LLVM  6.0.0svn
MCFixedLenDisassembler.h
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1 //===-- llvm/MC/MCFixedLenDisassembler.h - Decoder driver -------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // Fixed length disassembler decoder state machine driver.
10 //===----------------------------------------------------------------------===//
11 #ifndef LLVM_MC_MCFIXEDLENDISASSEMBLER_H
12 #define LLVM_MC_MCFIXEDLENDISASSEMBLER_H
13 
14 namespace llvm {
15 
16 namespace MCD {
17 // Disassembler state machine opcodes.
18 enum DecoderOps {
19  OPC_ExtractField = 1, // OPC_ExtractField(uint8_t Start, uint8_t Len)
20  OPC_FilterValue, // OPC_FilterValue(uleb128 Val, uint16_t NumToSkip)
21  OPC_CheckField, // OPC_CheckField(uint8_t Start, uint8_t Len,
22  // uleb128 Val, uint16_t NumToSkip)
23  OPC_CheckPredicate, // OPC_CheckPredicate(uleb128 PIdx, uint16_t NumToSkip)
24  OPC_Decode, // OPC_Decode(uleb128 Opcode, uleb128 DIdx)
25  OPC_TryDecode, // OPC_TryDecode(uleb128 Opcode, uleb128 DIdx,
26  // uint16_t NumToSkip)
27  OPC_SoftFail, // OPC_SoftFail(uleb128 PMask, uleb128 NMask)
28  OPC_Fail // OPC_Fail()
29 };
30 
31 } // namespace MCDecode
32 } // namespace llvm
33 
34 #endif
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24