[PATCH] D22940: [OpenCL] Handle -cl-fp32-correctly-rounded-divide-sqrt

[Yaxun Liu via cfe-commits]

yaxunl created this revision.
yaxunl added reviewers: Anastasia, nhaustov.
yaxunl added subscribers: cfe-commits, tstellarAMD.

Let the driver pass the option to frontend. Do not set precision metadata for division instructions when this option is set. Set function attribute "correctly-rounded-divide-sqrt-fp-math" based on this option.

https://reviews.llvm.org/D22940

Files:
  include/clang/Driver/Options.td
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/Driver/Tools.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/CodeGenOpenCL/fpmath.cl
  test/Driver/opencl.cl

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