diff options
Diffstat (limited to 'clang/lib/CodeGen/CGExpr.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 9f30287..a071e80 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -1272,6 +1272,23 @@ void CodeGenFunction::EmitBoundsCheckImpl(const Expr *E, llvm::Value *Bound, EmitCheck(std::make_pair(Check, CheckKind), CheckHandler, StaticData, Index); } +void CodeGenFunction::EmitAllocToken(llvm::CallBase *CB, QualType AllocType) { + assert(SanOpts.has(SanitizerKind::AllocToken) && + "Only needed with -fsanitize=alloc-token"); + + PrintingPolicy Policy(CGM.getContext().getLangOpts()); + Policy.SuppressTagKeyword = true; + Policy.FullyQualifiedName = true; + SmallString<64> TypeName; + llvm::raw_svector_ostream TypeNameOS(TypeName); + AllocType.getCanonicalType().print(TypeNameOS, Policy); + auto *TypeMDS = llvm::MDString::get(CGM.getLLVMContext(), TypeNameOS.str()); + + // Format: !{<type-name>} + auto *MDN = llvm::MDNode::get(CGM.getLLVMContext(), {TypeMDS}); + CB->setMetadata(llvm::LLVMContext::MD_alloc_token, MDN); +} + CodeGenFunction::ComplexPairTy CodeGenFunction:: EmitComplexPrePostIncDec(const UnaryOperator *E, LValue LV, bool isInc, bool isPre) { |