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

[Chris Lattner]

Changes in directory llvm/utils/TableGen:

InstrSelectorEmitter.cpp updated: 1.24 -> 1.25
InstrSelectorEmitter.h updated: 1.15 -> 1.16

---
Log message:

Add support for naming the destination of a "set" in a pattern


---
Diffs of the changes:

Index: llvm/utils/TableGen/InstrSelectorEmitter.cpp
diff -u llvm/utils/TableGen/InstrSelectorEmitter.cpp:1.24 llvm/utils/TableGen/InstrSelectorEmitter.cpp:1.25
--- llvm/utils/TableGen/InstrSelectorEmitter.cpp:1.24	Mon Aug 11 15:25:52 2003
+++ llvm/utils/TableGen/InstrSelectorEmitter.cpp	Mon Aug 11 15:32:02 2003
@@ -138,6 +138,7 @@
       if (!Tree->getChild(0)->isLeaf())
         error("Arg #0 of set should be a register or register class!");
       Result = Tree->getChild(0)->getValueRecord();
+      ResultName = Tree->getChildName(0);
       Tree = Tree->getChild(1);
     }
   }
@@ -895,6 +896,9 @@
   for (unsigned i = 0, e = P->getNumArgs(); i != e; ++i)
     if (P->getArgName(i) == ArgName)
       return Operands[i].second + "->Val";
+
+  if (ArgName == P->getResultName())
+    return "NewReg";
   P->error("Pattern does not define a value named $" + ArgName + "!");
   return "";
 }


Index: llvm/utils/TableGen/InstrSelectorEmitter.h
diff -u llvm/utils/TableGen/InstrSelectorEmitter.h:1.15 llvm/utils/TableGen/InstrSelectorEmitter.h:1.16
--- llvm/utils/TableGen/InstrSelectorEmitter.h:1.15	Mon Aug 11 15:25:52 2003
+++ llvm/utils/TableGen/InstrSelectorEmitter.h	Mon Aug 11 15:32:02 2003
@@ -142,6 +142,7 @@
   /// register result, specified with a (set) in the pattern.
   ///
   Record *Result;
+  std::string ResultName;     // The name of the result value...
 
   /// TheRecord - The actual TableGen record corresponding to this pattern.
   ///
@@ -185,6 +186,7 @@
   TreePatternNode *getTree() const { return Tree; }
   
   Record *getResult() const { return Result; }
+  const std::string &getResultName() const { return ResultName; }
 
   /// getRecord - Return the actual TableGen record corresponding to this
   /// pattern.