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Diffstat (limited to 'lib/Target/ARM/ARMRegisterInfo.cpp')
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.cpp15
1 files changed, 0 insertions, 15 deletions
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index 41f5e46104..a96be56384 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/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.