[llvm] [ScalarizeMaskedMemIntrin] Use pointer alignment from pointer of masked.compressstore/expandload. (PR #83519)

[Craig Topper via llvm-commits]

================
@@ -627,6 +627,7 @@ static void scalarizeMaskedExpandLoad(const DataLayout &DL, CallInst *CI,
   Value *Ptr = CI->getArgOperand(0);
   Value *Mask = CI->getArgOperand(1);
   Value *PassThru = CI->getArgOperand(2);
+  Align Alignment = Ptr->getPointerAlignment(DL);
----------------
topperc wrote:

I think we should be using CI->getParamAlign here.

https://github.com/llvm/llvm-project/pull/83519