llvm/lib/Target/X86/X86CallLowering.h

   1 //===- llvm/lib/Target/X86/X86CallLowering.h - Call lowering ----*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 /// \file
  10 /// This file describes how to lower LLVM calls to machine code calls.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
  15 #define LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
  16
  17 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
  18 #include <functional>
  19
  20 namespace llvm {
  21
  22 template <typename T> class ArrayRef;
  23 class DataLayout;
  24 class MachineRegisterInfo;
  25 class X86TargetLowering;
  26
  27 class X86CallLowering : public CallLowering {
  28 public:
  29   X86CallLowering(const X86TargetLowering &TLI);
  30
  31   bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
  32                    ArrayRef<Register> VRegs,
  33                    FunctionLoweringInfo &FLI) const override;
  34
  35   bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
  36                             ArrayRef<ArrayRef<Register>> VRegs,
  37                             FunctionLoweringInfo &FLI) const override;
  38
  39   bool lowerCall(MachineIRBuilder &MIRBuilder,
  40                  CallLoweringInfo &Info) const override;
  41 };
  42
  43 } // end namespace llvm
  44
  45 #endif // LLVM_LIB_TARGET_X86_X86CALLLOWERING_H