diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index e8b60f890c29b4d156dbf82a0db44582fead2578..f3591879f7bb039c14f2bbe9bd7682d14ed884f6 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -11233,7 +11233,8 @@ static bool TryToSinkInstruction(Instruction *I, BasicBlock *DestBlock) { assert(I->hasOneUse() && "Invariants didn't hold!"); // Cannot move control-flow-involving, volatile loads, vaarg, etc. - if (isa(I) || I->mayWriteToMemory()) return false; + if (isa(I) || I->mayWriteToMemory() || isa(I)) + return false; // Do not sink alloca instructions out of the entry block. if (isa(I) && I->getParent() ==