[VectorUtils] Simplify the code by new function InterleaveGroup::isFull. nfc#151112
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[VectorUtils] Simplify the code by new function InterleaveGroup::isFull. nfc#151112
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@llvm/pr-subscribers-vectorizers @llvm/pr-subscribers-llvm-analysis Author: Mel Chen (Mel-Chen) Changes4 Files Affected:
diff --git a/llvm/include/llvm/Analysis/VectorUtils.h b/llvm/include/llvm/Analysis/VectorUtils.h
index b55c4e0a6bf76..7a6b16cedc6a3 100644
--- a/llvm/include/llvm/Analysis/VectorUtils.h
+++ b/llvm/include/llvm/Analysis/VectorUtils.h
@@ -633,6 +633,9 @@ template <typename InstTy> class InterleaveGroup {
return true;
}
+ /// Return true if the group has no gaps.
+ bool isFull() const { return getNumMembers() == getFactor(); }
+
private:
uint32_t Factor; // Interleave Factor.
bool Reverse;
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
index 150ddced03b15..b3b4c37475eef 100644
--- a/llvm/lib/Analysis/VectorUtils.cpp
+++ b/llvm/lib/Analysis/VectorUtils.cpp
@@ -1117,7 +1117,7 @@ Constant *
llvm::createBitMaskForGaps(IRBuilderBase &Builder, unsigned VF,
const InterleaveGroup<Instruction> &Group) {
// All 1's means mask is not needed.
- if (Group.getNumMembers() == Group.getFactor())
+ if (Group.isFull())
return nullptr;
// TODO: support reversed access.
@@ -1663,7 +1663,7 @@ void InterleavedAccessInfo::analyzeInterleaving(
// Case 1: A full group. Can Skip the checks; For full groups, if the wide
// load would wrap around the address space we would do a memory access at
// nullptr even without the transformation.
- if (Group->getNumMembers() == Group->getFactor())
+ if (Group->isFull())
continue;
// Case 2: If first and last members of the group don't wrap this implies
@@ -1698,7 +1698,7 @@ void InterleavedAccessInfo::analyzeInterleaving(
// Case 1: A full group. Can Skip the checks; For full groups, if the wide
// store would wrap around the address space we would do a memory access at
// nullptr even without the transformation.
- if (Group->getNumMembers() == Group->getFactor())
+ if (Group->isFull())
continue;
// Interleave-store-group with gaps is implemented using masked wide store.
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 7b7efb8c6309e..9c06ef990a600 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3131,7 +3131,7 @@ bool LoopVectorizationCostModel::interleavedAccessCanBeWidened(
isa<LoadInst>(I) && Group->requiresScalarEpilogue() &&
!isScalarEpilogueAllowed();
bool StoreAccessWithGapsRequiresMasking =
- isa<StoreInst>(I) && (Group->getNumMembers() < Group->getFactor());
+ isa<StoreInst>(I) && !Group->isFull();
if (!PredicatedAccessRequiresMasking &&
!LoadAccessWithGapsRequiresEpilogMasking &&
!StoreAccessWithGapsRequiresMasking)
@@ -5349,7 +5349,7 @@ LoopVectorizationCostModel::getInterleaveGroupCost(Instruction *I,
// Calculate the cost of the whole interleaved group.
bool UseMaskForGaps =
(Group->requiresScalarEpilogue() && !isScalarEpilogueAllowed()) ||
- (isa<StoreInst>(I) && (Group->getNumMembers() < Group->getFactor()));
+ (isa<StoreInst>(I) && !Group->isFull());
InstructionCost Cost = TTI.getInterleavedMemoryOpCost(
InsertPos->getOpcode(), WideVecTy, Group->getFactor(), Indices,
Group->getAlign(), AS, CostKind, Legal->isMaskRequired(I),
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 8de05c16041fa..359e40821aa4d 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -3141,9 +3141,7 @@ static bool canNarrowLoad(VPWidenRecipe *WideMember0, unsigned OpIdx,
return !W->getMask() && WideMember0->getOperand(OpIdx) == OpV;
if (auto *IR = dyn_cast<VPInterleaveRecipe>(DefR))
- return IR->getInterleaveGroup()->getFactor() ==
- IR->getInterleaveGroup()->getNumMembers() &&
- IR->getVPValue(Idx) == OpV;
+ return IR->getInterleaveGroup()->isFull() && IR->getVPValue(Idx) == OpV;
return false;
}
@@ -3260,9 +3258,7 @@ void VPlanTransforms::narrowInterleaveGroups(VPlan &Plan, ElementCount VF,
if (!DefR)
return false;
auto *IR = dyn_cast<VPInterleaveRecipe>(DefR);
- return IR &&
- IR->getInterleaveGroup()->getFactor() ==
- IR->getInterleaveGroup()->getNumMembers() &&
+ return IR && IR->getInterleaveGroup()->isFull() &&
IR->getVPValue(Op.index()) == Op.value();
})) {
StoreGroups.push_back(InterleaveR);
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Member
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@llvm/pr-subscribers-llvm-transforms Author: Mel Chen (Mel-Chen) Changes4 Files Affected:
diff --git a/llvm/include/llvm/Analysis/VectorUtils.h b/llvm/include/llvm/Analysis/VectorUtils.h
index b55c4e0a6bf76..7a6b16cedc6a3 100644
--- a/llvm/include/llvm/Analysis/VectorUtils.h
+++ b/llvm/include/llvm/Analysis/VectorUtils.h
@@ -633,6 +633,9 @@ template <typename InstTy> class InterleaveGroup {
return true;
}
+ /// Return true if the group has no gaps.
