/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/PowerPC/PPCTargetMachine.h
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1 | | //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- 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 | | // |
10 | | // This file declares the PowerPC specific subclass of TargetMachine. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H |
15 | | #define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H |
16 | | |
17 | | #include "PPCInstrInfo.h" |
18 | | #include "PPCSubtarget.h" |
19 | | #include "llvm/IR/DataLayout.h" |
20 | | #include "llvm/Target/TargetMachine.h" |
21 | | |
22 | | namespace llvm { |
23 | | |
24 | | /// Common code between 32-bit and 64-bit PowerPC targets. |
25 | | /// |
26 | | class PPCTargetMachine final : public LLVMTargetMachine { |
27 | | public: |
28 | | enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 }; |
29 | | private: |
30 | | std::unique_ptr<TargetLoweringObjectFile> TLOF; |
31 | | PPCABI TargetABI; |
32 | | |
33 | | mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap; |
34 | | |
35 | | public: |
36 | | PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
37 | | StringRef FS, const TargetOptions &Options, |
38 | | Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
39 | | CodeGenOpt::Level OL, bool JIT); |
40 | | |
41 | | ~PPCTargetMachine() override; |
42 | | |
43 | | const PPCSubtarget *getSubtargetImpl(const Function &F) const override; |
44 | | // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, |
45 | | // subtargets are per-function entities based on the target-specific |
46 | | // attributes of each function. |
47 | | const PPCSubtarget *getSubtargetImpl() const = delete; |
48 | | |
49 | | // Pass Pipeline Configuration |
50 | | TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
51 | | |
52 | | TargetIRAnalysis getTargetIRAnalysis() override; |
53 | | |
54 | 42.5k | TargetLoweringObjectFile *getObjFileLowering() const override { |
55 | 42.5k | return TLOF.get(); |
56 | 42.5k | } |
57 | 76.9k | bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; } |
58 | 1.56M | bool isPPC64() const { |
59 | 1.56M | const Triple &TT = getTargetTriple(); |
60 | 698k | return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le); |
61 | 1.56M | }; |
62 | | |
63 | 0 | bool isMachineVerifierClean() const override { |
64 | 0 | return false; |
65 | 0 | } |
66 | | }; |
67 | | } // end namespace llvm |
68 | | |
69 | | #endif |