[llvm-commits] [llvm] r164044 - /llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp

[Michael Ilseman]

Author: milseman
Date: Mon Sep 17 13:31:15 2012
New Revision: 164044

URL: http://llvm.org/viewvc/llvm-project?rev=164044&view=rev
Log:
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.

Modified:
    llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp

Modified: llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp?rev=164044&r1=164043&r2=164044&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp Mon Sep 17 13:31:15 2012
@@ -109,10 +109,10 @@
   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 @@
     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)) {