Changes in directory llvm/lib/CodeGen/SelectionDAG:
DAGCombiner.cpp updated: 1.78 -> 1.79
---
Log message:
Revert the previous check-in. Leave shl x, 1 along for target to deal with.
---
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);
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