tree fd56518f6f50df5984ff2bc0ead7e9ac89e0b0e1
parent a41ebf8db9d7f38e33d414fcc9ecce4b235f6cdb
author David Green <david.green@arm.com> 1550658138 +0000
committer David Green <david.green@arm.com> 1550658138 +0000

[Codegen] Remove dead flags on Physical Defs in machine cse

We may leave behind incorrect dead flags on instructions that are CSE'd. Make
sure we remove the dead flags on physical registers to prevent other incorrect
code motion.

Differential Revision: https://reviews.llvm.org/D58115


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354443 91177308-0d34-0410-b5e6-96231b3b80d8