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 // Calculates type size & alignment
34 PPCSubtarget Subtarget;
36 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
39 PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
40 const TargetOptions &Options, Reloc::Model RM,
41 CodeModel::Model CM, CodeGenOpt::Level OL);
43 ~PPCTargetMachine() override;
45 const DataLayout *getDataLayout() const override { return &DL; }
46 const PPCSubtarget *getSubtargetImpl() const override { return &Subtarget; }
47 const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
49 // Pass Pipeline Configuration
50 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
52 TargetIRAnalysis getTargetIRAnalysis() override;
54 TargetLoweringObjectFile *getObjFileLowering() const override {
57 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
58 bool isPPC64() const {
59 Triple TT(getTargetTriple());
60 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le);
64 /// PPC32TargetMachine - PowerPC 32-bit target machine.
66 class PPC32TargetMachine : public PPCTargetMachine {
67 virtual void anchor();
69 PPC32TargetMachine(const Target &T, StringRef TT,
70 StringRef CPU, StringRef FS, const TargetOptions &Options,
71 Reloc::Model RM, CodeModel::Model CM,
72 CodeGenOpt::Level OL);
75 /// PPC64TargetMachine - PowerPC 64-bit target machine.
77 class PPC64TargetMachine : public PPCTargetMachine {
78 virtual void anchor();
80 PPC64TargetMachine(const Target &T, StringRef TT,
81 StringRef CPU, StringRef FS, const TargetOptions &Options,
82 Reloc::Model RM, CodeModel::Model CM,
83 CodeGenOpt::Level OL);
86 } // end namespace llvm