use range-based for-loops; NFCI

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237918 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineCombiner.cpp b/lib/CodeGen/MachineCombiner.cpp
index 41045ac0bab86fada0931e96fca1602f707ed907..ba5dbde6194ba0c6695949f50db4ba84519d2c81 100644 (file)
--- a/lib/CodeGen/MachineCombiner.cpp
+++ b/lib/CodeGen/MachineCombiner.cpp
@@ -131,8 +131,7 @@ MachineCombiner::getDepth(SmallVectorImpl<MachineInstr *> &InsInstrs,
   for (auto *InstrPtr : InsInstrs) { // for each Use
     unsigned IDepth = 0;
     DEBUG(dbgs() << "NEW INSTR "; InstrPtr->dump(); dbgs() << "\n";);
-    for (unsigned i = 0, e = InstrPtr->getNumOperands(); i != e; ++i) {
-      const MachineOperand &MO = InstrPtr->getOperand(i);
+    for (const MachineOperand &MO : InstrPtr->operands()) {
       // Check for virtual register operand.
       if (!(MO.isReg() && TargetRegisterInfo::isVirtualRegister(MO.getReg())))
         continue;
@@ -186,8 +185,7 @@ unsigned MachineCombiner::getLatency(MachineInstr *Root, MachineInstr *NewRoot,
   // Check each definition in NewRoot and compute the latency
   unsigned NewRootLatency = 0;
 
-  for (unsigned i = 0, e = NewRoot->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = NewRoot->getOperand(i);
+  for (const MachineOperand &MO : NewRoot->operands()) {
     // Check for virtual register operand.
     if (!(MO.isReg() && TargetRegisterInfo::isVirtualRegister(MO.getReg())))
       continue;