[DAG] Pass the argument list to the CallLoweringInfo via move semantics. NFCI.

[oota-llvm.git] / lib / CodeGen / TailDuplication.cpp

diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp
index c3afd53b7e2384127cd65e2a3bc06929023a1d23..723a6297f36ae2f9289b282addad3d9abb459e30 100644 (file)
--- a/lib/CodeGen/TailDuplication.cpp
+++ b/lib/CodeGen/TailDuplication.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "tailduplication"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/SetVector.h"
@@ -34,6 +33,8 @@
 #include "llvm/Target/TargetRegisterInfo.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "tailduplication"
+
 STATISTIC(NumTails     , "Number of tails duplicated");
 STATISTIC(NumTailDups  , "Number of tail duplicated blocks");
 STATISTIC(NumInstrDups , "Additional instructions due to tail duplication");
@@ -363,9 +364,7 @@ static unsigned getPHISrcRegOpIdx(MachineInstr *MI, MachineBasicBlock *SrcBB) {
 // block (which is why we need to copy the information).
 static void getRegsUsedByPHIs(const MachineBasicBlock &BB,
                               DenseSet<unsigned> *UsedByPhi) {
-  for(MachineBasicBlock::const_iterator I = BB.begin(), E = BB.end();
-      I != E; ++I) {
-    const MachineInstr &MI = *I;
+  for (const auto &MI : BB) {
     if (!MI.isPHI())
       break;
     for (unsigned i = 1, e = MI.getNumOperands(); i != e; i += 2) {