From 4f0e00a5b8c2f2c9792cea1d7e8a4b5bcc1cc237 Mon Sep 17 00:00:00 2001
From: Michael Ilseman <milseman@apple.com>
Date: Mon, 17 Sep 2012 18:31:15 +0000
Subject: 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.

llvm-svn: 164044
---
 llvm/lib/CodeGen/MachineInstrBundle.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'llvm/lib/CodeGen/MachineInstrBundle.cpp')

diff --git a/llvm/lib/CodeGen/MachineInstrBundle.cpp b/llvm/lib/CodeGen/MachineInstrBundle.cpp
index 7d49e73f99e..1f7fbfc719b 100644
--- a/llvm/lib/CodeGen/MachineInstrBundle.cpp
+++ b/llvm/lib/CodeGen/MachineInstrBundle.cpp
@@ -109,10 +109,10 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
   MachineInstrBuilder MIB = BuildMI(MBB, FirstMI, FirstMI->getDebugLoc(),
                                     TII->get(TargetOpcode::BUNDLE));
 
-  SmallVector<unsigned, 8> LocalDefs;
-  SmallSet<unsigned, 8> LocalDefSet;
+  SmallVector<unsigned, 32> LocalDefs;
+  SmallSet<unsigned, 32> LocalDefSet;
   SmallSet<unsigned, 8> DeadDefSet;
-  SmallSet<unsigned, 8> KilledDefSet;
+  SmallSet<unsigned, 16> KilledDefSet;
   SmallVector<unsigned, 8> ExternUses;
   SmallSet<unsigned, 8> ExternUseSet;
   SmallSet<unsigned, 8> KilledUseSet;
@@ -181,7 +181,7 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
     Defs.clear();
   }
 
-  SmallSet<unsigned, 8> Added;
+  SmallSet<unsigned, 32> Added;
   for (unsigned i = 0, e = LocalDefs.size(); i != e; ++i) {
     unsigned Reg = LocalDefs[i];
     if (Added.insert(Reg)) {
-- 
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