[clang] [llvm] [HLSL] Implement `WaveReadLaneAt` intrinsic (PR #111010)

[Finn Plummer via cfe-commits]

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@@ -82,5 +82,6 @@ let TargetPrefix = "spv" in {
     [llvm_anyint_ty, LLVMScalarOrSameVectorWidth<0, LLVMVectorElementType<0>>],
     [IntrNoMem, Commutative] >;
   def int_spv_wave_is_first_lane : DefaultAttrsIntrinsic<[llvm_i1_ty], [], [IntrConvergent]>;
+  def int_spv_wave_read_lane_at : DefaultAttrsIntrinsic<[llvm_any_ty], [LLVMMatchType<0>, llvm_i32_ty], [IntrConvergent]>;
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inbelic wrote:

Added a commit to change the name to `waveReadLaneAt` as described in below comment.

https://github.com/llvm/llvm-project/pull/111010