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[NFC][MachineLICM] Use SmallDenseSet instead of SmallSet #95201

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merged 1 commit into from
Jun 12, 2024
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[NFC][MachineLICM] Use SmallDenseSet instead of SmallSet #95201

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8 changes: 4 additions & 4 deletions llvm/lib/CodeGen/MachineLICM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ namespace {
}

// Track 'estimated' register pressure.
SmallSet<Register, 32> RegSeen;
SmallDenseSet<Register> RegSeen;
SmallVector<unsigned, 8> RegPressure;

// Register pressure "limit" per register pressure set. If the pressure
Expand Down Expand Up @@ -224,7 +224,7 @@ namespace {
MachineBasicBlock *CurPreheader);

void ProcessMI(MachineInstr *MI, BitVector &RUDefs, BitVector &RUClobbers,
SmallSet<int, 32> &StoredFIs,
SmallDenseSet<int> &StoredFIs,
SmallVectorImpl<CandidateInfo> &Candidates,
MachineLoop *CurLoop);

Expand Down Expand Up @@ -464,7 +464,7 @@ static void applyBitsNotInRegMaskToRegUnitsMask(const TargetRegisterInfo &TRI,
/// gather register def and frame object update information.
void MachineLICMBase::ProcessMI(MachineInstr *MI, BitVector &RUDefs,
BitVector &RUClobbers,
SmallSet<int, 32> &StoredFIs,
SmallDenseSet<int> &StoredFIs,
SmallVectorImpl<CandidateInfo> &Candidates,
MachineLoop *CurLoop) {
bool RuledOut = false;
Expand Down Expand Up @@ -568,7 +568,7 @@ void MachineLICMBase::HoistRegionPostRA(MachineLoop *CurLoop,
BitVector RUClobbers(NumRegUnits); // RUs defined more than once.

SmallVector<CandidateInfo, 32> Candidates;
SmallSet<int, 32> StoredFIs;
SmallDenseSet<int> StoredFIs;

// Walk the entire region, count number of defs for each register, and
// collect potential LICM candidates.
Expand Down
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