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

[Alex MacLean via llvm-commits]

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@@ -1017,6 +1017,9 @@ NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM,
                      {MVT::v2i32, MVT::v4i32, MVT::v8i32, MVT::v16i32,
                       MVT::v32i32, MVT::v64i32, MVT::v128i32},
                      Custom);
+
+  // Enable custom lowering for i128 bit type supported in PTX
+  setOperationAction(ISD::INTRINSIC_W_CHAIN, MVT::i128, Custom);
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AlexMaclean wrote:

This won't have any effect since `ISD::INTRINSIC_W_CHAIN` is only queried with `MVT::Other` in operation legalization.

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