[llvm] [NVPTX] Add support for "blocksareclusters" kernel attr (PR #152265)

[Alex MacLean via llvm-commits]

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@@ -452,6 +456,13 @@ void NVPTXAsmPrinter::emitKernelFunctionDirectives(const Function &F,
                "should be 0 as well");
       }
     }
+
+    if (BlocksAreClusters && STI->getPTXVersion() >= 90) {
+      assert(!(ReqNTID.empty() || getClusterDim(F).empty()) &&
+             "blocksareclusters requires reqntid and cluster_dim");
+      O << ".blocksareclusters\n";
+    }
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AlexMaclean wrote:

It looks like DiagnosticInfoUnsupported doesn't require that you provide a debug location and at least that way you can provide the function which is problematic. 

https://github.com/llvm/llvm-project/pull/152265