Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/NVPTX/NVPTXTargetTransformInfo.h

@@ -1,86 +0,0 @@
-//===-- 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/CodeGen/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()) {}
-
-  bool hasBranchDivergence() { return true; }
-
-  bool isSourceOfDivergence(const Value *V);
-
-  unsigned getFlatAddressSpace() const {
-    return AddressSpace::ADDRESS_SPACE_GENERIC;
-  }
-
-  // Increase the inlining cost threshold by a factor of 5, reflecting that
-  // calls are particularly expensive in NVPTX.
-  unsigned getInliningThresholdMultiplier() { return 5; }
-
-  int 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,
-      ArrayRef<const Value *> Args = ArrayRef<const Value *>());
-
-  void getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
-                               TTI::UnrollingPreferences &UP);
-  bool hasVolatileVariant(Instruction *I, unsigned AddrSpace) {
-    // Volatile loads/stores are only supported for shared and global address
-    // spaces, or for generic AS that maps to them.
-    if (!(AddrSpace == llvm::ADDRESS_SPACE_GENERIC ||
-          AddrSpace == llvm::ADDRESS_SPACE_GLOBAL ||
-          AddrSpace == llvm::ADDRESS_SPACE_SHARED))
-      return false;
-
-    switch(I->getOpcode()){
-    default:
-      return false;
-    case Instruction::Load:
-    case Instruction::Store:
-      return true;
-    }
-  }
-};
-
-} // end namespace llvm
-
-#endif