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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+316
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-316/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [ARM] Allow unrolling of multi-block loops.Sam Parker2017-10-231-0/+316
Before, loop unrolling was only enabled for loops with a single block. This restriction has been removed and replaced by: - allow a maximum of two exiting blocks, - a four basic block limit for cores with a branch predictor. Differential Revision: https://reviews.llvm.org/D38952 llvm-svn: 316313
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