1 //===- VETargetTransformInfo.h - VE 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 a TargetTransformInfo::Concept conforming object specific to the
10 /// VE 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_VE_VETARGETTRANSFORMINFO_H
17 #define LLVM_LIB_TARGET_VE_VETARGETTRANSFORMINFO_H
18 
19 #include "VE.h"
20 #include "VETargetMachine.h"
21 #include "llvm/Analysis/TargetTransformInfo.h"
22 #include "llvm/CodeGen/BasicTTIImpl.h"
23 
24 namespace llvm {
25 
26 class VETTIImpl : public BasicTTIImplBase<VETTIImpl> {
27   using BaseT = BasicTTIImplBase<VETTIImpl>;
28   friend BaseT;
29 
30   const VESubtarget *ST;
31   const VETargetLowering *TLI;
32 
33   const VESubtarget *getST() const { return ST; }
34   const VETargetLowering *getTLI() const { return TLI; }
35 
36 public:
37   explicit VETTIImpl(const VETargetMachine *TM, const Function &F)
38       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
39         TLI(ST->getTargetLowering()) {}
40 
41   unsigned getNumberOfRegisters(unsigned ClassID) const { return 64; }
42 
43   unsigned getRegisterBitWidth(bool Vector) const { return 64; }
44 
45   unsigned getMinVectorRegisterBitWidth() const { return 64; }
46 };
47 
48 } // namespace llvm
49 
50 #endif // LLVM_LIB_TARGET_VE_VETARGETTRANSFORMINFO_H
51