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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-174-0/+111
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-174-111/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [PowerPC] Update Vector Costs for P9Nemanja Ivanovic2019-01-261-0/+39
| | | | | | | | | | | | | For the power9 CPU, vector operations consume a pair of execution units rather than one execution unit like a scalar operation. Update the target transform cost functions to reflect the higher cost of vector operations when targeting Power9. Patch by RolandF. Differential revision: https://reviews.llvm.org/D55461 llvm-svn: 352261
* [SLP]Update test checks for the SPL vectorizer, NFC.Alexey Bataev2019-01-111-3/+20
| | | | llvm-svn: 350967
* [SLP] Update tests checks, NFC.Alexey Bataev2018-01-051-4/+9
| | | | llvm-svn: 321869
* [SLPVectorizer] Don't ignore scalar extraction instructions of aggregate valueGuozhi Wei2017-12-141-0/+19
| | | | | | | | | In SLPVectorizer, the vector build instructions (insertvalue for aggregate type) is passed to BoUpSLP.buildTree, it is treated as UserIgnoreList, so later in cost estimation, the cost of these instructions are not counted. For aggregate value, later usage are more likely to be done in scalar registers, either used as individual scalars or used as a whole for function call or return value. Ignore scalar extraction instructions may cause too aggressive vectorization for aggregate values, and slow down performance. So for vectorization of aggregate value, the scalar extraction instructions are required in cost estimation. Differential Revision: https://reviews.llvm.org/D41139 llvm-svn: 320736
* [SLP] Pass in correct alignment when query memory access costGuozhi Wei2016-05-312-0/+31
This patch fixes bug https://llvm.org/bugs/show_bug.cgi?id=27897. When query memory access cost, current SLP always passes in alignment value of 1 (unaligned), so it gets a very high cost of scalar memory access, and wrongly vectorize memory loads in the test case. It can be fixed by simply giving correct alignment. llvm-svn: 271333
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