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[LV] Record memory widening decisions (NFCI)

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Record widening decisions for memory operations within the planned recipes and
use the recorded decisions in code-gen rather than querying the cost model.

Differential Revision: https://reviews.llvm.org/D110479
This commit is contained in:
Gil Rapaport
2021-09-21 18:02:30 +03:00
parent 251b1e7c25
commit 1156bd4fc3
4 changed files with 46 additions and 36 deletions
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6
llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
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@@ -61,12 +61,12 @@ void VPlanTransforms::VPInstructionsToVPRecipes(
if (LoadInst *Load = dyn_cast<LoadInst>(Inst)) {
NewRecipe = new VPWidenMemoryInstructionRecipe(
*Load, Plan->getOrAddVPValue(getLoadStorePointerOperand(Inst)),
nullptr /*Mask*/);
nullptr /*Mask*/, false /*Consecutive*/, false /*Reverse*/);
} else if (StoreInst *Store = dyn_cast<StoreInst>(Inst)) {
NewRecipe = new VPWidenMemoryInstructionRecipe(
*Store, Plan->getOrAddVPValue(getLoadStorePointerOperand(Inst)),
Plan->getOrAddVPValue(Store->getValueOperand()),
nullptr /*Mask*/);
Plan->getOrAddVPValue(Store->getValueOperand()), nullptr /*Mask*/,
false /*Consecutive*/, false /*Reverse*/);
} else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Inst)) {
NewRecipe = new VPWidenGEPRecipe(
GEP, Plan->mapToVPValues(GEP->operands()), OrigLoop);