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Increase the static sizes of some SmallSets. finalizeBundle() is very frequently called for some backends, and growing into an std::set is overkill for these numbers.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164044 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Ilseman 2012-09-17 18:31:15 +00:00
parent 2b94302433
commit 8dcc99496d
1 changed files with 4 additions and 4 deletions
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8
lib/CodeGen/MachineInstrBundle.cpp
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@ -109,10 +109,10 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
MachineInstrBuilder MIB = BuildMI(MBB, FirstMI, FirstMI->getDebugLoc(), MachineInstrBuilder MIB = BuildMI(MBB, FirstMI, FirstMI->getDebugLoc(),
TII->get(TargetOpcode::BUNDLE)); TII->get(TargetOpcode::BUNDLE));
SmallVector<unsigned, 8> LocalDefs; SmallVector<unsigned, 32> LocalDefs;
SmallSet<unsigned, 8> LocalDefSet; SmallSet<unsigned, 32> LocalDefSet;
SmallSet<unsigned, 8> DeadDefSet; SmallSet<unsigned, 8> DeadDefSet;
SmallSet<unsigned, 8> KilledDefSet; SmallSet<unsigned, 16> KilledDefSet;
SmallVector<unsigned, 8> ExternUses; SmallVector<unsigned, 8> ExternUses;
SmallSet<unsigned, 8> ExternUseSet; SmallSet<unsigned, 8> ExternUseSet;
SmallSet<unsigned, 8> KilledUseSet; SmallSet<unsigned, 8> KilledUseSet;
@ -181,7 +181,7 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
Defs.clear(); Defs.clear();
} }
SmallSet<unsigned, 8> Added; SmallSet<unsigned, 32> Added;
for (unsigned i = 0, e = LocalDefs.size(); i != e; ++i) { for (unsigned i = 0, e = LocalDefs.size(); i != e; ++i) {
unsigned Reg = LocalDefs[i]; unsigned Reg = LocalDefs[i];
if (Added.insert(Reg)) { if (Added.insert(Reg)) {