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6 Commits

Author SHA1 Message Date
Sergei Larin 2db64a7031 DAG post-process for Hexagon MI scheduler 
This patch introduces a possibility for Hexagon MI scheduler
to perform some target specific post- processing on the scheduling
DAG prior to scheduling.

llvm-svn: 163903
 2012-09-14 15:07:59 +00:00
Benjamin Kramer 61f6708eee Remove redundant private field. 
clang warned about this being unused in Release builds.

llvm-svn: 163899
 2012-09-14 12:19:58 +00:00
Andrew Trick 7a8e10042f Reorganize MachineScheduler interfaces and publish them in the header. 
The Hexagon target decided to use a lot of functionality from the
target-independent scheduler. That's fine, and other targets should be
able to do the same. This reorg and API update makes that easy.

For the record, ScheduleDAGMI was not meant to be subclassed. Instead,
new scheduling algorithms should be able to implement
MachineSchedStrategy and be done. But if need be, it's nice to be
able to extend ScheduleDAGMI, so I also made that easier. The target
scheduler is somewhat more apt to break that way though.

llvm-svn: 163580
 2012-09-11 00:39:15 +00:00
Sergei Larin ef4cc11cf9 Add "blocked" heuristic to the Hexagon MI scheduler. 
Improve AQ instruction selection in the Hexagon MI scheduler.

llvm-svn: 163523
 2012-09-10 17:31:34 +00:00
Richard Smith 398bd48172 Remove redundant semicolons to fix -pedantic-errors build. 
llvm-svn: 163190
 2012-09-05 01:41:37 +00:00
Sergei Larin 4d8986af12 Porting Hexagon MI Scheduler to the new API. 
Change current Hexagon MI scheduler to use new converging
scheduler. Integrates DFA resource model into it.

llvm-svn: 163137
 2012-09-04 14:49:56 +00:00