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authorMatthias Braun <matze@braunis.de>2015-12-04 01:51:19 +0000
committerMatthias Braun <matze@braunis.de>2015-12-04 01:51:19 +0000
commit97d0ffbe0647c4ec49ed4c1e58c9067963f57f95 (patch)
tree9ef2e681df282e6a4ac7703a472925902c5f836d /lldb/packages/Python/lldbsuite/test/python_api/process/TestProcessAPI.py
parent8267e7d4567bbd42371f64beae9de76ddf1bae3b (diff)
downloadbcm5719-llvm-97d0ffbe0647c4ec49ed4c1e58c9067963f57f95.tar.gz
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ScheduleDAGInstrs: Rework schedule graph builder.
Re-comitting with a change that avoids undefined uses getting put into the VRegUses list. The new algorithm remembers the uses encountered while walking backwards until a matching def is found. Contrary to the previous version this: - Works without LiveIntervals being available - Allows to increase the precision to subregisters/lanemasks (not used for now) The changes in the AMDGPU tests are necessary because the R600 scheduler is not stable with respect to the order of nodes in the ready queues. Differential Revision: http://reviews.llvm.org/D9068 llvm-svn: 254683
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