X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FCodeGen%2FMachineFunction.cpp;h=7e6af1c9c41f627d65cf2ad702ddc39cb8103072;hp=7e4c9b779f293300c43c754f064fadbbdebea377;hb=cff5fabfc995b42f51a3d676f5e1b7d851fa2215;hpb=564e87c060a5a3d0ca31eaedfa893daca2f57ca0

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 7e4c9b779f2..7e6af1c9c41 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -620,10 +620,9 @@ BitVector MachineFrameInfo::getPristineRegs(const MachineFunction &MF) const {
     BV.set(*CSR);
 
   // Saved CSRs are not pristine.
-  const std::vector<CalleeSavedInfo> &CSI = getCalleeSavedInfo();
-  for (std::vector<CalleeSavedInfo>::const_iterator I = CSI.begin(),
-         E = CSI.end(); I != E; ++I)
-    BV.reset(I->getReg());
+  for (auto &I : getCalleeSavedInfo())
+    for (MCSubRegIterator S(I.getReg(), TRI, true); S.isValid(); ++S)
+      BV.reset(*S);
 
   return BV;
 }