[llvm-commits] [llvm] r108448 - /llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp

[Bill Wendling]

Author: void
Date: Thu Jul 15 14:41:20 2010
New Revision: 108448

URL: http://llvm.org/viewvc/llvm-project?rev=108448&view=rev
Log:
Reserve a goodly amount of room for the vectors.

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

Modified: llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp?rev=108448&r1=108447&r2=108448&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp (original)
+++ llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp Thu Jul 15 14:41:20 2010
@@ -42,6 +42,9 @@
 AggressiveAntiDepState::AggressiveAntiDepState(const unsigned TargetRegs,
                                                MachineBasicBlock *BB) :
   NumTargetRegs(TargetRegs), GroupNodes(TargetRegs, 0) {
+  GroupNodeIndices.reserve(TargetRegs);
+  KillIndices.reserve(TargetRegs);
+  DefIndices.reserve(TargetRegs);
 
   const unsigned BBSize = BB->size();
   for (unsigned i = 0; i < NumTargetRegs; ++i) {
@@ -54,8 +57,7 @@
   }
 }
 
-unsigned AggressiveAntiDepState::GetGroup(unsigned Reg)
-{
+unsigned AggressiveAntiDepState::GetGroup(unsigned Reg) {
   unsigned Node = GroupNodeIndices[Reg];
   while (GroupNodes[Node] != Node)
     Node = GroupNodes[Node];