[DSE] Check post-dominance for malloc+memset->calloc transform.
authorAlina Sbirlea <asbirlea@google.com>
Fri, 20 Aug 2021 17:33:33 +0000 (10:33 -0700)
committerAlina Sbirlea <asbirlea@google.com>
Mon, 23 Aug 2021 19:39:51 +0000 (12:39 -0700)
commite8723abf43c37aff4d6d9b6ba131e345b74c7798
treede7951a53647a233910add29cc4ca724d5d01d1a
parent2540c773600250c2f7a2773f1102dd56cff0e5a9
[DSE] Check post-dominance for malloc+memset->calloc transform.

Aiming to address the regression discussed in
https://reviews.llvm.org/D103009.

Differential Revision: https://reviews.llvm.org/D108485
llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
llvm/test/Transforms/DeadStoreElimination/noop-stores.ll