1 //===-- XCoreTargetTransformInfo.h - XCore specific TTI ---------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// \file 10 /// This file a TargetTransformInfo::Concept conforming object specific to the 11 /// XCore target machine. It uses the target's detailed information to 12 /// provide more precise answers to certain TTI queries, while letting the 13 /// target independent and default TTI implementations handle the rest. 14 /// 15 //===----------------------------------------------------------------------===// 16 17 #ifndef LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H 18 #define LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H 19 20 #include "XCore.h" 21 #include "XCoreTargetMachine.h" 22 #include "llvm/Analysis/TargetTransformInfo.h" 23 #include "llvm/CodeGen/BasicTTIImpl.h" 24 #include "llvm/Target/TargetLowering.h" 25 26 namespace llvm { 27 28 class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> { 29 typedef BasicTTIImplBase<XCoreTTIImpl> BaseT; 30 typedef TargetTransformInfo TTI; 31 friend BaseT; 32 33 const XCoreSubtarget *ST; 34 const XCoreTargetLowering *TLI; 35 36 const XCoreSubtarget *getST() const { return ST; } 37 const XCoreTargetLowering *getTLI() const { return TLI; } 38 39 public: 40 explicit XCoreTTIImpl(const XCoreTargetMachine *TM, const Function &F) 41 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()), 42 TLI(ST->getTargetLowering()) {} 43 44 // Provide value semantics. MSVC requires that we spell all of these out. 45 XCoreTTIImpl(const XCoreTTIImpl &Arg) 46 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} 47 XCoreTTIImpl(XCoreTTIImpl &&Arg) 48 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), 49 TLI(std::move(Arg.TLI)) {} 50 51 unsigned getNumberOfRegisters(bool Vector) { 52 if (Vector) { 53 return 0; 54 } 55 return 12; 56 } 57 }; 58 59 } // end namespace llvm 60 61 #endif 62
