[clang] [llvm] [HLSL] Implement WaveActiveAnyTrue intrinsic (PR #115902)

[Finn Plummer via cfe-commits]

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@@ -2206,6 +2206,15 @@ float4 trunc(float4);
 // Wave* builtins
 //===----------------------------------------------------------------------===//
 
+/// \brief Returns true if the expression is true in any active lane in the
+/// current wave.
+///
+/// \param Val The boolean expression to evaluate.
+/// \return True if the expression is true in any lane.
+_HLSL_AVAILABILITY(shadermodel, 6.0)
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inbelic wrote:

I had propagated this for the sake of user documentation as well.

https://github.com/llvm/llvm-project/pull/115902