llvm/lib/Target/DirectX/DirectXTargetTransformInfo.h

   1 //===- DirectXTargetTransformInfo.h - DirectX 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 ///
   9 //===----------------------------------------------------------------------===//
  10
  11 #ifndef LLVM_DIRECTX_DIRECTXTARGETTRANSFORMINFO_H
  12 #define LLVM_DIRECTX_DIRECTXTARGETTRANSFORMINFO_H
  13
  14 #include "DirectXSubtarget.h"
  15 #include "DirectXTargetMachine.h"
  16 #include "llvm/CodeGen/BasicTTIImpl.h"
  17 #include "llvm/IR/Function.h"
  18
  19 namespace llvm {
  20 class DirectXTTIImpl : public BasicTTIImplBase<DirectXTTIImpl> {
  21   using BaseT = BasicTTIImplBase<DirectXTTIImpl>;
  22   using TTI = TargetTransformInfo;
  23
  24   friend BaseT;
  25
  26   const DirectXSubtarget *ST;
  27   const DirectXTargetLowering *TLI;
  28
  29   const DirectXSubtarget *getST() const { return ST; }
  30   const DirectXTargetLowering *getTLI() const { return TLI; }
  31
  32 public:
  33   explicit DirectXTTIImpl(const DirectXTargetMachine *TM, const Function &F)
  34       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
  35         TLI(ST->getTargetLowering()) {}
  36   unsigned getMinVectorRegisterBitWidth() const { return 32; }
  37 };
  38 } // namespace llvm
  39
  40 #endif // LLVM_DIRECTX_DIRECTXTARGETTRANSFORMINFO_H