X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FRegisterScavenging.cpp;h=5ec6564ce398c81862a8392ab62464c3bd9ee89d;hb=feab72c20acc97f8942148189c06e443b29df841;hp=d673794e1b9392ab3e660d175ebe6063807e8424;hpb=396618b43a85e12d290a90b181c6af5d7c0c5f11;p=oota-llvm.git

diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp
index d673794e1b9..5ec6564ce39 100644
--- a/lib/CodeGen/RegisterScavenging.cpp
+++ b/lib/CodeGen/RegisterScavenging.cpp
@@ -92,9 +92,6 @@ void RegScavenger::enterBasicBlock(MachineBasicBlock *mbb) {
     KillRegs.resize(NumPhysRegs);
     DefRegs.resize(NumPhysRegs);
 
-    // Create reserved registers bitvector.
-    ReservedRegs = TRI->getReservedRegs(MF);
-
     // Create callee-saved registers bitvector.
     CalleeSavedRegs.resize(NumPhysRegs);
     const uint16_t *CSRegs = TRI->getCalleeSavedRegs(&MF);
@@ -225,9 +222,9 @@ void RegScavenger::getRegsUsed(BitVector &used, bool includeReserved) {
   used = RegsAvailable;
   used.flip();
   if (includeReserved)
-    used |= ReservedRegs;
+    used |= MRI->getReservedRegs();
   else
-    used.reset(ReservedRegs);
+    used.reset(MRI->getReservedRegs());
 }
 
 unsigned RegScavenger::FindUnusedReg(const TargetRegisterClass *RC) const {