[PATCH] D130096: [Clang][AMDGPU] Emit AMDGPU library control constants in clang

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 added inline comments.


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Comment at: clang/lib/CodeGen/TargetInfo.cpp:9468-9472
+  AddGlobal("__oclc_wavefrontsize64", Wavefront64, /*Size=*/8);
+  AddGlobal("__oclc_daz_opt", DenormAreZero, /*Size=*/8);
+  AddGlobal("__oclc_finite_only_opt", FiniteOnly || RelaxedMath, /*Size=*/8);
+  AddGlobal("__oclc_unsafe_math_opt", UnsafeMath || RelaxedMath, /*Size=*/8);
+  AddGlobal("__oclc_correctly_rounded_sqrt32", CorrectSqrt, /*Size=*/8);
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arsenm wrote:
> yaxunl wrote:
> > we need to disable emitting these variables for HIP -fgpu-rdc mode and OpenCL since they will break per-TU control variable. Other cases are OK.
> wavefrontsize belongs with the system ones
But the code would still depend on these and they wouldn't be present right


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130096/new/

https://reviews.llvm.org/D130096