function &F) {
"function must have a single !dbg attachment", &F, I.second);
AssertDI(isa<DISubprogram>(I.second),
"function !dbg attachment must be a subprogram", &F, I.second);
AssertDI(cast<DISubprogram>(I.second)->isDistinct(),
"function definition may only have a distinct !dbg attachment",
&F);
auto *SP = cast<DISubprogram>(I.second);
const Function *&AttachedTo = DISubprogramAttachments[SP];
AssertDI(!AttachedTo || AttachedTo == &F,

2
test/DebugInfo/Generic/2009-11-03-InsertExtractValue.ll
View File

@ -3,7 +3,7 @@
!llvm.module.flags = !{!6}
!llvm.dbg.cu = !{!5}
!0 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagProtected | DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !4, scope: !1, type: !2)
!0 = !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagProtected | DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !4, scope: !1, type: !2)
!1 = !DIFile(filename: "/foo", directory: "bar.cpp")
!2 = !DISubroutineType(types: !3)
!3 = !{null}

16
test/Verifier/unique-disubprogram.ll
View File

@ -1,16 +0,0 @@
; RUN: llvm-as -disable-output <%s 2>&1| FileCheck %s
define i32 @_Z3foov() local_unnamed_addr !dbg !9 {
ret i32 5
}
!llvm.module.flags = !{!2}
!llvm.dbg.cu = !{!5}
!llvm.linker.options = !{}
!2 = !{i32 2, !"Debug Info Version", i32 3}
!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !6, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!6 = !DIFile(filename: "t.cpp", directory: "/")
!7 = !{}
; CHECK: function definition may only have a distinct !dbg attachment
; CHECK: warning: ignoring invalid debug info
!9 = !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !6, file: !6, line: 2, type: !11, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !7)
!11 = !DISubroutineType(types: !7)