tree 5b1b52ccb221ef55b4e532601f90980e3774142e
parent b575b771c7b756d510c52251869418e96926d2d4
author Wolfgang Pieb <Wolfgang.Pieb@sony.com> 1555349789 +0000
committer Wolfgang Pieb <Wolfgang.Pieb@sony.com> 1555349789 +0000

[DEBUGINFO] Prevent Instcombine from dropping debuginfo when removing zexts

Zexts can be treated like no-op casts when it comes to assessing whether their
removal affects debug info.

Reviewer: aprantl

Differential Revision: https://reviews.llvm.org/D60641


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358431 91177308-0d34-0410-b5e6-96231b3b80d8