From: Lang Hames <lhames@gmail.com>
Date: Tue, 14 Feb 2012 23:06:12 +0000 (+0000)
Subject: Don't create a new copy of reserved regs - we already have one handy.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=94b6e1418202e9f6cf54856d5ec2891c9012777a;p=oota-llvm.git

Don't create a new copy of reserved regs - we already have one handy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150525 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 1bd49a1a5f9..0e64ec90118 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -999,10 +999,8 @@ void LiveIntervals::moveInstr(MachineBasicBlock::iterator insertPt,
     }
   }
 
-  BitVector reservedRegs(tri_->getReservedRegs(*mbb->getParent()));
-
   if (movingUp) {
-    handleMoveUses(mbb, *mri_, *tri_, reservedRegs, *this, origIdx, miIdx, uses);
+    handleMoveUses(mbb, *mri_, *tri_, reservedRegs_, *this, origIdx, miIdx, uses);
     handleMoveECs(*this, origIdx, miIdx, ecs);
     handleMoveDeadDefs(*this, origIdx, miIdx, deadDefs);
     handleMoveDefs(*this, origIdx, miIdx, defs);
@@ -1010,7 +1008,7 @@ void LiveIntervals::moveInstr(MachineBasicBlock::iterator insertPt,
     handleMoveDefs(*this, origIdx, miIdx, defs);
     handleMoveDeadDefs(*this, origIdx, miIdx, deadDefs);
     handleMoveECs(*this, origIdx, miIdx, ecs);
-    handleMoveUses(mbb, *mri_, *tri_, reservedRegs, *this, origIdx, miIdx, uses);
+    handleMoveUses(mbb, *mri_, *tri_, reservedRegs_, *this, origIdx, miIdx, uses);
   }
 }