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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+100
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-100/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [SimplifyCFG] Regenerate some test cases using update_test_checks.py to ↵Craig Topper2017-10-311-18/+32
| | | | | | | | prepare for an upcoming commit. NFC A future commit will change how some of the value names in the IR are generated which causes these tests to break in their current form. The script generates checks with regular expressions so it should be immune. llvm-svn: 317023
* [SimplifyCFG] Fold `llvm.guard(false)` to unreachableSanjoy Das2016-04-211-0/+86
Summary: `llvm.guard(false)` always bails out of the current compilation unit, so we can prune any control flow following it. Reviewers: hfinkel, pcc, reames Subscribers: majnemer, reames, mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19245 llvm-svn: 266955
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