Add a new field to MCOperandInfo that contains information about the type of the Operand.

- The actual values are from the MCOI::OperandType enum.
- Teach tblgen to read it from the instruction definition.
- This is a better implementation of the hacks in edis.

llvm-svn: 135197

1 files changed, 7 insertions, 3 deletions

diff --git a/llvm/utils/TableGen/CodeGenInstruction.cpp b/llvm/utils/TableGen/CodeGenInstruction.cpp
index d1e63a9..a52ce86c 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.cpp
+++ b/llvm/utils/TableGen/CodeGenInstruction.cpp
@@ -67,12 +67,14 @@ CGIOperandList::CGIOperandList(Record *R) : TheDef(R) {
     Record *Rec = Arg->getDef();
     std::string PrintMethod = "printOperand";
     std::string EncoderMethod;
+    std::string OperandType = "OPERAND_UNKNOWN";
     unsigned NumOps = 1;
     DagInit *MIOpInfo = 0;
     if (Rec->isSubClassOf("RegisterOperand")) {
       PrintMethod = Rec->getValueAsString("PrintMethod");
     } else if (Rec->isSubClassOf("Operand")) {
       PrintMethod = Rec->getValueAsString("PrintMethod");
+      OperandType = Rec->getValueAsString("OperandType");
       // If there is an explicit encoder method, use it.
       EncoderMethod = Rec->getValueAsString("EncoderMethod");
       MIOpInfo = Rec->getValueAsDag("MIOperandInfo");
@@ -96,8 +98,9 @@ CGIOperandList::CGIOperandList(Record *R) : TheDef(R) {
     } else if (Rec->getName() == "variable_ops") {
       isVariadic = true;
       continue;
-    } else if (!Rec->isSubClassOf("RegisterClass") &&
-               !Rec->isSubClassOf("PointerLikeRegClass") &&
+    } else if (Rec->isSubClassOf("RegisterClass")) {
+      OperandType = "OPERAND_REGISTER";
+    } else if (!Rec->isSubClassOf("PointerLikeRegClass") &&
                Rec->getName() != "unknown")
       throw "Unknown operand class '" + Rec->getName() +
       "' in '" + R->getName() + "' instruction!";
@@ -111,7 +114,8 @@ CGIOperandList::CGIOperandList(Record *R) : TheDef(R) {
       " has the same name as a previous operand!";
 
     OperandList.push_back(OperandInfo(Rec, ArgName, PrintMethod, EncoderMethod,
-                                      MIOperandNo, NumOps, MIOpInfo));
+                                      OperandType, MIOperandNo, NumOps,
+                                      MIOpInfo));
     MIOperandNo += NumOps;
   }