1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
index c4bf5a410b9..f2405a4bd3f 100644
--- a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
+++ b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
@@ -233,11 +233,11 @@ bool X86CallFrameOptimization::runOnMachineFunction(MachineFunction &MF) {
 
   ContextVector CallSeqVector;
 
-  for (MachineFunction::iterator BB = MF.begin(), E = MF.end(); BB != E; ++BB)
-    for (MachineBasicBlock::iterator I = BB->begin(); I != BB->end(); ++I)
-      if (I->getOpcode() == FrameSetupOpcode) {
+  for (auto &MBB : MF)
+    for (auto &MI : MBB)
+      if (MI.getOpcode() == FrameSetupOpcode) {
         CallContext Context;
-        collectCallInfo(MF, *BB, I, Context);
+        collectCallInfo(MF, MBB, MI, Context);
         CallSeqVector.push_back(Context);
       }