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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+48
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-48/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [AggressiveInstCombine] Make TruncCombine class ignore unreachable basic blocks.Amjad Aboud2018-01-311-0/+48
Because dead code may contain non-standard IR that causes infinite looping or crashes in underlying analysis. See PR36134 for more details. Differential Revision: https://reviews.llvm.org/D42683 llvm-svn: 323862
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