diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp index 2ed335c95c1..e917dc80b58 100644 --- a/lib/Transforms/Utils/InlineFunction.cpp +++ b/lib/Transforms/Utils/InlineFunction.cpp @@ -443,8 +443,9 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) { // uses of the returned value. if (!TheCall->use_empty()) { ReturnInst *R = Returns[0]; - if (isa(TheCall->getType())) { - // Multiple return values. + if (isa(TheCall->getType()) && + TheCall->getType() != R->getOperand(0)->getType()) { + // Multiple-value return statements. while (!TheCall->use_empty()) { GetResultInst *GR = cast(TheCall->use_back()); Value *RV = R->getOperand(GR->getIndex()); @@ -509,6 +510,13 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) { // any users of the original call/invoke instruction. const Type *RTy = CalledFunc->getReturnType(); const StructType *STy = dyn_cast(RTy); + + // We do special handling for multiple-value return statements. If this is + // a plain aggregate return, don't do the special handling. + if (!Returns.empty() && Returns[0]->getNumOperands() != 0 && + Returns[0]->getOperand(0)->getType() == STy) + STy = 0; + if (Returns.size() > 1 || STy) { // The PHI node should go at the front of the new basic block to merge all // possible incoming values.