[clang] [llvm] [HLSL] Add WaveActiveBitXor function (PR #185776)

[Joshua Batista via cfe-commits]

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@@ -2809,6 +2809,40 @@ _HLSL_AVAILABILITY(shadermodel, 6.0)
 _HLSL_BUILTIN_ALIAS(__builtin_hlsl_wave_active_bit_or)
 __attribute__((convergent)) uint64_t4 WaveActiveBitOr(uint64_t4);
 
+//===----------------------------------------------------------------------===//
+// WaveActiveBitXor builtins
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bob80905 wrote:

Correct, at least for DXC:
https://godbolt.org/z/xKEoPsP6K

Similarly, WaveActiveBitOr was also implemented in such a way as to not support 16 bit types.
Also, only unsigned int types are allowed.

https://github.com/llvm/llvm-project/pull/185776