/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/XCore/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" |
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 | 0 | const XCoreSubtarget *getST() const { return ST; } |
37 | 10 | 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 | 1.34k | TLI(ST->getTargetLowering()) {} |
43 | | |
44 | 6 | unsigned getNumberOfRegisters(bool Vector) { |
45 | 6 | if (Vector6 ) { |
46 | 2 | return 0; |
47 | 2 | } |
48 | 4 | return 12; |
49 | 6 | } |
50 | | }; |
51 | | |
52 | | } // end namespace llvm |
53 | | |
54 | | #endif |