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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+140
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-140/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [TTI] Refine the cost of EXT in getUserCost()Haicheng Wu2017-07-151-0/+140
Now, getUserCost() only checks the src and dst types of EXT to decide it is free or not. This change first checks the types, then calls isExtFreeImpl(), and check if EXT can form ExtLoad at last. Currently, only AArch64 has customized implementation of isExtFreeImpl() to check if EXT can be folded into its use. Differential Revision: https://reviews.llvm.org/D34458 llvm-svn: 308076
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