test/tint/builtins/gen/var/firstTrailingBit/47d475.wgsl.expected.ir.dxc.hlsl

struct VertexOutput {
  float4 pos;
  uint prevent_dce;
};

struct vertex_main_outputs {
  nointerpolation uint VertexOutput_prevent_dce : TEXCOORD0;
  float4 VertexOutput_pos : SV_Position;
};


RWByteAddressBuffer prevent_dce : register(u0);
uint firstTrailingBit_47d475() {
  uint arg_0 = 1u;
  uint v = arg_0;
  uint v_1 = ((((v & 65535u) == 0u)) ? (16u) : (0u));
  uint v_2 = (((((v >> v_1) & 255u) == 0u)) ? (8u) : (0u));
  uint v_3 = ((((((v >> v_1) >> v_2) & 15u) == 0u)) ? (4u) : (0u));
  uint v_4 = (((((((v >> v_1) >> v_2) >> v_3) & 3u) == 0u)) ? (2u) : (0u));
  uint res = (((((((v >> v_1) >> v_2) >> v_3) >> v_4) == 0u)) ? (4294967295u) : ((v_1 | (v_2 | (v_3 | (v_4 | ((((((((v >> v_1) >> v_2) >> v_3) >> v_4) & 1u) == 0u)) ? (1u) : (0u))))))));
  return res;
}

void fragment_main() {
  prevent_dce.Store(0u, firstTrailingBit_47d475());
}

[numthreads(1, 1, 1)]
void compute_main() {
  prevent_dce.Store(0u, firstTrailingBit_47d475());
}

VertexOutput vertex_main_inner() {
  VertexOutput tint_symbol = (VertexOutput)0;
  tint_symbol.pos = (0.0f).xxxx;
  tint_symbol.prevent_dce = firstTrailingBit_47d475();
  VertexOutput v_5 = tint_symbol;
  return v_5;
}

vertex_main_outputs vertex_main() {
  VertexOutput v_6 = vertex_main_inner();
  vertex_main_outputs v_7 = {v_6.prevent_dce, v_6.pos};
  return v_7;
}