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| author | Evan Cheng <evan.cheng@apple.com> | 2006-01-06 01:56:02 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-01-06 01:56:02 +0000 |
| commit | 85c973cda9109056aaafb65ebee89d7062fa45fd (patch) | |
| tree | d3b4f38fa38544d967f8a5d8f80e06bcc2539343 /llvm/lib/CodeGen | |
| parent | b03f9b32d282c665c571d3fca88fad5eaf5393be (diff) | |
| download | bcm5719-llvm-85c973cda9109056aaafb65ebee89d7062fa45fd.tar.gz bcm5719-llvm-85c973cda9109056aaafb65ebee89d7062fa45fd.zip | |
Revert the previous check-in. Leave shl x, 1 along for target to deal with.
llvm-svn: 25121
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 9770ae232bf..30a4c9f637c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1282,9 +1282,6 @@ SDOperand DAGCombiner::visitSHL(SDNode *N) { // 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); |
