diff options
Diffstat (limited to 'contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp b/contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp index d8481778c0da..edd73c20c0be 100644 --- a/contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp +++ b/contrib/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp @@ -1,4 +1,4 @@ -//======- Thumb1FrameLowering.cpp - Thumb1 Frame Information ---*- C++ -*-====// +//===-- Thumb1FrameLowering.cpp - Thumb1 Frame Information ----------------===// // // The LLVM Compiler Infrastructure // @@ -12,7 +12,6 @@ //===----------------------------------------------------------------------===// #include "Thumb1FrameLowering.h" -#include "ARMBaseInstrInfo.h" #include "ARMMachineFunctionInfo.h" #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineFunction.h" @@ -101,7 +100,7 @@ void Thumb1FrameLowering::emitPrologue(MachineFunction &MF) const { case ARM::R11: if (Reg == FramePtr) FramePtrSpillFI = FI; - if (STI.isTargetDarwin()) { + if (STI.isTargetIOS()) { AFI->addGPRCalleeSavedArea2Frame(FI); GPRCS2Size += 4; } else { @@ -175,14 +174,14 @@ void Thumb1FrameLowering::emitPrologue(MachineFunction &MF) const { AFI->setShouldRestoreSPFromFP(true); } -static bool isCalleeSavedRegister(unsigned Reg, const unsigned *CSRegs) { +static bool isCalleeSavedRegister(unsigned Reg, const uint16_t *CSRegs) { for (unsigned i = 0; CSRegs[i]; ++i) if (Reg == CSRegs[i]) return true; return false; } -static bool isCSRestore(MachineInstr *MI, const unsigned *CSRegs) { +static bool isCSRestore(MachineInstr *MI, const uint16_t *CSRegs) { if (MI->getOpcode() == ARM::tLDRspi && MI->getOperand(1).isFI() && isCalleeSavedRegister(MI->getOperand(0).getReg(), CSRegs)) @@ -214,7 +213,7 @@ void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF, unsigned VARegSaveSize = AFI->getVarArgsRegSaveSize(); int NumBytes = (int)MFI->getStackSize(); - const unsigned *CSRegs = RegInfo->getCalleeSavedRegs(); + const uint16_t *CSRegs = RegInfo->getCalleeSavedRegs(); unsigned FramePtr = RegInfo->getFrameRegister(MF); if (!AFI->hasStackFrame()) { @@ -278,8 +277,11 @@ void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF, emitSPUpdate(MBB, MBBI, TII, dl, *RegInfo, VARegSaveSize); - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tBX_RET_vararg)) - .addReg(ARM::R3, RegState::Kill)); + MachineInstrBuilder MIB = + BuildMI(MBB, MBBI, dl, TII.get(ARM::tBX_RET_vararg)) + .addReg(ARM::R3, RegState::Kill); + AddDefaultPred(MIB); + MIB->copyImplicitOps(&*MBBI); // erase the old tBX_RET instruction MBB.erase(MBBI); } @@ -350,6 +352,7 @@ restoreCalleeSavedRegisters(MachineBasicBlock &MBB, continue; Reg = ARM::PC; (*MIB).setDesc(TII.get(ARM::tPOP_RET)); + MIB->copyImplicitOps(&*MI); MI = MBB.erase(MI); } MIB.addReg(Reg, getDefRegState(true)); |