================
@@ -647,6 +647,14 @@ class LangOptions : public LangOptionsBase {
return ConvergentFunctions;
}
+ /// Return true if atomicrmw operations targeting allocations in private
+ /// memory are undefined.
+ bool threadPrivateMemoryAtomicsAreUndefined() const {
+ // Should be false for OpenMP.
+ // TODO: Should this be true for SYCL?
+ return OpenCL || CUDA;
----------------
Artem-B wrote:
@gonzalobg -- Does NVIDIA define what happens if atomics are used on local
address space?
@arsenm atomics/and AS relationship seems to be a property of the target, not
the language. I.e. we could potentially have a different answer for HIP on
AMDGPU and CUDA on NVPTX, even though both would have `LangOpts.CUDA=true`.
https://github.com/llvm/llvm-project/pull/102462
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