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

[Evan Cheng]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

DAGCombiner.cpp updated: 1.78 -> 1.79
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Log message:

Revert the previous check-in. Leave shl x, 1 along for target to deal with.


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Diffs of the changes:  (+0 -3)

 DAGCombiner.cpp |    3 ---
 1 files changed, 3 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.78 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.79
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.78	Thu Jan  5 19:06:31 2006
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp	Thu Jan  5 19:56:02 2006
@@ -1282,9 +1282,6 @@
   // fold (shl x, 0) -> x
   if (N1C && N1C->isNullValue())
     return N0;
-  // fold (shl x, 1) -> (add x, x)
-  if (N1C && N1C->getValue() == 1)
-    return DAG.getNode(ISD::ADD, VT, N0, N0);
   // if (shl x, c) is known to be zero, return 0
   if (N1C && MaskedValueIsZero(SDOperand(N, 0), ~0ULL >> (64-OpSizeInBits),TLI))
     return DAG.getConstant(0, VT);