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Author SHA1 Message Date
Jonas Paulsson c63ed222b8 [SystemZ] Enable machine scheduler. 
The machine scheduler (before register allocation) is enabled by default for
SystemZ.

The SelectionDAG scheduling preference now becomes source order scheduling
(was regpressure).

Review: Ulrich Weigand
https://reviews.llvm.org/D37977

llvm-svn: 315063
 2017-10-06 13:59:28 +00:00
Jonas Paulsson f496bd9a59 [SystemZ] New CodeGen tests for vector compare / select. 
New SystemZ tests for the improved codegen of vector compare and select,
including cases with a logical combination of two compares.

Review: Ulrich Weigand.
https://reviews.llvm.org/D29489

llvm-svn: 298049
 2017-03-17 07:11:46 +00:00