As it's causing some bot failures (and per request from kbarton).
This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358546 91177308-0d34-0410-b5e6-96231b3b80d8
This results in small increases in the size of the .debug_loc section
and the number of unique source variables in a stage2 build of opt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@325301 91177308-0d34-0410-b5e6-96231b3b80d8
Also add a very basic test, since apparently there aren't any tests
for DCE whatsoever to add the new pass version to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267196 91177308-0d34-0410-b5e6-96231b3b80d8
