Stanislav Mekhanoshin 357d3db0a4 [AMDGPU] Add second pass of the scheduler ...

If during scheduling we have identified that we cannot keep optimistic
occupancy increase critical register pressure limit and try scheduling
of the whole function again. In this case blocks with smaller pressure
will have a chance for better scheduling.

Differential Revision: https://reviews.llvm.org/D30442

llvm-svn: 296506

2017-02-28 19:20:33 +00:00

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