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| author | Nowar Gu <nowar100@gmail.com> | 2011-07-01 23:28:45 +0800 |
|---|---|---|
| committer | Nowar Gu <nowar100@gmail.com> | 2011-07-01 23:37:27 +0800 |
| commit | 53d48080e55bf0c99cb7ca9de5b15a084d7324b5 (patch) | |
| tree | 98f4e257a61eebb14933d37ddc16678da0a7069d /lib/Target/ARM/Thumb1FrameLowering.cpp | |
| parent | 039a79eb418211573bada57ec3a1edf5a9d6071e (diff) | |
| parent | ed5bc470aab7097c30e5f881158112f7830472f3 (diff) | |
| download | external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.zip external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.tar.gz external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.tar.bz2 | |
Merge upstream to r134237 at Fri. 1st July 2011.
Conflicts:
lib/Target/ARM/ARMCodeEmitter.cpp
Diffstat (limited to 'lib/Target/ARM/Thumb1FrameLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/Thumb1FrameLowering.cpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/Target/ARM/Thumb1FrameLowering.cpp b/lib/Target/ARM/Thumb1FrameLowering.cpp index e56d481..48211d8 100644 --- a/lib/Target/ARM/Thumb1FrameLowering.cpp +++ b/lib/Target/ARM/Thumb1FrameLowering.cpp @@ -160,7 +160,8 @@ void Thumb1FrameLowering::emitPrologue(MachineFunction &MF) const { // will be allocated after this, so we can still use the base pointer // to reference locals. if (RegInfo->hasBasePointer(MF)) - BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr), BasePtr).addReg(ARM::SP); + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), BasePtr) + .addReg(ARM::SP)); // If the frame has variable sized objects then the epilogue must restore // the sp from fp. We can assume there's an FP here since hasFP already @@ -177,7 +178,7 @@ static bool isCalleeSavedRegister(unsigned Reg, const unsigned *CSRegs) { } static bool isCSRestore(MachineInstr *MI, const unsigned *CSRegs) { - if (MI->getOpcode() == ARM::tRestore && + if (MI->getOpcode() == ARM::tLDRspi && MI->getOperand(1).isFI() && isCalleeSavedRegister(MI->getOperand(0).getReg(), CSRegs)) return true; @@ -239,11 +240,13 @@ void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF, "No scratch register to restore SP from FP!"); emitThumbRegPlusImmediate(MBB, MBBI, dl, ARM::R4, FramePtr, -NumBytes, TII, *RegInfo); - BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVtgpr2gpr), ARM::SP) - .addReg(ARM::R4); + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), + ARM::SP) + .addReg(ARM::R4)); } else - BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVtgpr2gpr), ARM::SP) - .addReg(FramePtr); + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), + ARM::SP) + .addReg(FramePtr)); } else { if (MBBI->getOpcode() == ARM::tBX_RET && &MBB.front() != MBBI && |