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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+75
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-75/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [SCEV] Do not visit nodes twice in containsConstantSomewhereMax Kazantsev2017-07-281-0/+75
This patch reworks the function that searches constants in Add and Mul SCEV expression chains so that now it does not visit a node more than once, and also renames this function for better correspondence between its implementation and semantics. Differential Revision: https://reviews.llvm.org/D35931 llvm-svn: 309367
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