[clang] [llvm] [HLSL][DXIL][SPIRV] Added WaveActiveBitOr HLSL intrinsic (PR #165156)

[Sietze Riemersma via cfe-commits]

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@@ -54,6 +54,7 @@ bool DirectXTTIImpl::isTargetIntrinsicTriviallyScalarizable(
   case Intrinsic::dx_saturate:
   case Intrinsic::dx_splitdouble:
   case Intrinsic::dx_wave_readlane:
+  case Intrinsic::dx_wave_reduce_or:
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KungFuDonkey wrote:

That happens in WaveActiveBitOr.ll? I am unsure what I would have to add to make a test 'scalar', as the result of the dx or spriv is always a scalar value as it is the same value across the wave.

https://github.com/llvm/llvm-project/pull/165156