Igor Laevsky 029bd93c5d [DeadStoreElimination] Remove dead zero store to calloc initialized memory
This change allows dead store elimination to remove zero and null stores into memory freshly allocated with calloc-like function.

Differential Revision: http://reviews.llvm.org/D13021

llvm-svn: 248374
2015-09-23 11:38:44 +00:00
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