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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+98
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-98/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [NewGVN] Now that load coercion is enable, we pass this test.Davide Italiano2017-08-021-1/+0
| | | | llvm-svn: 309872
* NewGVN: Handle coercion of constant stores, loads, memory insts.Daniel Berlin2017-04-021-1/+0
| | | | | | | | | | | | | | | | | Summary: Depends on D30928. This adds support for coercion of stores and memory instructions that do not require insertion to process. Another few tests down. I added the relevant tests from rle.ll Reviewers: davide Subscribers: llvm-commits, Prazek Differential Revision: https://reviews.llvm.org/D30929 llvm-svn: 299330
* NewGVN: Update a number of xfailed tests to either be correct or noteDaniel Berlin2017-02-121-1/+1
| | | | | | why they fail. llvm-svn: 294928
* Fix some DOS-style line endings that I suspect snuck in from one of theChandler Carruth2016-12-231-100/+100
| | | | | | | frustrating Subversion clients that fails to do line ending translation of text files. llvm-svn: 290404
* [GVN] Initial check-in of a new global value numbering algorithm.Davide Italiano2016-12-221-0/+100
The code have been developed by Daniel Berlin over the years, and the new implementation goal is that of addressing shortcomings of the current GVN infrastructure, i.e. long compile time for large testcases, lack of phi predication, no load/store value numbering etc... The current code just implements the "core" GVN algorithm, although other pieces (load coercion, phi handling, predicate system) are already implemented in a branch out of tree. Once the core is stable, we'll start adding pieces on top of the base framework. The test currently living in test/Transform/NewGVN are a copy of the ones in GVN, with proper `XFAIL` (missing features in NewGVN). A flag will be added in a future commit to enable NewGVN, so that interested parties can exercise this code easily. Differential Revision: https://reviews.llvm.org/D26224 llvm-svn: 290346
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