CodeGen: use range based for loop

Convert a loop to use a range based style loop.  NFC.

llvm-svn: 263884

1 files changed, 4 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 96034ec0672..f0dc3238257 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -323,14 +323,13 @@ void PEI::assignCalleeSavedSpillSlots(MachineFunction &F,
 
     // Now that we know which registers need to be saved and restored, allocate
     // stack slots for them.
-    for (std::vector<CalleeSavedInfo>::iterator I = CSI.begin(), E = CSI.end();
-         I != E; ++I) {
-      unsigned Reg = I->getReg();
+    for (auto &CS : CSI) {
+      unsigned Reg = CS.getReg();
       const TargetRegisterClass *RC = RegInfo->getMinimalPhysRegClass(Reg);
 
       int FrameIdx;
       if (RegInfo->hasReservedSpillSlot(F, Reg, FrameIdx)) {
-        I->setFrameIdx(FrameIdx);
+        CS.setFrameIdx(FrameIdx);
         continue;
       }
 
@@ -359,7 +358,7 @@ void PEI::assignCalleeSavedSpillSlots(MachineFunction &F,
             MFI->CreateFixedSpillStackObject(RC->getSize(), FixedSlot->Offset);
       }
 
-      I->setFrameIdx(FrameIdx);
+      CS.setFrameIdx(FrameIdx);
     }
   }