xref: /freebsd/contrib/llvm-project/llvm/lib/Target/X86/GISel/X86CallLowering.h (revision 5f757f3ff9144b609b3c433dfd370cc6bdc191ad)
1*5f757f3fSDimitry Andric //===- llvm/lib/Target/X86/X86CallLowering.h - Call lowering ----*- C++ -*-===//
2*5f757f3fSDimitry Andric //
3*5f757f3fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*5f757f3fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*5f757f3fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*5f757f3fSDimitry Andric //
7*5f757f3fSDimitry Andric //===----------------------------------------------------------------------===//
8*5f757f3fSDimitry Andric //
9*5f757f3fSDimitry Andric /// \file
10*5f757f3fSDimitry Andric /// This file describes how to lower LLVM calls to machine code calls.
11*5f757f3fSDimitry Andric //
12*5f757f3fSDimitry Andric //===----------------------------------------------------------------------===//
13*5f757f3fSDimitry Andric 
14*5f757f3fSDimitry Andric #ifndef LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
15*5f757f3fSDimitry Andric #define LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
16*5f757f3fSDimitry Andric 
17*5f757f3fSDimitry Andric #include "llvm/CodeGen/GlobalISel/CallLowering.h"
18*5f757f3fSDimitry Andric #include <functional>
19*5f757f3fSDimitry Andric 
20*5f757f3fSDimitry Andric namespace llvm {
21*5f757f3fSDimitry Andric 
22*5f757f3fSDimitry Andric template <typename T> class ArrayRef;
23*5f757f3fSDimitry Andric class X86TargetLowering;
24*5f757f3fSDimitry Andric 
25*5f757f3fSDimitry Andric class X86CallLowering : public CallLowering {
26*5f757f3fSDimitry Andric public:
27*5f757f3fSDimitry Andric   X86CallLowering(const X86TargetLowering &TLI);
28*5f757f3fSDimitry Andric 
29*5f757f3fSDimitry Andric   bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
30*5f757f3fSDimitry Andric                    ArrayRef<Register> VRegs,
31*5f757f3fSDimitry Andric                    FunctionLoweringInfo &FLI) const override;
32*5f757f3fSDimitry Andric 
33*5f757f3fSDimitry Andric   bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
34*5f757f3fSDimitry Andric                             ArrayRef<ArrayRef<Register>> VRegs,
35*5f757f3fSDimitry Andric                             FunctionLoweringInfo &FLI) const override;
36*5f757f3fSDimitry Andric 
37*5f757f3fSDimitry Andric   bool lowerCall(MachineIRBuilder &MIRBuilder,
38*5f757f3fSDimitry Andric                  CallLoweringInfo &Info) const override;
39*5f757f3fSDimitry Andric 
40*5f757f3fSDimitry Andric   bool canLowerReturn(MachineFunction &MF, CallingConv::ID CallConv,
41*5f757f3fSDimitry Andric                       SmallVectorImpl<BaseArgInfo> &Outs,
42*5f757f3fSDimitry Andric                       bool IsVarArg) const override;
43*5f757f3fSDimitry Andric };
44*5f757f3fSDimitry Andric 
45*5f757f3fSDimitry Andric } // end namespace llvm
46*5f757f3fSDimitry Andric 
47*5f757f3fSDimitry Andric #endif // LLVM_LIB_TARGET_X86_X86CALLLOWERING_H
48