[llvm] [AMDGPU] New ttracedata intrinsics (PR #70235)

[Matt Arsenault via llvm-commits]

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@@ -1697,6 +1697,13 @@ def int_amdgcn_s_setprio :
   DefaultAttrsIntrinsic<[], [llvm_i16_ty], [ImmArg<ArgIndex<0>>, IntrNoMem,
                                 IntrHasSideEffects]>;
 
+def int_amdgcn_s_ttracedata :
+  DefaultAttrsIntrinsic<[], [llvm_i32_ty],
+                        [IntrNoMem, IntrHasSideEffects]>;
+def int_amdgcn_s_ttracedata_imm :
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arsenm wrote:

Do we really need the imm form, or can the backend just fold the register version with appropriate constant inputs to the imm instruction?

https://github.com/llvm/llvm-project/pull/70235