================
@@ -4149,6 +4185,34 @@ static Value *upgradeX86IntrinsicCall(StringRef Name,
CallBase *CI, Function *F,
Value *Args[] = {CI->getArgOperand(0), CI->getArgOperand(1),
CI->getArgOperand(2)};
+
+ // Input arguments types were incorrectly set to vectors of i32 before but
+ // they should be vectors of i8. Insert bit cast when encountering the old
+ // types
+ if (Args[1]->getType()->isVectorTy() &&
+ cast<VectorType>(Args[1]->getType())
+ ->getElementType()
+ ->isIntegerTy(32) &&
+ Args[2]->getType()->isVectorTy() &&
+ cast<VectorType>(Args[2]->getType())
+ ->getElementType()
+ ->isIntegerTy(32)) {
+ Type *NewArgType = nullptr;
+ if (VecWidth == 128)
+ NewArgType = VectorType::get(Builder.getInt8Ty(), 16, false);
+ else if (VecWidth == 256)
+ NewArgType = VectorType::get(Builder.getInt8Ty(), 32, false);
+ else if (VecWidth == 512)
+ NewArgType = VectorType::get(Builder.getInt8Ty(), 64, false);
+ else
+ llvm_unreachable("Unexpected vector bit width");
+
+ if (NewArgType) {
----------------
phoebewang wrote:
No need check the condition.
https://github.com/llvm/llvm-project/pull/155194
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