1 //===- SPIRVTargetTransformInfo.h - SPIR-V specific TTI ---------*- 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 // \file
9 // This file contains a TargetTransformInfo::Concept conforming object specific
10 // to the SPIRV target machine. It uses the target's detailed information to
11 // provide more precise answers to certain TTI queries, while letting the
12 // target independent and default TTI implementations handle the rest.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H
17 #define LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H
18 
19 #include "SPIRV.h"
20 #include "SPIRVTargetMachine.h"
21 #include "llvm/Analysis/TargetTransformInfo.h"
22 #include "llvm/CodeGen/BasicTTIImpl.h"
23 
24 namespace llvm {
25 class SPIRVTTIImpl : public BasicTTIImplBase<SPIRVTTIImpl> {
26   using BaseT = BasicTTIImplBase<SPIRVTTIImpl>;
27 
28   friend BaseT;
29 
30   const SPIRVSubtarget *ST;
31   const SPIRVTargetLowering *TLI;
32 
33   const TargetSubtargetInfo *getST() const { return ST; }
34   const SPIRVTargetLowering *getTLI() const { return TLI; }
35 
36 public:
37   explicit SPIRVTTIImpl(const SPIRVTargetMachine *TM, const Function &F)
38       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
39         TLI(ST->getTargetLowering()) {}
40 };
41 
42 } // namespace llvm
43 
44 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H
45