Matthias Braun 7adbf112c7 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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254683 91177308-0d34-0410-b5e6-96231b3b80d8		2015-12-04 01:51:19 +00:00
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llvm	ScheduleDAGInstrs: Rework schedule graph builder.	2015-12-04 01:51:19 +00:00
llvm-c	[IR] Add support for empty tokens	2015-11-11 21:57:16 +00:00