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* [Hexagon] Simplify CFG after atomic expansionKrzysztof Parzyszek2018-08-021-4/+4
| | | | | | | | | | This will remove suboptimal branching from the generated ll/sc loops. The extra simplification pass affects a lot of testcases, which have been modified to accommodate this change: either by modifying the test to become immune to the CFG simplification, or (less preferablt) by adding option -hexagon-initial-cfg-clenaup=0. llvm-svn: 338774
* [Hexagon] Cache loads to select to avoid traversing mutating DAGKrzysztof Parzyszek2017-12-181-0/+32
llvm-svn: 321034
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