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[VPlan] Improve code using drop_begin, append_range (NFC) #163934

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Merged
merged 1 commit into from
Oct 20, 2025
Merged

[VPlan] Improve code using drop_begin, append_range (NFC) #163934

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7 changes: 3 additions & 4 deletions llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ bool VPlanTransforms::tryToConvertVPInstructionsToVPRecipes(
return false;
NewRecipe = new VPWidenIntrinsicRecipe(
*CI, getVectorIntrinsicIDForCall(CI, &TLI),
{Ingredient.op_begin(), Ingredient.op_end() - 1}, CI->getType(),
drop_end(Ingredient.operands()), CI->getType(),
CI->getDebugLoc());
} else if (SelectInst *SI = dyn_cast<SelectInst>(Inst)) {
NewRecipe = new VPWidenSelectRecipe(*SI, Ingredient.operands());
Expand Down Expand Up @@ -356,8 +356,7 @@ static VPRegionBlock *createReplicateRegion(VPReplicateRecipe *PredRecipe,
// Replace predicated replicate recipe with a replicate recipe without a
// mask but in the replicate region.
auto *RecipeWithoutMask = new VPReplicateRecipe(
PredRecipe->getUnderlyingInstr(),
make_range(PredRecipe->op_begin(), std::prev(PredRecipe->op_end())),
PredRecipe->getUnderlyingInstr(), drop_end(PredRecipe->operands()),
PredRecipe->isSingleScalar(), nullptr /*Mask*/, *PredRecipe);
auto *Pred =
Plan.createVPBasicBlock(Twine(RegionName) + ".if", RecipeWithoutMask);
Expand Down Expand Up @@ -939,7 +938,7 @@ static void recursivelyDeleteDeadRecipes(VPValue *V) {
continue;
if (!isDeadRecipe(*R))
continue;
WorkList.append(R->op_begin(), R->op_end());
append_range(WorkList, R->operands());
R->eraseFromParent();
}
}
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