tree fe3fd59deff0a9c4b4d8c18d4b76f729a912415f
parent e598074374d3ce1cd8637ff69b49dc957844018f
author Clement Courbet <courbet@google.com> 1550476741 +0000
committer Clement Courbet <courbet@google.com> 1550476741 +0000

[DAGCombiner] Eliminate dead stores to stack.

Summary:
A store to an object whose lifetime is about to end can be removed.

See PR40550 for motivation.

Reviewers: niravd

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D57541

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354244 91177308-0d34-0410-b5e6-96231b3b80d8