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SimplifySelectOps can only handle selects with a scalar condition. Add a check

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that the condition is not a vector.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125398 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2011-02-11 19:57:47 +00:00
parent d2f27ead2d
commit f94fdb6f57
1 changed files with 3 additions and 0 deletions
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lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -6872,6 +6872,9 @@ SDValue DAGCombiner::SimplifySelect(DebugLoc DL, SDValue N0,
bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDValue LHS,
SDValue RHS) {
// Cannot simplify select with vector condition
if (TheSelect->getOperand(0).getValueType().isVector()) return false;
// If this is a select from two identical things, try to pull the operation
// through the select.
if (LHS.getOpcode() != RHS.getOpcode() ||