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Commit c1a46b72 authored by Simon Pilgrim's avatar Simon Pilgrim
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[DAGCombiner] Vector constant folding for comparisons 

This patch adds support for vector constant folding of integer/float comparisons.

This requires FoldConstantVectorArithmetic to support scalar constant operands (in this case ISD::CONDCASE). In future we should be able to support other scalar constant types as necessary (and possibly start calling FoldConstantVectorArithmetic for all node creations)

Differential Revision: http://reviews.llvm.org/D14683

llvm-svn: 253504
parent 6e557165
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