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//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// PowerPC back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
#define LLVM_LIB_TARGET_POWERPC_PPC_H
#include "MCTargetDesc/PPCMCTargetDesc.h"
#include <string>
// GCC #defines PPC on Linux but we use it as our namespace name
#undef PPC
namespace llvm {
class PPCTargetMachine;
class PassRegistry;
class FunctionPass;
class ImmutablePass;
class MachineInstr;
class AsmPrinter;
class MCInst;
FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM);
#ifndef NDEBUG
FunctionPass *createPPCCTRLoopsVerify();
#endif
FunctionPass *createPPCEarlyReturnPass();
FunctionPass *createPPCVSXCopyPass();
FunctionPass *createPPCVSXCopyCleanupPass();
FunctionPass *createPPCVSXFMAMutatePass();
FunctionPass *createPPCBranchSelectionPass();
FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
AsmPrinter &AP, bool isDarwin);
/// \brief Creates an PPC-specific Target Transformation Info pass.
ImmutablePass *createPPCTargetTransformInfoPass(const PPCTargetMachine *TM);
void initializePPCVSXFMAMutatePass(PassRegistry&);
extern char &PPCVSXFMAMutateID;
namespace PPCII {
/// Target Operand Flag enum.
enum TOF {
//===------------------------------------------------------------------===//
// PPC Specific MachineOperand flags.
MO_NO_FLAG,
/// MO_PLT_OR_STUB - On a symbol operand "FOO", this indicates that the
/// reference is actually to the "FOO$stub" or "FOO@plt" symbol. This is
/// used for calls and jumps to external functions on Tiger and earlier, and
/// for PIC calls on Linux and ELF systems.
MO_PLT_OR_STUB = 1,
/// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
/// the function's picbase, e.g. lo16(symbol-picbase).
MO_PIC_FLAG = 2,
/// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
/// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
MO_NLP_FLAG = 4,
/// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
/// symbol with hidden visibility. This causes a different kind of
/// non-lazy-pointer to be generated.
MO_NLP_HIDDEN_FLAG = 8,
/// The next are not flags but distinct values.
MO_ACCESS_MASK = 0xf0,
/// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
MO_LO = 1 << 4,
MO_HA = 2 << 4,
MO_TPREL_LO = 4 << 4,
MO_TPREL_HA = 3 << 4,
/// These values identify relocations on immediates folded
/// into memory operations.
MO_DTPREL_LO = 5 << 4,
MO_TLSLD_LO = 6 << 4,
MO_TOC_LO = 7 << 4,
// Symbol for VK_PPC_TLS fixup attached to an ADD instruction
MO_TLS = 8 << 4,
// Symbols for VK_PPC_TLSGD and VK_PPC_TLSLD in __tls_get_addr
// call sequences.
MO_TLSLD = 9 << 4,
MO_TLSGD = 10 << 4
};
} // end namespace PPCII
} // end namespace llvm;
#endif
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