#include using namespace metal; int4 tint_first_trailing_bit(int4 v) { uint4 x = uint4(v); uint4 const b16 = select(uint4(16u), uint4(0u), bool4((x & uint4(65535u)))); x = (x >> b16); uint4 const b8 = select(uint4(8u), uint4(0u), bool4((x & uint4(255u)))); x = (x >> b8); uint4 const b4 = select(uint4(4u), uint4(0u), bool4((x & uint4(15u)))); x = (x >> b4); uint4 const b2 = select(uint4(2u), uint4(0u), bool4((x & uint4(3u)))); x = (x >> b2); uint4 const b1 = select(uint4(1u), uint4(0u), bool4((x & uint4(1u)))); uint4 const is_zero = select(uint4(0u), uint4(4294967295u), (x == uint4(0u))); return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero)); } void firstTrailingBit_86551b() { int4 res = tint_first_trailing_bit(int4()); } struct tint_symbol { float4 value [[position]]; }; float4 vertex_main_inner() { firstTrailingBit_86551b(); return float4(); } vertex tint_symbol vertex_main() { float4 const inner_result = vertex_main_inner(); tint_symbol wrapper_result = {}; wrapper_result.value = inner_result; return wrapper_result; } fragment void fragment_main() { firstTrailingBit_86551b(); return; } kernel void compute_main() { firstTrailingBit_86551b(); return; }