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

[Evan Cheng]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

DAGCombiner.cpp updated: 1.69 -> 1.70
---
Log message:

* Fix a GlobalAddress lowering bug.
* Teach DAG combiner about X86ISD::SETCC by adding a TargetLowering hook.


---
Diffs of the changes:  (+4 -1)

 DAGCombiner.cpp |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)


Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.69 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.70
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.69	Thu Dec 15 13:02:38 2005
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp	Wed Dec 21 17:05:39 2005
@@ -455,7 +455,10 @@
     // Bit counting instructions can not set the high bits of the result
     // register.  The max number of bits sets depends on the input.
     return (Mask & (MVT::getSizeInBits(Op.getValueType())*2-1)) == 0;
-  default: break;
+  default:
+    if (Op.getOpcode() >= ISD::BUILTIN_OP_END)
+      return TLI.isMaskedValueZeroForTargetNode(Op, Mask);
+    break;
   }
   return false;
 }