[llvm] [LV][EVL] Support call instruction with EVL-vectorization (PR #110412)

[Mel Chen via llvm-commits]

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@@ -1484,6 +1484,27 @@ static void transformRecipestoEVLRecipes(VPlan &Plan, VPValue &EVL) {
                 VPValue *NewMask = GetNewMask(Red->getCondOp());
                 return new VPReductionEVLRecipe(*Red, EVL, NewMask);
               })
+              .Case<VPWidenIntrinsicRecipe>(
+                  [&](VPWidenIntrinsicRecipe *CInst) -> VPRecipeBase * {
+                    auto *CI = cast<CallInst>(CInst->getUnderlyingInstr());
+                    Intrinsic::ID VPID = VPIntrinsic::getForIntrinsic(
+                        CI->getCalledFunction()->getIntrinsicID());
+                    if (VPID == Intrinsic::not_intrinsic)
+                      return nullptr;
+
+                    SmallVector<VPValue *> Ops(CInst->operands());
+                    if (VPIntrinsic::getMaskParamPos(VPID)) {
+                      VPValue *Mask = Plan.getOrAddLiveIn(ConstantInt::getTrue(
+                          IntegerType::getInt1Ty(CI->getContext())));
+                      Ops.push_back(Mask);
+                    }
+                    if (VPIntrinsic::getVectorLengthParamPos(VPID)) {
+                      Ops.push_back(&EVL);
+                    }
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Mel-Chen wrote:

No need the braces

https://github.com/llvm/llvm-project/pull/110412