[llvm-commits] CVS: llvm/utils/TableGen/CodeGenTarget.cpp CodeGenInstruction.h

Chris Lattner lattner at cs.uiuc.edu
Tue Aug 10 19:23:50 PDT 2004



Changes in directory llvm/utils/TableGen:

CodeGenTarget.cpp updated: 1.13 -> 1.14
CodeGenInstruction.h updated: 1.2 -> 1.3
---
Log message:

Start parsing more information from the Operand information


---
Diffs of the changes:  (+35 -8)

Index: llvm/utils/TableGen/CodeGenTarget.cpp
diff -u llvm/utils/TableGen/CodeGenTarget.cpp:1.13 llvm/utils/TableGen/CodeGenTarget.cpp:1.14
--- llvm/utils/TableGen/CodeGenTarget.cpp:1.13	Tue Aug 10 20:53:58 2004
+++ llvm/utils/TableGen/CodeGenTarget.cpp	Tue Aug 10 21:22:39 2004
@@ -132,19 +132,26 @@
   try {
     DagInit *DI = R->getValueAsDag("OperandList");
 
+    unsigned MIOperandNo = 0;
     for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i)
       if (DefInit *Arg = dynamic_cast<DefInit*>(DI->getArg(i))) {
         Record *Rec = Arg->getDef();
         MVT::ValueType Ty;
+        std::string PrintMethod = "printOperand";
+        unsigned NumOps = 1;
         if (Rec->isSubClassOf("RegisterClass"))
           Ty = getValueType(Rec->getValueAsDef("RegType"));
-        else if (Rec->isSubClassOf("Operand"))
+        else if (Rec->isSubClassOf("Operand")) {
           Ty = getValueType(Rec->getValueAsDef("Type"));
-        else
+          PrintMethod = Rec->getValueAsString("PrintMethod");
+          NumOps = Rec->getValueAsInt("NumMIOperands");
+        } else
           throw "Unknown operand class '" + Rec->getName() +
                 "' in instruction '" + R->getName() + "' instruction!";
         
-        OperandList.push_back(OperandInfo(Rec, Ty, DI->getArgName(i)));
+        OperandList.push_back(OperandInfo(Rec, Ty, DI->getArgName(i),
+                                          PrintMethod, MIOperandNo));
+        MIOperandNo += NumOps;
       } else {
         throw "Illegal operand for the '" + R->getName() + "' instruction!";
       }


Index: llvm/utils/TableGen/CodeGenInstruction.h
diff -u llvm/utils/TableGen/CodeGenInstruction.h:1.2 llvm/utils/TableGen/CodeGenInstruction.h:1.3
--- llvm/utils/TableGen/CodeGenInstruction.h:1.2	Sun Aug  1 02:42:39 2004
+++ llvm/utils/TableGen/CodeGenInstruction.h	Tue Aug 10 21:22:39 2004
@@ -31,15 +31,35 @@
     /// instruction.
     std::string AsmString;
 
-    /// OperandInfo - For each operand declared in the OperandList of the
-    /// instruction, keep track of its record (which specifies the class of the
-    /// operand), its type, and the name given to the operand, if any.
+    /// OperandInfo - The information we keep track of for each operand in the
+    /// operand list for a tablegen instruction.
     struct OperandInfo {
+      /// Rec - The definition this operand is declared as.
       Record *Rec;
+
+      /// Ty - The MachineValueType of the operand.
+      ///
       MVT::ValueType Ty;
+
+      /// Name - If this operand was assigned a symbolic name, this is it,
+      /// otherwise, it's empty.
       std::string Name;
-      OperandInfo(Record *R, MVT::ValueType T, const std::string &N)
-        : Rec(R), Ty(T), Name(N) {}
+
+      /// PrinterMethodName - The method used to print operands of this type in
+      /// the asmprinter.
+      std::string PrinterMethodName;
+
+      /// MIOperandNo - Currently (this is meant to be phased out), some logical
+      /// operands correspond to multiple MachineInstr operands.  In the X86
+      /// target for example, one address operand is represented as 4
+      /// MachineOperands.  Because of this, the operand number in the
+      /// OperandList may not match the MachineInstr operand num.  Until it
+      /// does, this contains the MI operand index of this operand.
+      unsigned MIOperandNo;
+
+      OperandInfo(Record *R, MVT::ValueType T, const std::string &N,
+                  const std::string &PMN, unsigned MION)
+        : Rec(R), Ty(T), Name(N), PrinterMethodName(PMN), MIOperandNo(MION) {}
     };
     
     /// OperandList - The list of declared operands, along with their declared






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