diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index c54152a..140846f 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -608,8 +608,8 @@
   const TargetRegisterClass* rc = mf_->getSSARegMap()->getRegClass(cur->reg);
 
   unsigned freeReg = 0;
-  for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_);
-       i != rc->allocation_order_end(*mf_); ++i) {
+  for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_),
+       e = rc->allocation_order_end(*mf_); i != e; ++i) {
     unsigned reg = *i;
     if (prt_->isRegAvail(reg) &&
         (!freeReg || inactiveCounts[freeReg] < inactiveCounts[reg]))