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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+101
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-101/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [LSR] Rewrite misses some fixup locations if it splits critical edgeQuentin Colombet2019-04-151-0/+101
If LSR split critical edge during rewriting phi operands and phi node has other pending fixup operands, we need to update those pending fixups. Otherwise formulae will not be implemented completely and some instructions will not be eliminated. llvm.org/PR41445 Differential Revision: https://reviews.llvm.org/D60645 Patch by: Denis Bakhvalov <denis.bakhvalov@intel.com> llvm-svn: 358457
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