[llvm] [LLVM][NVPTX] Add NVPTX codegen support for clusterlaunchcontrol instruction (PR #134568)

[Alex MacLean via llvm-commits]

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@@ -6036,6 +6102,60 @@ static void ReplaceINTRINSIC_W_CHAIN(SDNode *N, SelectionDAG &DAG,
   case Intrinsic::nvvm_tcgen05_ld_16x32bx2_x64:
   case Intrinsic::nvvm_tcgen05_ld_16x32bx2_x128:
     return ReplaceTcgen05Ld(N, DAG, Results, /* Offset */ true);
+
+  case Intrinsic::nvvm_clusterlaunchcontrol_query_cancel_get_first_ctaid: {
+    // The intrinsic returns the CTAID of x, y and z dimension as a v4i32 value
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AlexMaclean wrote:

Pull all this out into a static helper function.

https://github.com/llvm/llvm-project/pull/134568