[llvm] r187511 - TableGen: Enumerate Schedule Model too.

[Vincent Lejeune]

Author: vljn
Date: Wed Jul 31 14:31:20 2013
New Revision: 187511

URL: http://llvm.org/viewvc/llvm-project?rev=187511&view=rev
Log:
TableGen: Enumerate Schedule Model too.

Modified:
    llvm/trunk/docs/WritingAnLLVMBackend.rst
    llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp

Modified: llvm/trunk/docs/WritingAnLLVMBackend.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/WritingAnLLVMBackend.rst?rev=187511&r1=187510&r2=187511&view=diff
==============================================================================
--- llvm/trunk/docs/WritingAnLLVMBackend.rst (original)
+++ llvm/trunk/docs/WritingAnLLVMBackend.rst Wed Jul 31 14:31:20 2013
@@ -952,6 +952,11 @@ XXXInstrInfo.h:
     int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIndex);
   } // End namespace XXX
 
+Instruction itineraries can be queried using MCDesc::getSchedClass(). The
+value can be named by an enum generated by TableGen in XXXGenInstrInfo.inc.
+The name of the schedule classes are the same as provided in XXXSchedule.td plus
+a default NoIntinerary class.
+
 Instruction Relation Mapping
 ----------------------------
 

Modified: llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp?rev=187511&r1=187510&r2=187511&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp Wed Jul 31 14:31:20 2013
@@ -545,6 +545,13 @@ void InstrInfoEmitter::emitEnums(raw_ost
        << "\t= " << i << ",\n";
   }
   OS << "    INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\n";
+  OS << "  };\n";
+  OS << "  enum {\n";
+  for (unsigned i = 0, e = SchedModels.numInstrSchedClasses(); i != e; ++i) {
+    OS << "    " << SchedModels.getSchedClass(i).Name
+       << "\t= " << i << ",\n";
+  }
+  OS << "    SCHED_LIST_END = " << SchedModels.numInstrSchedClasses() << "\n";
   OS << "  };\n}\n";
   OS << "} // End llvm namespace \n";