[llvm] [LV][EVL] Generate negative strided load/store for reversed load/store (PR #123608)

[Pengcheng Wang via llvm-commits]

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@@ -2628,18 +2628,26 @@ void VPWidenLoadEVLRecipe::execute(VPTransformState &State) {
   Value *EVL = State.get(getEVL(), VPLane(0));
   Value *Addr = State.get(getAddr(), !CreateGather);
   Value *Mask = nullptr;
-  if (VPValue *VPMask = getMask()) {
+  if (VPValue *VPMask = getMask())
     Mask = State.get(VPMask);
-    if (isReverse())
-      Mask = createReverseEVL(Builder, Mask, EVL, "vp.reverse.mask");
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wangpc-pp wrote:

Aha, I removed it before but forgot to do it in later commits.

https://github.com/llvm/llvm-project/pull/123608