[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

LegalizeDAG.cpp updated: 1.354 -> 1.355
---
Log message:

add a sanity check: LegalizeOp should return a value that is the same type
as its input.


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

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


Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.354 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.355
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.354	Fri Apr  7 20:46:37 2006
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp	Fri Apr  7 23:13:17 2006
@@ -2688,6 +2688,9 @@
   }
   }
   
+  assert(Result.getValueType() == Op.getValueType() &&
+         "Bad legalization!");
+  
   // Make sure that the generated code is itself legal.
   if (Result != Op)
     Result = LegalizeOp(Result);