NVPTXFrameLowering.cpp [plain text]
#include "NVPTXFrameLowering.h"
#include "NVPTX.h"
#include "NVPTXRegisterInfo.h"
#include "NVPTXSubtarget.h"
#include "NVPTXTargetMachine.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/Target/TargetInstrInfo.h"
using namespace llvm;
bool NVPTXFrameLowering::hasFP(const MachineFunction &MF) const {
return true;
}
void NVPTXFrameLowering::emitPrologue(MachineFunction &MF) const {
if (MF.getFrameInfo()->hasStackObjects()) {
MachineBasicBlock &MBB = MF.front();
MachineBasicBlock::iterator MBBI = MBB.begin();
DebugLoc dl = DebugLoc();
if (tm.getSubtargetImpl()->hasGenericLdSt()) {
if (is64bit) {
MachineInstr *MI = BuildMI(MBB, MBBI, dl,
tm.getInstrInfo()->get(NVPTX::cvta_local_yes_64),
NVPTX::VRFrame).addReg(NVPTX::VRFrameLocal);
BuildMI(MBB, MI, dl,
tm.getInstrInfo()->get(NVPTX::IMOV64rr), NVPTX::VRFrameLocal)
.addReg(NVPTX::VRDepot);
} else {
MachineInstr *MI = BuildMI(MBB, MBBI, dl,
tm.getInstrInfo()->get(NVPTX::cvta_local_yes),
NVPTX::VRFrame).addReg(NVPTX::VRFrameLocal);
BuildMI(MBB, MI, dl,
tm.getInstrInfo()->get(NVPTX::IMOV32rr), NVPTX::VRFrameLocal)
.addReg(NVPTX::VRDepot);
}
}
else {
if (is64bit)
BuildMI(MBB, MBBI, dl,
tm.getInstrInfo()->get(NVPTX::IMOV64rr), NVPTX::VRFrame)
.addReg(NVPTX::VRDepot);
else
BuildMI(MBB, MBBI, dl,
tm.getInstrInfo()->get(NVPTX::IMOV32rr), NVPTX::VRFrame)
.addReg(NVPTX::VRDepot);
}
}
}
void NVPTXFrameLowering::emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const {
}