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Commit fced87d4 authored by Stanislav Mekhanoshin's avatar Stanislav Mekhanoshin
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[AMDGPU] Fix regression with vectorization limiting 

D67148 has removed TTI::getNumberOfRegisters(bool Vector) and
started to call TTI::getNumberOfRegisters(unsigned ClassID) from
the LoopVectorize. This has resulted in an unrestricted vectorization
on AMDGPU blowing up register pressure.

Differential Revision: https://reviews.llvm.org/D122850
parent 833882b3
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