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

Matt Arsenault via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Sep 16 10:05:50 PDT 2022


arsenm added inline comments.


================
Comment at: clang/lib/CodeGen/TargetInfo.cpp:9468
+  // Control constants for math operations.
+  AddGlobal("__oclc_wavefrontsize64", Wavefront64, /*Size=*/8);
+  AddGlobal("__oclc_daz_opt", DenormAreZero, /*Size=*/8);
----------------
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


Repository:
  rG LLVM Github Monorepo

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

https://reviews.llvm.org/D130096



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