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| author | Bill Wendling <isanbard@gmail.com> | 2010-04-20 01:25:01 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-04-20 01:25:01 +0000 |
| commit | 467e6c2deb2fb47fa22b5ff02651daade327c78f (patch) | |
| tree | a19f51947d4860719d73ef2fbb1fad0899c4e57e /llvm/lib/CodeGen/SelectionDAG | |
| parent | 4025306a91c78ecfc23cde2311d90b1b65f28e2a (diff) | |
| download | bcm5719-llvm-467e6c2deb2fb47fa22b5ff02651daade327c78f.tar.gz bcm5719-llvm-467e6c2deb2fb47fa22b5ff02651daade327c78f.zip | |
The visitXOR method can return the same SDNode. If so, we don't want to delete
it as it's not dead.
llvm-svn: 101855
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index f15c121668f..7ece6e85216 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4911,7 +4911,7 @@ SDValue DAGCombiner::visitBRCOND(SDNode *N) { if (Op0.getOpcode() == Op1.getOpcode()) { // Avoid missing important xor optimizations. SDValue Tmp = visitXOR(TheXor); - if (Tmp.getNode()) { + if (Tmp.getNode() && Tmp.getNode() != TheXor) { DEBUG(dbgs() << "\nReplacing.8 "; TheXor->dump(&DAG); dbgs() << "\nWith: "; |
