diff options
Diffstat (limited to 'lib/Target/ARM/ARMRegisterInfo.cpp')
-rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.cpp | 15 |
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. |