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5 Commits

Author SHA1 Message Date
Roman Lebedev 49dac4aca0
[SimplifyCFG] MergeBlockIntoPredecessor() already knows how to preserve DomTree 
... so just ensure that we pass DomTreeUpdater it into it.

Fixes DomTree preservation for a large number of tests,
all of which are marked as such so that they do not regress.
 2020-12-17 01:03:49 +03:00
Eric Christopher cee313d288 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 a863435128 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
Sanjay Patel 515b91cdef [SimplifyCFG] auto-generate complete checks; NFC 
llvm-svn: 347882
 2018-11-29 16:28:37 +00:00
Chad Rosier a72a9ff557 [ValueTracking] Support icmps fed by 'and' and 'or'. 
This patch adds support for handling some forms of ands and ors in
ValueTracking's isImpliedCondition API.

PR33611
https://reviews.llvm.org/D34901

llvm-svn: 307304
 2017-07-06 20:00:25 +00:00