| #include <metal_stdlib> |
| |
| 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 arg_0 = int4(1); |
| int4 res = tint_first_trailing_bit(arg_0); |
| } |
| |
| struct tint_symbol { |
| float4 value [[position]]; |
| }; |
| |
| float4 vertex_main_inner() { |
| firstTrailingBit_86551b(); |
| return float4(0.0f); |
| } |
| |
| 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; |
| } |
| |