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Commit d2b6fdbc authored by Michael Kuperstein's avatar Michael Kuperstein
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Teach isDereferenceablePointer() to look through bitcast constant expressions. 

This fixes a LICM regression due to the new load+store pair canonicalization.

Differential Revision: http://reviews.llvm.org/D7411

llvm-svn: 228284
parent 0857a1da
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