63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
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//===-- PTXISelLowering.cpp - PTX DAG Lowering Implementation -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the PTXTargetLowering class.
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//
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//===----------------------------------------------------------------------===//
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#include "PTXISelLowering.h"
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#include "PTXRegisterInfo.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/CodeGen/SelectionDAG.h"
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#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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using namespace llvm;
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PTXTargetLowering::PTXTargetLowering(TargetMachine &TM)
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: TargetLowering(TM, new TargetLoweringObjectFileELF()) {
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// Set up the register classes.
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addRegisterClass(MVT::i1, PTX::PredsRegisterClass);
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// Compute derived properties from the register classes
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computeRegisterProperties();
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}
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const char *PTXTargetLowering::getTargetNodeName(unsigned Opcode) const {
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switch (Opcode) {
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default: llvm_unreachable("Unknown opcode");
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case PTXISD::EXIT: return "PTXISD::EXIT";
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}
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}
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//===----------------------------------------------------------------------===//
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// Calling Convention Implementation
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//===----------------------------------------------------------------------===//
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SDValue PTXTargetLowering::
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LowerFormalArguments(SDValue Chain,
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CallingConv::ID CallConv,
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bool isVarArg,
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const SmallVectorImpl<ISD::InputArg> &Ins,
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DebugLoc dl,
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SelectionDAG &DAG,
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SmallVectorImpl<SDValue> &InVals) const {
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return Chain;
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}
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SDValue PTXTargetLowering::
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LowerReturn(SDValue Chain,
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CallingConv::ID CallConv,
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bool isVarArg,
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const SmallVectorImpl<ISD::OutputArg> &Outs,
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const SmallVectorImpl<SDValue> &OutVals,
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DebugLoc dl,
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SelectionDAG &DAG) const {
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return DAG.getNode(PTXISD::EXIT, dl, MVT::Other, Chain);
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}
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