Index: lib/Transforms/Scalar/SROA.cpp =================================================================== --- lib/Transforms/Scalar/SROA.cpp +++ lib/Transforms/Scalar/SROA.cpp @@ -2708,7 +2708,10 @@ // the old pointer, which necessarily must be in the right position to // dominate the PHI. IRBuilderTy PtrBuilder(IRB); - PtrBuilder.SetInsertPoint(OldPtr); + if (isa(OldPtr) || isa(OldPtr)) + PtrBuilder.SetInsertPoint(OldPtr->getParent()->getFirstInsertionPt()); + else + PtrBuilder.SetInsertPoint(OldPtr); PtrBuilder.SetCurrentDebugLocation(OldPtr->getDebugLoc()); Value *NewPtr = getNewAllocaSlicePtr(PtrBuilder, OldPtr->getType());