Make NumMicroOps a variable in the subtarget's instruction itinerary.

[oota-llvm.git] / include / llvm / MC / MCTargetAsmParser.h

diff --git a/include/llvm/MC/MCTargetAsmParser.h b/include/llvm/MC/MCTargetAsmParser.h
index 0166f2327d6798b7dbe72c3c689ee6adf5052768..4e3fd0d3a9ec3396919671f499a26dbb2a1f79ea 100644 (file)
--- a/include/llvm/MC/MCTargetAsmParser.h
+++ b/include/llvm/MC/MCTargetAsmParser.h
@@ -18,10 +18,22 @@ class StringRef;
 class SMLoc;
 class AsmToken;
 class MCParsedAsmOperand;
+class MCInst;
 template <typename T> class SmallVectorImpl;
 
 /// MCTargetAsmParser - Generic interface to target specific assembly parsers.
 class MCTargetAsmParser : public MCAsmParserExtension {
+public:
+  enum MatchResultTy {
+    Match_ConversionFail,
+    Match_InvalidOperand,
+    Match_MissingFeature,
+    Match_MnemonicFail,
+    Match_Success,
+    FIRST_TARGET_MATCH_RESULT_TY
+  };
+
+private:
   MCTargetAsmParser(const MCTargetAsmParser &);   // DO NOT IMPLEMENT
   void operator=(const MCTargetAsmParser &);  // DO NOT IMPLEMENT
 protected: // Can only create subclasses.
@@ -78,6 +90,12 @@ public:
                           SmallVectorImpl<MCParsedAsmOperand*> &Operands,
                           MCStreamer &Out) = 0;
 
+  /// checkTargetMatchPredicate - Validate the instruction match against
+  /// any complex target predicates not expressible via match classes.
+  virtual unsigned checkTargetMatchPredicate(MCInst &Inst) {
+    return Match_Success;
+  }
+
 };
 
 } // End llvm namespace