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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+29
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-29/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [NewGVN] Fix verification of MemoryPhis in verifyMemoryCongruency().Davide Italiano2017-05-151-0/+29
verifyMemoryCongruency() filters out trivially dead MemoryDef(s), as we find them immediately dead, before moving from TOP to a new congruence class. This fixes the same problem for PHI(s) skipping MemoryPhis if all the operands are dead. Differential Revision: https://reviews.llvm.org/D33044 llvm-svn: 303100
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