[PATCH] D106909: [clang] Add clang builtins support for gfx90a

[Anshil Gandhi via Phabricator via cfe-commits]

gandhi21299 created this revision.
gandhi21299 added reviewers: arsenm, yaxunl, rampitec.
Herald added subscribers: kerbowa, jfb, tpr, nhaehnle, jvesely.
gandhi21299 requested review of this revision.
Herald added subscribers: cfe-commits, wdng.
Herald added a project: clang.

Implement target builtins for gfx90a including fadd64, fadd32, add2h, max and min on various global, flat and ds address spaces for which intrinsics are already implemented.

@rampitec Compiler recommended me to add `global-noret` target feature after setting it in BuiltinsAMDGPU.def. I am not sure what that means outside of the BuiltinsAMDGPU.def so I have changed it back to `gfx90a-insts`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106909

Files:
  clang/include/clang/Basic/BuiltinsAMDGPU.def
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGenOpenCL/builtins-fp-atomics.cl

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