1 //===-- PPC.h - Top-level interface for PowerPC Target ----------*- 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 contains the entry points for global functions defined in the LLVM
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
16 #define LLVM_LIB_TARGET_POWERPC_PPC_H
18 #include "MCTargetDesc/PPCMCTargetDesc.h"
21 // GCC #defines PPC on Linux but we use it as our namespace name
25 class PPCTargetMachine;
33 FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM);
35 FunctionPass *createPPCCTRLoopsVerify();
37 FunctionPass *createPPCEarlyReturnPass();
38 FunctionPass *createPPCVSXCopyPass();
39 FunctionPass *createPPCVSXCopyCleanupPass();
40 FunctionPass *createPPCVSXFMAMutatePass();
41 FunctionPass *createPPCBranchSelectionPass();
42 FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
43 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
44 AsmPrinter &AP, bool isDarwin);
46 /// \brief Creates an PPC-specific Target Transformation Info pass.
47 ImmutablePass *createPPCTargetTransformInfoPass(const PPCTargetMachine *TM);
49 void initializePPCVSXFMAMutatePass(PassRegistry&);
50 extern char &PPCVSXFMAMutateID;
54 /// Target Operand Flag enum.
56 //===------------------------------------------------------------------===//
57 // PPC Specific MachineOperand flags.
60 /// MO_PLT_OR_STUB - On a symbol operand "FOO", this indicates that the
61 /// reference is actually to the "FOO$stub" or "FOO@plt" symbol. This is
62 /// used for calls and jumps to external functions on Tiger and earlier, and
63 /// for PIC calls on Linux and ELF systems.
66 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
67 /// the function's picbase, e.g. lo16(symbol-picbase).
70 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
71 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
74 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
75 /// symbol with hidden visibility. This causes a different kind of
76 /// non-lazy-pointer to be generated.
77 MO_NLP_HIDDEN_FLAG = 8,
79 /// The next are not flags but distinct values.
80 MO_ACCESS_MASK = 0xf0,
82 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
89 /// These values identify relocations on immediates folded
90 /// into memory operations.
91 MO_DTPREL_LO = 5 << 4,
95 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction
98 // Symbols for VK_PPC_TLSGD and VK_PPC_TLSLD in __tls_get_addr
103 } // end namespace PPCII
105 } // end namespace llvm;