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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
* Handle loop with negtive induction variable incrementLawrence Hu2015-07-241-0/+48
This patch extend LoopReroll pass to hand the loops which is similar to the following: while (len > 1) { sum4 += buf[len]; sum4 += buf[len-1]; len -= 2; } llvm-svn: 243171
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