diff options
Diffstat (limited to 'lib/Target/XCore/XCoreRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/XCore/XCoreRegisterInfo.cpp | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/lib/Target/XCore/XCoreRegisterInfo.cpp b/lib/Target/XCore/XCoreRegisterInfo.cpp index 1ee3c59c03..106d23bb58 100644 --- a/lib/Target/XCore/XCoreRegisterInfo.cpp +++ b/lib/Target/XCore/XCoreRegisterInfo.cpp @@ -295,49 +295,6 @@ XCoreRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, MBB.erase(II); } -void -XCoreRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, - RegScavenger *RS) const { - MachineFrameInfo *MFI = MF.getFrameInfo(); - const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo(); - bool LRUsed = MF.getRegInfo().isPhysRegUsed(XCore::LR); - const TargetRegisterClass *RC = XCore::GRRegsRegisterClass; - XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>(); - if (LRUsed) { - MF.getRegInfo().setPhysRegUnused(XCore::LR); - - bool isVarArg = MF.getFunction()->isVarArg(); - int FrameIdx; - if (! isVarArg) { - // A fixed offset of 0 allows us to save / restore LR using entsp / retsp. - FrameIdx = MFI->CreateFixedObject(RC->getSize(), 0, true); - } else { - FrameIdx = MFI->CreateStackObject(RC->getSize(), RC->getAlignment(), - false); - } - XFI->setUsesLR(FrameIdx); - XFI->setLRSpillSlot(FrameIdx); - } - if (requiresRegisterScavenging(MF)) { - // Reserve a slot close to SP or frame pointer. - RS->setScavengingFrameIndex(MFI->CreateStackObject(RC->getSize(), - RC->getAlignment(), - false)); - } - if (TFI->hasFP(MF)) { - // A callee save register is used to hold the FP. - // This needs saving / restoring in the epilogue / prologue. - XFI->setFPSpillSlot(MFI->CreateStackObject(RC->getSize(), - RC->getAlignment(), - false)); - } -} - -void XCoreRegisterInfo:: -processFunctionBeforeFrameFinalized(MachineFunction &MF) const { - -} - void XCoreRegisterInfo:: loadConstant(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, unsigned DstReg, int64_t Value, DebugLoc dl) const { |