James Y Knight 1f3e6af7d0 [SPARC] Switch to the Machine Scheduler. ...

The (mostly-deprecated) SelectionDAG-based ILPListDAGScheduler scheduler
was making poor scheduling decisions, causing high register pressure and
extraneous register spills.

Switching to the newer machine scheduler generates better code -- even
without there being a machine model defined for SPARC yet.

(Actually committing the test changes too, this time, unlike r247315)

llvm-svn: 247343

2015-09-10 21:49:06 +00:00

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