[clang] [clang][HLSL] Add GroupMemoryBarrierWithGroupSync intrinsic (PR #111883)

[Adam Yang via cfe-commits]

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@@ -2018,6 +2018,11 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
       return true;
     break;
   }
+  case Builtin::BI__builtin_hlsl_group_memory_barrier_with_group_sync: {
+    if (SemaRef.checkArgCountAtMost(TheCall, 0))
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adam-yang wrote:

The reason is `checkArgCount` actually expects there to be at least one arg. I opted to just call a different function rather than modifying `checkArgCount`.

https://github.com/llvm/llvm-project/pull/111883