For PR1207:

Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399

1 files changed, 0 insertions, 15 deletions

diff --git a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
index 41f5e461047..a96be563846 100644
--- a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -28,7 +28,6 @@
 #include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
-#include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
@@ -298,20 +297,6 @@ ARMRegisterInfo::getCalleeSavedRegClasses() const {
   return CalleeSavedRegClasses;
 }
 
-BitVector ARMRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
-  BitVector Reserved(getNumRegs());
-  Reserved.set(ARM::SP);
-  if (STI.isTargetDarwin() || hasFP(MF))
-    Reserved.set(FramePtr);
-  // Some targets reserve R9.
-  if (STI.isR9Reserved())
-    Reserved.set(ARM::R9);
-  // At PEI time, if LR is used, it will be spilled upon entry.
-  if (MF.getUsedPhysregs() && !MF.isPhysRegUsed((unsigned)ARM::LR))
-    Reserved.set(ARM::LR);
-  return Reserved;
-}
-
 /// hasFP - Return true if the specified function should have a dedicated frame
 /// pointer register.  This is true if the function has variable sized allocas
 /// or if frame pointer elimination is disabled.