From 0d0c5a614a9f0171fbe470ad43ea5657691a6f34 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Wed, 2 Apr 2014 18:00:39 +0000
Subject: [PATCH] [C++11,ARM64] Range based for loops in branch relaxation.

No functional change intended.

llvm-svn: 205438
---
 llvm/lib/Target/ARM64/ARM64BranchRelaxation.cpp | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/llvm/lib/Target/ARM64/ARM64BranchRelaxation.cpp b/llvm/lib/Target/ARM64/ARM64BranchRelaxation.cpp
index f6b36f6..a9bbef5 100644
--- a/llvm/lib/Target/ARM64/ARM64BranchRelaxation.cpp
+++ b/llvm/lib/Target/ARM64/ARM64BranchRelaxation.cpp
@@ -120,10 +120,9 @@ void ARM64BranchRelaxation::verify() {
 
 /// print block size and offset information - debugging
 void ARM64BranchRelaxation::dumpBBs() {
-  for (MachineFunction::iterator MBBI = MF->begin(), E = MF->end(); MBBI != E;
-       ++MBBI) {
-    const BasicBlockInfo &BBI = BlockInfo[MBBI->getNumber()];
-    dbgs() << format("BB#%u\toffset=%08x\t", MBBI->getNumber(), BBI.Offset)
+  for (auto &MBB: *MF) {
+    const BasicBlockInfo &BBI = BlockInfo[MBB.getNumber()];
+    dbgs() << format("BB#%u\toffset=%08x\t", MBB.getNumber(), BBI.Offset)
            << format("size=%#x\n", BBI.Size);
   }
 }
@@ -449,8 +448,8 @@ bool ARM64BranchRelaxation::relaxBranchInstructions() {
   bool Changed = false;
   // Relaxing branches involves creating new basic blocks, so re-eval
   // end() for termination.
-  for (MachineFunction::iterator I = MF->begin(); I != MF->end(); ++I) {
-    MachineInstr *MI = I->getFirstTerminator();
+  for (auto &MBB : *MF) {
+    MachineInstr *MI = MBB.getFirstTerminator();
     if (isConditionalBranch(MI->getOpcode()) &&
         !isBlockInRange(MI, getDestBlock(MI),
                         getBranchDisplacementBits(MI->getOpcode()))) {
-- 
2.7.4