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Eli Friedman fee40fb679 LICM: Don't sink stores out of loops that may throw.
Summary:
This hasn't been caught before because it requires noalias or similarly
strong alias analysis to actually reproduce.

Fixes http://llvm.org/PR27952 .

Reviewers: hfinkel, sanjoy

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20944

llvm-svn: 271858
2016-06-05 22:13:52 +00:00
..
2016-06-05 18:01:12 +00:00