Akira Hatanaka
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f6afd11538
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[InstCombine] Preserve metadata when merging loads that are phi
arguments.
Make sure InstCombiner::FoldPHIArgLoadIntoPHI doesn't drop the following
metadata:
MD_tbaa
MD_alias_scope
MD_noalias
MD_invariant_load
MD_nonnull
MD_range
rdar://problem/17617709
Differential Revision: http://reviews.llvm.org/D12710
llvm-svn: 248419
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2015-09-23 18:40:57 +00:00 |