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3 Commits

Author SHA1 Message Date
Jay Foad d28624a209 [AMDGPU] Stop adding an implicit def of vcc_hi for wave32 
This doesn't seem to be needed for anything.

Differential Revision: https://reviews.llvm.org/D92400
 2020-12-02 10:11:42 +00:00
Stanislav Mekhanoshin 5ab1702129 [AMDGPU] Remove scratch rsrc from spill pseudos 
Differential Revision: https://reviews.llvm.org/D91110
 2020-11-12 15:23:37 -08:00
Jay Foad b34ddfcc76 [SplitKit] In addDeadDef tolerate parent range that defines more lanes 
Following on from D87757 "[SplitKit] Only copy live lanes", in
SplitEditor::addDeadDef, when we're checking whether the parent live
interval has a subrange defining the same lanes, tolerate the case
where the parent subrange defines a superset of the lanes. This can
happen when the child subrange comes from SplitEditor::buildCopy
decomposing a partial copy into a sequence of subreg copies that cover
the required lanes.

Differential Revision: https://reviews.llvm.org/D88020
 2020-09-25 11:31:56 +01:00