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 1bd49a1a5f9b080cee6af1cb1e85f94bf8ad3325..0e64ec9011887ade789d3fd6acce533362fb7cb5 100644 (file)
--- 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);
   }
 }