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Commit 884acbb9 authored by Changpeng Fang's avatar Changpeng Fang
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AMDGPU: Enhancement on FDIV lowering in AMDGPUCodeGenPrepare 

Summary:
  The accuracy limit to use rcp is adjusted to 1.0 ulp from 2.5 ulp.
Also, afn instead of arcp is used to allow inaccurate rcp to be used.

Reviewers:
  arsenm

Differential Revision: https://reviews.llvm.org/D73588
parent 65209760
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