forked from OSchip/llvm-project
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//===-- NVPTXTargetTransformInfo.h - NVPTX specific TTI ---------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
/// \file
|
|
/// This file a TargetTransformInfo::Concept conforming object specific to the
|
|
/// NVPTX 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_NVPTX_NVPTXTARGETTRANSFORMINFO_H
|
|
#define LLVM_LIB_TARGET_NVPTX_NVPTXTARGETTRANSFORMINFO_H
|
|
|
|
#include "NVPTX.h"
|
|
#include "NVPTXTargetMachine.h"
|
|
#include "llvm/Analysis/TargetTransformInfo.h"
|
|
#include "llvm/CodeGen/BasicTTIImpl.h"
|
|
#include "llvm/Target/TargetLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
class NVPTXTTIImpl : public BasicTTIImplBase<NVPTXTTIImpl> {
|
|
typedef BasicTTIImplBase<NVPTXTTIImpl> BaseT;
|
|
typedef TargetTransformInfo TTI;
|
|
friend BaseT;
|
|
|
|
const NVPTXSubtarget *ST;
|
|
const NVPTXTargetLowering *TLI;
|
|
|
|
const NVPTXSubtarget *getST() const { return ST; };
|
|
const NVPTXTargetLowering *getTLI() const { return TLI; };
|
|
|
|
public:
|
|
explicit NVPTXTTIImpl(const NVPTXTargetMachine *TM, const Function &F)
|
|
: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()),
|
|
TLI(ST->getTargetLowering()) {}
|
|
|
|
// Provide value semantics. MSVC requires that we spell all of these out.
|
|
NVPTXTTIImpl(const NVPTXTTIImpl &Arg)
|
|
: BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
|
|
NVPTXTTIImpl(NVPTXTTIImpl &&Arg)
|
|
: BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
|
|
TLI(std::move(Arg.TLI)) {}
|
|
|
|
bool hasBranchDivergence() { return true; }
|
|
|
|
bool isSourceOfDivergence(const Value *V);
|
|
|
|
unsigned getArithmeticInstrCost(
|
|
unsigned Opcode, Type *Ty,
|
|
TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
|
|
TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
|
|
TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
|
|
TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
|
|
|
|
void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|