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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+103
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-103/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [LoopRotate] fix crash encountered with callbrNick Desaulniers2019-03-061-0/+103
Summary: While implementing inlining support for callbr (https://bugs.llvm.org/show_bug.cgi?id=40722), I hit a crash in Loop Rotation when trying to build the entire x86 Linux kernel (drivers/char/random.c). This is a small fix up to r353563. Test case is drivers/char/random.c (with callbr's inlined), then ran through creduce, then `opt -opt-bisect-limit=<limit>`, then bugpoint. Thanks to Craig Topper for immediately spotting the fix, and teaching me how to fish. Reviewers: craig.topper, jyknight Reviewed By: craig.topper Subscribers: hiraditya, llvm-commits, srhines Tags: #llvm Differential Revision: https://reviews.llvm.org/D58929 llvm-svn: 355564
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