diff options
Diffstat (limited to 'clang/lib/CodeGen/CGDebugInfo.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index 681a475..11e2d54 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -5766,28 +5766,16 @@ void CGDebugInfo::EmitPseudoVariable(CGBuilderTy &Builder, // it is loaded upon use, so we identify such pattern here. if (llvm::LoadInst *Load = dyn_cast<llvm::LoadInst>(Value)) { llvm::Value *Var = Load->getPointerOperand(); - if (llvm::Metadata *MDValue = llvm::ValueAsMetadata::getIfExists(Var)) { - if (llvm::Value *DbgValue = llvm::MetadataAsValue::getIfExists( - CGM.getLLVMContext(), MDValue)) { - for (llvm::User *U : DbgValue->users()) { - if (llvm::CallInst *DbgDeclare = dyn_cast<llvm::CallInst>(U)) { - if (DbgDeclare->getCalledFunction()->getIntrinsicID() == - llvm::Intrinsic::dbg_declare && - DbgDeclare->getArgOperand(0) == DbgValue) { - // There can be implicit type cast applied on a variable if it is - // an opaque ptr, in this case its debug info may not match the - // actual type of object being used as in the next instruction, so - // we will need to emit a pseudo variable for type-casted value. - llvm::DILocalVariable *MDNode = cast<llvm::DILocalVariable>( - cast<llvm::MetadataAsValue>(DbgDeclare->getOperand(1)) - ->getMetadata()); - if (MDNode->getType() == Type) - return; - } - } - } - } - } + // There can be implicit type cast applied on a variable if it is an opaque + // ptr, in this case its debug info may not match the actual type of object + // being used as in the next instruction, so we will need to emit a pseudo + // variable for type-casted value. + auto DeclareTypeMatches = [&](auto *DbgDeclare) { + return DbgDeclare->getVariable()->getType() == Type; + }; + if (any_of(llvm::findDbgDeclares(Var), DeclareTypeMatches) || + any_of(llvm::findDVRDeclares(Var), DeclareTypeMatches)) + return; } // Find the correct location to insert a sequence of instructions to |