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Commit c1173e4e authored by Simon Pilgrim's avatar Simon Pilgrim
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[DAG] Use FoldConstantArithmetic for unary bitops constant folding. 

BSWAP/BITREVERSE/CTPOP/CTLZ/CTLZ_ZERO_UNDEF/CTTZ/CTTZ_ZERO_UNDEF are all handled by FoldConstantArithmetic - so use directly instead of testing for isConstantIntBuildVectorOrConstantInt and relying on DAG.getNode() to perform the constant fold.
parent f972e4d3
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