Stanislav Mekhanoshin 76b7d3432e [AMDGPU] Add TII::isIgnorableUse() to allow VOP rematerialization ...

Any def of EXEC prevents rematerialization of any VOP instruction
because of the physreg use. Create a callback to check if the
physreg use can be ingored to allow rematerialization.

Differential Revision: https://reviews.llvm.org/D105836

2021-07-14 13:03:58 -07:00

17 KiB

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