forked from OSchip/llvm-project
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
//===--- SPIRVCallLowering.h - Call lowering --------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file describes how to lower LLVM calls to machine code calls.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H
|
|
#define LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H
|
|
|
|
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
class SPIRVGlobalRegistry;
|
|
class SPIRVSubtarget;
|
|
class SPIRVTargetLowering;
|
|
|
|
class SPIRVCallLowering : public CallLowering {
|
|
private:
|
|
const SPIRVSubtarget &ST;
|
|
// Used to create and assign function, argument, and return type information.
|
|
SPIRVGlobalRegistry *GR;
|
|
|
|
public:
|
|
SPIRVCallLowering(const SPIRVTargetLowering &TLI, const SPIRVSubtarget &ST,
|
|
SPIRVGlobalRegistry *GR);
|
|
|
|
// Built OpReturn or OpReturnValue.
|
|
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
|
|
ArrayRef<Register> VRegs, FunctionLoweringInfo &FLI,
|
|
Register SwiftErrorVReg) const override;
|
|
|
|
// Build OpFunction, OpFunctionParameter, and any EntryPoint or Linkage data.
|
|
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
|
|
ArrayRef<ArrayRef<Register>> VRegs,
|
|
FunctionLoweringInfo &FLI) const override;
|
|
|
|
// Build OpCall, or replace with a builtin function.
|
|
bool lowerCall(MachineIRBuilder &MIRBuilder,
|
|
CallLoweringInfo &Info) const override;
|
|
};
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H
|