1*81ad6265SDimitry Andric //===--- SPIRVCallLowering.h - Call lowering --------------------*- C++ -*-===// 2*81ad6265SDimitry Andric // 3*81ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*81ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*81ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*81ad6265SDimitry Andric // 7*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 8*81ad6265SDimitry Andric // 9*81ad6265SDimitry Andric // This file describes how to lower LLVM calls to machine code calls. 10*81ad6265SDimitry Andric // 11*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 12*81ad6265SDimitry Andric 13*81ad6265SDimitry Andric #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H 14*81ad6265SDimitry Andric #define LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H 15*81ad6265SDimitry Andric 16*81ad6265SDimitry Andric #include "llvm/CodeGen/GlobalISel/CallLowering.h" 17*81ad6265SDimitry Andric 18*81ad6265SDimitry Andric namespace llvm { 19*81ad6265SDimitry Andric 20*81ad6265SDimitry Andric class SPIRVGlobalRegistry; 21*81ad6265SDimitry Andric class SPIRVSubtarget; 22*81ad6265SDimitry Andric class SPIRVTargetLowering; 23*81ad6265SDimitry Andric 24*81ad6265SDimitry Andric class SPIRVCallLowering : public CallLowering { 25*81ad6265SDimitry Andric private: 26*81ad6265SDimitry Andric const SPIRVSubtarget &ST; 27*81ad6265SDimitry Andric // Used to create and assign function, argument, and return type information. 28*81ad6265SDimitry Andric SPIRVGlobalRegistry *GR; 29*81ad6265SDimitry Andric 30*81ad6265SDimitry Andric public: 31*81ad6265SDimitry Andric SPIRVCallLowering(const SPIRVTargetLowering &TLI, const SPIRVSubtarget &ST, 32*81ad6265SDimitry Andric SPIRVGlobalRegistry *GR); 33*81ad6265SDimitry Andric 34*81ad6265SDimitry Andric // Built OpReturn or OpReturnValue. 35*81ad6265SDimitry Andric bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val, 36*81ad6265SDimitry Andric ArrayRef<Register> VRegs, FunctionLoweringInfo &FLI, 37*81ad6265SDimitry Andric Register SwiftErrorVReg) const override; 38*81ad6265SDimitry Andric 39*81ad6265SDimitry Andric // Build OpFunction, OpFunctionParameter, and any EntryPoint or Linkage data. 40*81ad6265SDimitry Andric bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, 41*81ad6265SDimitry Andric ArrayRef<ArrayRef<Register>> VRegs, 42*81ad6265SDimitry Andric FunctionLoweringInfo &FLI) const override; 43*81ad6265SDimitry Andric 44*81ad6265SDimitry Andric // Build OpCall, or replace with a builtin function. 45*81ad6265SDimitry Andric bool lowerCall(MachineIRBuilder &MIRBuilder, 46*81ad6265SDimitry Andric CallLoweringInfo &Info) const override; 47*81ad6265SDimitry Andric }; 48*81ad6265SDimitry Andric } // end namespace llvm 49*81ad6265SDimitry Andric 50*81ad6265SDimitry Andric #endif // LLVM_LIB_TARGET_SPIRV_SPIRVCALLLOWERING_H 51