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* ScheduleDAGInstrs: Rework schedule graph builder.Matthias Braun2015-12-041-10/+10
| | | | | | | | | | | | | | | | | | 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
* Revert "ScheduleDAGInstrs: Rework schedule graph builder."Matthias Braun2015-12-031-10/+10
| | | | | | | | | | This works mostly fine but breaks some stage 1 builders when compiling compiler-rt on i386. Revert for further investigation as I can't see an obvious cause/fix. This reverts commit r254577. llvm-svn: 254586
* ScheduleDAGInstrs: Rework schedule graph builder.Matthias Braun2015-12-031-10/+10
| | | | | | | | | | | | | | | 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: 254577
* AMDGPU: Add pass to lower OpenCL image and sampler arguments.Tom Stellard2015-08-071-0/+206
The pass adds new kernel arguments for image attributes, and resolves calls to dummy attribute and resource id getter functions. Patch by: Zoltan Gilian llvm-svn: 244372
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