2 files changed, 39 insertions, 0 deletions
diff --git a/include/llvm/MC/MCFixedLenDisassembler.h b/include/llvm/MC/MCFixedLenDisassembler.h
new file mode 100644
index 0000000..22b3c32
--- /dev/null
+++ b/include/llvm/MC/MCFixedLenDisassembler.h
@@ -0,0 +1,32 @@
+//===-- llvm/MC/MCFixedLenDisassembler.h - Decoder driver -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// Fixed length disassembler decoder state machine driver.
+//===----------------------------------------------------------------------===//
+#ifndef MCFIXEDLENDISASSEMBLER_H
+#define MCFIXEDLENDISASSEMBLER_H
+
+namespace llvm {
+
+namespace MCD {
+// Disassembler state machine opcodes.
+enum DecoderOps {
+  OPC_ExtractField = 1, // OPC_ExtractField(uint8_t Start, uint8_t Len)
+  OPC_FilterValue,      // OPC_FilterValue(uleb128 Val, uint16_t NumToSkip)
+  OPC_CheckField,       // OPC_CheckField(uint8_t Start, uint8_t Len,
+                        //                uleb128 Val, uint16_t NumToSkip)
+  OPC_CheckPredicate,   // OPC_CheckPredicate(uleb128 PIdx, uint16_t NumToSkip)
+  OPC_Decode,           // OPC_Decode(uleb128 Opcode, uleb128 DIdx)
+  OPC_SoftFail,         // OPC_SoftFail(uleb128 PMask, uleb128 NMask)
+  OPC_Fail              // OPC_Fail()
+};
+
+} // namespace MCDecode
+} // namespace llvm
+
+#endif
diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h
index 186612d..dbf16d8 100644
--- a/include/llvm/MC/MCInstrDesc.h
+++ b/include/llvm/MC/MCInstrDesc.h
@@ -107,6 +107,7 @@ namespace MCID {
     Compare,
     MoveImm,
     Bitcast,
+    Select,
     DelaySlot,
     FoldableAsLoad,
     MayLoad,
@@ -282,6 +283,12 @@ public:
     return Flags & (1 << MCID::Bitcast);
   }
 
+  /// isSelect - Return true if this is a select instruction.
+  ///
+  bool isSelect() const {
+    return Flags & (1 << MCID::Select);
+  }
+
   /// isNotDuplicable - Return true if this instruction cannot be safely
   /// duplicated.  For example, if the instruction has a unique labels attached
   /// to it, duplicating it would cause multiple definition errors.