[llvm-commits] [llvm] r48140 - /llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

Evan Cheng evan.cheng at apple.com
Mon Mar 10 00:59:01 PDT 2008


Author: evancheng
Date: Mon Mar 10 02:59:01 2008
New Revision: 48140

URL: http://llvm.org/viewvc/llvm-project?rev=48140&view=rev
Log:
Doh

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=48140&r1=48139&r2=48140&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Mon Mar 10 02:59:01 2008
@@ -1102,12 +1102,13 @@
   }
   
   // fold (sub x, x) -> 0
-  if (N0 == N1)
+  if (N0 == N1) {
     if (ISD::isBuildVectorAllZeros(N0.Val))
       // Zero vectors might be normalized to a particular vector type to ensure
       // they are CSE'd. Return it as it is.
       return N0;
     return DAG.getConstant(0, N->getValueType(0));
+  }
   // fold (sub c1, c2) -> c1-c2
   if (N0C && N1C)
     return DAG.getNode(ISD::SUB, VT, N0, N1);





More information about the llvm-commits mailing list