Max Kazantsev 7d49a3a816 [LICM] Hoist guards from non-header blocks ...

This patch relaxes overconservative checks on whether or not we could write
memory before we execute an instruction. This allows us to hoist guards out of
loops even if they are not in the header block.

Differential Revision: https://reviews.llvm.org/D50891
Reviewed By: fedor.sergeev

llvm-svn: 346643

2018-11-12 09:29:58 +00:00

5.2 KiB

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