[clang] [llvm] [HLSL][DirectX] Finish WaveGetLaneCount implementation (PR #156338)

[Farzon Lotfi via cfe-commits]

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@@ -85,6 +85,7 @@ static bool checkWaveOps(Intrinsic::ID IID) {
     return false;
   case Intrinsic::dx_wave_is_first_lane:
   case Intrinsic::dx_wave_getlaneindex:
+  case Intrinsic::dx_wave_get_lane_count:
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farzonl wrote:

see line 66 seems like you need to remove that commented out case statement since you are adding it here.

https://github.com/llvm/llvm-project/pull/156338