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Author SHA1 Message Date
Max Kazantsev 115607226a [GVN] Prevent ScalarPRE from hoisting across instructions that don't pass control flow to successors 
This is to address a problem similar to those in D37460 for Scalar PRE. We should not
PRE across an instruction that may not pass execution to its successor unless it is safe
to speculatively execute it.

Differential Revision: https://reviews.llvm.org/D38619

llvm-svn: 319147
 2017-11-28 07:07:55 +00:00
Davide Italiano 4edd54794b [GVN] Move other PRE tests to a subdirectory. 
llvm-svn: 275742
 2016-07-17 23:55:20 +00:00