[llvm] [AutoUpgrade] Handle invalid x86 intrinsics (PR #179374)

[Stefan Weigl-Bosker via llvm-commits]

================
@@ -3631,6 +3633,9 @@ static Value *upgradeX86IntrinsicCall(StringRef Name, CallBase *CI, Function *F,
     unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
     unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements();
 
+    if (Name == "sse2.pshufl.w" && NumElts % 8 != 0)
----------------
sweiglbosker wrote:

Are you testing godbolt or your branch? Because some might already be handled by this pr.

https://github.com/llvm/llvm-project/pull/179374