Christudasan Devadasan 2b5b57c5cf [AMDGPU] Skip non-wwm reg implicit-def from bb prolog (#115834) ...

Currently all implicit-def instructions are part of
bb prolog. We should only include the wwm-register's
implicit definitions into the BB prolog. The other
vector class registers' implicit defs when exist at
the bb top might cause interference when pushed the
LR_split copy insertion downwards. The SplitKit is
very strict on altering the insertion points and will
assert such instances.

2024-11-12 23:30:57 +05:30

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