Simplify a few more uses of reg_iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 64490d2..9d22e13 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -397,10 +397,10 @@
// Remove unnecessary kills since a copy does not clobber the register.
if (li_->hasInterval(SrcReg)) {
LiveInterval &SrcLI = li_->getInterval(SrcReg);
- for (MachineRegisterInfo::reg_iterator I = mri_->reg_begin(cur.reg),
- E = mri_->reg_end(); I != E; ++I) {
+ for (MachineRegisterInfo::use_iterator I = mri_->use_begin(cur.reg),
+ E = mri_->use_end(); I != E; ++I) {
MachineOperand &O = I.getOperand();
- if (!O.isUse() || !O.isKill())
+ if (!O.isKill())
continue;
MachineInstr *MI = &*I;
if (SrcLI.liveAt(li_->getDefIndex(li_->getInstructionIndex(MI))))