================
@@ -648,6 +658,13 @@ void NVPTX::getNVPTXTargetFeatures(const Driver &D, const
llvm::Triple &Triple,
Features.push_back(Args.MakeArgString(PtxFeature));
return;
}
+ // Add --cuda-next-ptx to the list of features, but carry on to add the
+ // default PTX feature for the detected CUDA SDK. NVPTX back-end will use the
+ // higher version.
+ StringRef NextPtx = Args.getLastArgValue(options::OPT_cuda_next_ptx_EQ);
+ if (!NextPtx.empty())
+ Features.push_back(Args.MakeArgString("+ptx" + NextPtx));
----------------
Artem-B wrote:
Not quite. `--ptx-feature` applies globally for all sub-compilations. I'e it
overrides the PTX feature which is applied based on the CUDA SDK version we've
detected. These new options only override the sub-compilation targeting
`sm_next`. `sm_next` is expected to be used alongside the subcompilations for
the 'normal' GPUs and I intentionally want to keep them as-is.
https://github.com/llvm/llvm-project/pull/100247
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