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| author | David Majnemer <david.majnemer@gmail.com> | 2014-05-01 17:50:17 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-05-01 17:50:17 +0000 |
| commit | daff37013c0019afca0ee052a86b03785e2cd2de (patch) | |
| tree | 099cd132386b04750fe8adf75e6abbc4889ccc11 /clang/lib/AST/ItaniumMangle.cpp | |
| parent | 0db806b7f942b8ab5495fc31cf672975642ebb10 (diff) | |
| download | bcm5719-llvm-daff37013c0019afca0ee052a86b03785e2cd2de.tar.gz bcm5719-llvm-daff37013c0019afca0ee052a86b03785e2cd2de.zip | |
AST: Mangle reference temporaries reliably
Summary:
Previously, we would generate a single name for all reference
temporaries and allow LLVM to rename them for us. Instead, number the
reference temporaries as we build them in Sema.
Reviewers: rsmith
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D3554
llvm-svn: 207776
Diffstat (limited to 'clang/lib/AST/ItaniumMangle.cpp')
| -rw-r--r-- | clang/lib/AST/ItaniumMangle.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp index f7dbf09d152..7105af2a761 100644 --- a/clang/lib/AST/ItaniumMangle.cpp +++ b/clang/lib/AST/ItaniumMangle.cpp @@ -136,7 +136,8 @@ public: void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, const ThisAdjustment &ThisAdjustment, raw_ostream &) override; - void mangleReferenceTemporary(const VarDecl *D, raw_ostream &) override; + void mangleReferenceTemporary(const VarDecl *D, unsigned ManglingNumber, + raw_ostream &) override; void mangleCXXVTable(const CXXRecordDecl *RD, raw_ostream &) override; void mangleCXXVTT(const CXXRecordDecl *RD, raw_ostream &) override; void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, @@ -3782,12 +3783,16 @@ ItaniumMangleContextImpl::mangleItaniumThreadLocalWrapper(const VarDecl *D, } void ItaniumMangleContextImpl::mangleReferenceTemporary(const VarDecl *D, + unsigned ManglingNumber, raw_ostream &Out) { // We match the GCC mangling here. // <special-name> ::= GR <object name> CXXNameMangler Mangler(*this, Out); Mangler.getStream() << "_ZGR"; Mangler.mangleName(D); + assert(ManglingNumber > 0 && "Reference temporary mangling number is zero!"); + if (ManglingNumber > 1) + Mangler.mangleNumber(ManglingNumber - 2); } void ItaniumMangleContextImpl::mangleCXXVTable(const CXXRecordDecl *RD, |
