[PATCH] D50787: AMDGPU: Custom lower fexp

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: rampitec.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

This will allow the library to just use __builtin_expf directly
without expanding this itself. Note f64 still won't work because
there is no exp instruction for it.


https://reviews.llvm.org/D50787

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/AMDGPU/SIISelLowering.cpp
  test/CodeGen/AMDGPU/fexp.ll

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