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 *createPPCVSXFMAMutatePass();
40 FunctionPass *createPPCBranchSelectionPass();
41 FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
42 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
43 AsmPrinter &AP, bool isDarwin);
45 void initializePPCVSXFMAMutatePass(PassRegistry&);
46 extern char &PPCVSXFMAMutateID;
50 /// Target Operand Flag enum.
52 //===------------------------------------------------------------------===//
53 // PPC Specific MachineOperand flags.
56 /// MO_PLT_OR_STUB - On a symbol operand "FOO", this indicates that the
57 /// reference is actually to the "FOO$stub" or "FOO@plt" symbol. This is
58 /// used for calls and jumps to external functions on Tiger and earlier, and
59 /// for PIC calls on Linux and ELF systems.
62 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
63 /// the function's picbase, e.g. lo16(symbol-picbase).
66 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
67 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
70 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
71 /// symbol with hidden visibility. This causes a different kind of
72 /// non-lazy-pointer to be generated.
73 MO_NLP_HIDDEN_FLAG = 8,
75 /// The next are not flags but distinct values.
76 MO_ACCESS_MASK = 0xf0,
78 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
85 /// These values identify relocations on immediates folded
86 /// into memory operations.
87 MO_DTPREL_LO = 5 << 4,
91 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction
94 // Symbols for VK_PPC_TLSGD and VK_PPC_TLSLD in __tls_get_addr
99 } // end namespace PPCII
101 } // end namespace llvm;