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Apply a fix for a vector setcc dagcombine from Jan Sjodin. No

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testcase yet, as the testcase now fails downstream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-04-24 01:17:30 +00:00
parent a870256d7d
commit a7bcef1bce
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -3474,8 +3474,9 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
}
// sext(setcc x, y, cc) -> (select_cc x, y, -1, 0, cc)
unsigned ElementWidth = VT.getScalarType().getSizeInBits();
SDValue NegOne =
DAG.getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT);
DAG.getConstant(APInt::getAllOnesValue(ElementWidth), VT);
SDValue SCC =
SimplifySelectCC(N->getDebugLoc(), N0.getOperand(0), N0.getOperand(1),
NegOne, DAG.getConstant(0, VT),