1 //===- SPIRVLegalizerInfo.h --- SPIR-V Legalization Rules --------*- 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 // This file declares the targeting of the MachineLegalizer class for SPIR-V.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
14 #define LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
15 
16 #include "SPIRVGlobalRegistry.h"
17 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
18 
19 bool isTypeFoldingSupported(unsigned Opcode);
20 
21 namespace llvm {
22 
23 class LLVMContext;
24 class SPIRVSubtarget;
25 
26 // This class provides the information for legalizing SPIR-V instructions.
27 class SPIRVLegalizerInfo : public LegalizerInfo {
28   const SPIRVSubtarget *ST;
29   SPIRVGlobalRegistry *GR;
30 
31 public:
32   bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI) const override;
33   SPIRVLegalizerInfo(const SPIRVSubtarget &ST);
34 };
35 } // namespace llvm
36 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
37