1 //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the PowerPC specific subclass of TargetMachine.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
17 #include "PPCInstrInfo.h"
18 #include "PPCSubtarget.h"
19 #include "llvm/IR/DataLayout.h"
20 #include "llvm/Target/TargetMachine.h"
24 /// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
26 class PPCTargetMachine : public LLVMTargetMachine {
28 enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 };
30 std::unique_ptr<TargetLoweringObjectFile> TLOF;
32 PPCSubtarget Subtarget;
34 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
37 PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
38 const TargetOptions &Options, Reloc::Model RM,
39 CodeModel::Model CM, CodeGenOpt::Level OL);
41 ~PPCTargetMachine() override;
43 const PPCSubtarget *getSubtargetImpl() const override { return &Subtarget; }
44 const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
46 // Pass Pipeline Configuration
47 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
49 TargetIRAnalysis getTargetIRAnalysis() override;
51 TargetLoweringObjectFile *getObjFileLowering() const override {
54 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
55 bool isPPC64() const {
56 Triple TT(getTargetTriple());
57 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le);
61 /// PPC32TargetMachine - PowerPC 32-bit target machine.
63 class PPC32TargetMachine : public PPCTargetMachine {
64 virtual void anchor();
66 PPC32TargetMachine(const Target &T, StringRef TT,
67 StringRef CPU, StringRef FS, const TargetOptions &Options,
68 Reloc::Model RM, CodeModel::Model CM,
69 CodeGenOpt::Level OL);
72 /// PPC64TargetMachine - PowerPC 64-bit target machine.
74 class PPC64TargetMachine : public PPCTargetMachine {
75 virtual void anchor();
77 PPC64TargetMachine(const Target &T, StringRef TT,
78 StringRef CPU, StringRef FS, const TargetOptions &Options,
79 Reloc::Model RM, CodeModel::Model CM,
80 CodeGenOpt::Level OL);
83 } // end namespace llvm