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Diffstat (limited to 'contrib/llvm/lib/Target/ARM/ARM.h')
-rw-r--r-- | contrib/llvm/lib/Target/ARM/ARM.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARM.h b/contrib/llvm/lib/Target/ARM/ARM.h new file mode 100644 index 0000000..271ca44 --- /dev/null +++ b/contrib/llvm/lib/Target/ARM/ARM.h @@ -0,0 +1,149 @@ +//===-- ARM.h - Top-level interface for ARM representation---- --*- 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 +// ARM back-end. +// +//===----------------------------------------------------------------------===// + +#ifndef TARGET_ARM_H +#define TARGET_ARM_H + +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Target/TargetMachine.h" +#include <cassert> + +namespace llvm { + +class ARMBaseTargetMachine; +class FunctionPass; +class JITCodeEmitter; +class formatted_raw_ostream; + +// Enums corresponding to ARM condition codes +namespace ARMCC { + // The CondCodes constants map directly to the 4-bit encoding of the + // condition field for predicated instructions. + enum CondCodes { // Meaning (integer) Meaning (floating-point) + EQ, // Equal Equal + NE, // Not equal Not equal, or unordered + HS, // Carry set >, ==, or unordered + LO, // Carry clear Less than + MI, // Minus, negative Less than + PL, // Plus, positive or zero >, ==, or unordered + VS, // Overflow Unordered + VC, // No overflow Not unordered + HI, // Unsigned higher Greater than, or unordered + LS, // Unsigned lower or same Less than or equal + GE, // Greater than or equal Greater than or equal + LT, // Less than Less than, or unordered + GT, // Greater than Greater than + LE, // Less than or equal <, ==, or unordered + AL // Always (unconditional) Always (unconditional) + }; + + inline static CondCodes getOppositeCondition(CondCodes CC) { + switch (CC) { + default: llvm_unreachable("Unknown condition code"); + case EQ: return NE; + case NE: return EQ; + case HS: return LO; + case LO: return HS; + case MI: return PL; + case PL: return MI; + case VS: return VC; + case VC: return VS; + case HI: return LS; + case LS: return HI; + case GE: return LT; + case LT: return GE; + case GT: return LE; + case LE: return GT; + } + } +} // namespace ARMCC + +inline static const char *ARMCondCodeToString(ARMCC::CondCodes CC) { + switch (CC) { + default: llvm_unreachable("Unknown condition code"); + case ARMCC::EQ: return "eq"; + case ARMCC::NE: return "ne"; + case ARMCC::HS: return "hs"; + case ARMCC::LO: return "lo"; + case ARMCC::MI: return "mi"; + case ARMCC::PL: return "pl"; + case ARMCC::VS: return "vs"; + case ARMCC::VC: return "vc"; + case ARMCC::HI: return "hi"; + case ARMCC::LS: return "ls"; + case ARMCC::GE: return "ge"; + case ARMCC::LT: return "lt"; + case ARMCC::GT: return "gt"; + case ARMCC::LE: return "le"; + case ARMCC::AL: return "al"; + } +} + +namespace ARM_MB { + // The Memory Barrier Option constants map directly to the 4-bit encoding of + // the option field for memory barrier operations. + enum MemBOpt { + ST = 14, + ISH = 11, + ISHST = 10, + NSH = 7, + NSHST = 6, + OSH = 3, + OSHST = 2 + }; + + inline static const char *MemBOptToString(unsigned val) { + switch (val) { + default: llvm_unreachable("Unknown memory opetion"); + case ST: return "st"; + case ISH: return "ish"; + case ISHST: return "ishst"; + case NSH: return "nsh"; + case NSHST: return "nshst"; + case OSH: return "osh"; + case OSHST: return "oshst"; + } + } +} // namespace ARM_MB + +FunctionPass *createARMISelDag(ARMBaseTargetMachine &TM, + CodeGenOpt::Level OptLevel); + +FunctionPass *createARMJITCodeEmitterPass(ARMBaseTargetMachine &TM, + JITCodeEmitter &JCE); + +FunctionPass *createARMLoadStoreOptimizationPass(bool PreAlloc = false); +FunctionPass *createARMExpandPseudoPass(); +FunctionPass *createARMGlobalMergePass(const TargetLowering* tli); +FunctionPass *createARMConstantIslandPass(); +FunctionPass *createNEONPreAllocPass(); +FunctionPass *createNEONMoveFixPass(); +FunctionPass *createThumb2ITBlockPass(); +FunctionPass *createThumb2SizeReductionPass(); + +extern Target TheARMTarget, TheThumbTarget; + +} // end namespace llvm; + +// Defines symbolic names for ARM registers. This defines a mapping from +// register name to register number. +// +#include "ARMGenRegisterNames.inc" + +// Defines symbolic names for the ARM instructions. +// +#include "ARMGenInstrNames.inc" + + +#endif |