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Commit 8c49366c authored by Simon Pilgrim's avatar Simon Pilgrim
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[DAGCombiner] Support (shl (ext (shl x, c1)), c2) -> 0 non-uniform folds. 

Use matchBinaryPredicate instead of isConstOrConstSplat to let us handle non-uniform shift cases. 

This requires us to tweak matchBinaryPredicate to allow it to (optionally) handle constants with different type widths.

llvm-svn: 363792
parent 85f70baa
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