[llvm] r255171 - use range-based for loops; NFCI

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Wed Dec  9 16:45:45 2015
New Revision: 255171

URL: http://llvm.org/viewvc/llvm-project?rev=255171&view=rev
Log:
use range-based for loops; NFCI

Modified:
    llvm/trunk/lib/CodeGen/MachineTraceMetrics.cpp

Modified: llvm/trunk/lib/CodeGen/MachineTraceMetrics.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineTraceMetrics.cpp?rev=255171&r1=255170&r2=255171&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineTraceMetrics.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineTraceMetrics.cpp Wed Dec  9 16:45:45 2015
@@ -724,13 +724,12 @@ static void updatePhysDepsDownwards(cons
 
   // Update RegUnits to reflect live registers after UseMI.
   // First kills.
-  for (unsigned i = 0, e = Kills.size(); i != e; ++i)
-    for (MCRegUnitIterator Units(Kills[i], TRI); Units.isValid(); ++Units)
+  for (unsigned Kill : Kills)
+    for (MCRegUnitIterator Units(Kill, TRI); Units.isValid(); ++Units)
       RegUnits.erase(*Units);
 
   // Second, live defs.
-  for (unsigned i = 0, e = LiveDefOps.size(); i != e; ++i) {
-    unsigned DefOp = LiveDefOps[i];
+  for (unsigned DefOp : LiveDefOps) {
     for (MCRegUnitIterator Units(UseMI->getOperand(DefOp).getReg(), TRI);
          Units.isValid(); ++Units) {
       LiveRegUnit &LRU = RegUnits[*Units];
@@ -756,8 +755,7 @@ computeCrossBlockCriticalPath(const Trac
   assert(TBI.HasValidInstrDepths && "Missing depth info");
   assert(TBI.HasValidInstrHeights && "Missing height info");
   unsigned MaxLen = 0;
-  for (unsigned i = 0, e = TBI.LiveIns.size(); i != e; ++i) {
-    const LiveInReg &LIR = TBI.LiveIns[i];
+  for (const LiveInReg &LIR : TBI.LiveIns) {
     if (!TargetRegisterInfo::isVirtualRegister(LIR.Reg))
       continue;
     const MachineInstr *DefMI = MTM.MRI->getVRegDef(LIR.Reg);