+ bool isFull() const { return getNumMembers() == getFactor(); }
+
private:
uint32_t Factor; // Interleave Factor.
bool Reverse;
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
index 150ddced03b15..b3b4c37475eef 100644
--- a/llvm/lib/Analysis/VectorUtils.cpp
+++ b/llvm/lib/Analysis/VectorUtils.cpp
@@ -1117,7 +1117,7 @@ Constant *
llvm::createBitMaskForGaps(IRBuilderBase &Builder, unsigned VF,
const InterleaveGroup<Instruction> &Group) {
// All 1's means mask is not needed.
- if (Group.getNumMembers() == Group.getFactor())
+ if (Group.isFull())
return nullptr;
// TODO: support reversed access.
@@ -1663,7 +1663,7 @@ void InterleavedAccessInfo::analyzeInterleaving(
// Case 1: A full group. Can Skip the checks; For full groups, if the wide
// load would wrap around the address space we would do a memory access at
// nullptr even without the transformation.
- if (Group->getNumMembers() == Group->getFactor())
+ if (Group->isFull())
continue;
// Case 2: If first and last members of the group don't wrap this implies
@@ -1698,7 +1698,7 @@ void InterleavedAccessInfo::analyzeInterleaving(
// Case 1: A full group. Can Skip the checks; For full groups, if the wide
// store would wrap around the address space we would do a memory access at
// nullptr even without the transformation.
- if (Group->getNumMembers() == Group->getFactor())
+ if (Group->isFull())
continue;
// Interleave-store-group with gaps is implemented using masked wide store.
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 7b7efb8c6309e..9c06ef990a600 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3131,7 +3131,7 @@ bool LoopVectorizationCostModel::interleavedAccessCanBeWidened(
isa<LoadInst>(I) && Group->requiresScalarEpilogue() &&
!isScalarEpilogueAllowed();
bool StoreAccessWithGapsRequiresMasking =
- isa<StoreInst>(I) && (Group->getNumMembers() < Group->getFactor());
+ isa<StoreInst>(I) && !Group->isFull();
if (!PredicatedAccessRequiresMasking &&
!LoadAccessWithGapsRequiresEpilogMasking &&
!StoreAccessWithGapsRequiresMasking)
@@ -5349,7 +5349,7 @@ LoopVectorizationCostModel::getInterleaveGroupCost(Instruction *I,
// Calculate the cost of the whole interleaved group.
bool UseMaskForGaps =
(Group->requiresScalarEpilogue() && !isScalarEpilogueAllowed()) ||
- (isa<StoreInst>(I) && (Group->getNumMembers() < Group->getFactor()));
+ (isa<StoreInst>(I) && !Group->isFull());
InstructionCost Cost = TTI.getInterleavedMemoryOpCost(
InsertPos->getOpcode(), WideVecTy, Group->getFactor(), Indices,
Group->getAlign(), AS, CostKind, Legal->isMaskRequired(I),
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 8de05c16041fa..359e40821aa4d 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -3141,9 +3141,7 @@ static bool canNarrowLoad(VPWidenRecipe *WideMember0, unsigned OpIdx,
return !W->getMask() && WideMember0->getOperand(OpIdx) == OpV;
if (auto *IR = dyn_cast<VPInterleaveRecipe>(DefR))
- return IR->getInterleaveGroup()->getFactor() ==
- IR->getInterleaveGroup()->getNumMembers() &&
- IR->getVPValue(Idx) == OpV;
+ return IR->getInterleaveGroup()->isFull() && IR->getVPValue(Idx) == OpV;
return false;
}
@@ -3260,9 +3258,7 @@ void VPlanTransforms::narrowInterleaveGroups(VPlan &Plan, ElementCount VF,
if (!DefR)
return false;
auto *IR = dyn_cast<VPInterleaveRecipe>(DefR);
- return IR &&
- IR->getInterleaveGroup()->getFactor() ==
- IR->getInterleaveGroup()->getNumMembers() &&
+ return IR && IR->getInterleaveGroup()->isFull() &&
IR->getVPValue(Op.index()) == Op.value();
})) {
StoreGroups.push_back(InterleaveR);
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lukel97
approved these changes
Jul 29, 2025
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