LLVM  3.7.0
XCoreTargetTransformInfo.h
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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"
25 
26 namespace llvm {
27 
28 class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> {
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:
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.
46  : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
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
XCoreTTIImpl(XCoreTTIImpl &&Arg)
unsigned getNumberOfRegisters(bool Vector)
XCoreTTIImpl(const XCoreTTIImpl &Arg)
F(f)
Base class which can be used to help build a TTI implementation.
Definition: BasicTTIImpl.h:40
XCoreTTIImpl(const XCoreTargetMachine *TM, Function &F)
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
const DataLayout & getDataLayout() const
aarch64 promote const
static const Function * getParent(const Value *V)
This pass exposes codegen information to IR-level passes.
This file describes how to lower LLVM code to machine code.