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

[Chris Lattner]

Changes in directory llvm/utils/TableGen:

DAGISelEmitter.cpp updated: 1.187 -> 1.188
---
Log message:

Add a missing check which cause an invalid .td file to crash tblgen


---
Diffs of the changes:  (+3 -0)

 DAGISelEmitter.cpp |    3 +++
 1 files changed, 3 insertions(+)


Index: llvm/utils/TableGen/DAGISelEmitter.cpp
diff -u llvm/utils/TableGen/DAGISelEmitter.cpp:1.187 llvm/utils/TableGen/DAGISelEmitter.cpp:1.188
--- llvm/utils/TableGen/DAGISelEmitter.cpp:1.187	Sat Mar 25 00:47:53 2006
+++ llvm/utils/TableGen/DAGISelEmitter.cpp	Sat Mar 25 16:12:44 2006
@@ -1342,6 +1342,9 @@
       
       // Check that it exists in InstResults.
       TreePatternNode *RNode = InstResults[OpName];
+      if (RNode == 0)
+        I->error("Operand $" + OpName + " does not exist in operand list!");
+        
       if (i == 0)
         Res0Node = RNode;
       Record *R = dynamic_cast<DefInit*>(RNode->getLeafValue())->getDef();