[llvm] Update the base and index value for masked gather (PR #130920)

[Craig Topper via llvm-commits]

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@@ -61619,3 +61624,99 @@ Align X86TargetLowering::getPrefLoopAlignment(MachineLoop *ML) const {
     return Align(1ULL << ExperimentalPrefInnermostLoopAlignment);
   return TargetLowering::getPrefLoopAlignment();
 }
+
+// Target override this function to decided whether it want to update the base
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topperc wrote:

decided -> decide

https://github.com/llvm/llvm-project/pull/130920