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Author SHA1 Message Date
Eric Christopher
a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass."" 
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
 2019-04-17 04:52:47 +00:00
Eric Christopher
71d1cca7ef Temporarily Revert "Add basic loop fusion pass." 
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
 2019-04-17 02:12:23 +00:00
Max Kazantsev
a1bb2064f1 [EarlyCSE] Propagate conditions of AND and OR instructions 
This patches teaches EarlyCSE to figure out that if `and i1 %x, %y` is true then both
`%x` and `%y` are true in the taken branch, and if `or i1 %x, %y` is false then both
`%x` and `%y` are false in non-taken branch. Fix for PR37635.

Differential Revision: https://reviews.llvm.org/D47574
Reviewed By: reames

llvm-svn: 334707
 2018-06-14 13:02:13 +00:00