| //===-- XCoreTargetTransformInfo.h - XCore specific TTI ---------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// This file a TargetTransformInfo::Concept conforming object specific to the |
| /// XCore target machine. It uses the target's detailed information to |
| /// provide more precise answers to certain TTI queries, while letting the |
| /// target independent and default TTI implementations handle the rest. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H |
| #define LLVM_LIB_TARGET_XCORE_XCORETARGETTRANSFORMINFO_H |
| |
| #include "XCore.h" |
| #include "XCoreTargetMachine.h" |
| #include "llvm/Analysis/TargetTransformInfo.h" |
| #include "llvm/CodeGen/BasicTTIImpl.h" |
| #include "llvm/CodeGen/TargetLowering.h" |
| |
| namespace llvm { |
| |
| class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> { |
| typedef BasicTTIImplBase<XCoreTTIImpl> BaseT; |
| typedef TargetTransformInfo TTI; |
| friend BaseT; |
| |
| const XCoreSubtarget *ST; |
| const XCoreTargetLowering *TLI; |
| |
| const XCoreSubtarget *getST() const { return ST; } |
| const XCoreTargetLowering *getTLI() const { return TLI; } |
| |
| public: |
| explicit XCoreTTIImpl(const XCoreTargetMachine *TM, const Function &F) |
| : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()), |
| TLI(ST->getTargetLowering()) {} |
| |
| unsigned getNumberOfRegisters(unsigned ClassID) const { |
| bool Vector = (ClassID == 1); |
| if (Vector) { |
| return 0; |
| } |
| return 12; |
| } |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |