As it's causing some bot failures (and per request from kbarton).
This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.
llvm-svn: 358546
Summary:
Update MemorySSA in old LoopUnswitch pass.
Actual dependency and update is disabled by default.
Subscribers: sanjoy, jlebar, Prazek, llvm-commits
Differential Revision: https://reviews.llvm.org/D45301
llvm-svn: 341984
(h/t to Chandler for pointing this out)
The test in question was not at all testing what it was supposed to
test. We do not //care// about placing `!make.implicit` in inner
constant branch (since it will be folded away anyway). We care about
placing `!make.implicit` in the outer branch that switches between
either version of the loop.
Having said that, it is _correct_ to leave behind the `!make.implicit`
in the inner branch, but there is no need to do so.
llvm-svn: 299912