| int4 tint_count_leading_zeros(int4 v) { |
| uint4 x = uint4(v); |
| const uint4 b16 = ((x <= (65535u).xxxx) ? (16u).xxxx : (0u).xxxx); |
| x = (x << b16); |
| const uint4 b8 = ((x <= (16777215u).xxxx) ? (8u).xxxx : (0u).xxxx); |
| x = (x << b8); |
| const uint4 b4 = ((x <= (268435455u).xxxx) ? (4u).xxxx : (0u).xxxx); |
| x = (x << b4); |
| const uint4 b2 = ((x <= (1073741823u).xxxx) ? (2u).xxxx : (0u).xxxx); |
| x = (x << b2); |
| const uint4 b1 = ((x <= (2147483647u).xxxx) ? (1u).xxxx : (0u).xxxx); |
| const uint4 is_zero = ((x == (0u).xxxx) ? (1u).xxxx : (0u).xxxx); |
| return int4((((((b16 | b8) | b4) | b2) | b1) + is_zero)); |
| } |
| |
| RWByteAddressBuffer prevent_dce : register(u0, space2); |
| |
| void countLeadingZeros_eab32b() { |
| int4 arg_0 = (1).xxxx; |
| int4 res = tint_count_leading_zeros(arg_0); |
| prevent_dce.Store4(0u, asuint(res)); |
| } |
| |
| struct tint_symbol { |
| float4 value : SV_Position; |
| }; |
| |
| float4 vertex_main_inner() { |
| countLeadingZeros_eab32b(); |
| return (0.0f).xxxx; |
| } |
| |
| tint_symbol vertex_main() { |
| const float4 inner_result = vertex_main_inner(); |
| tint_symbol wrapper_result = (tint_symbol)0; |
| wrapper_result.value = inner_result; |
| return wrapper_result; |
| } |
| |
| void fragment_main() { |
| countLeadingZeros_eab32b(); |
| return; |
| } |
| |
| [numthreads(1, 1, 1)] |
| void compute_main() { |
| countLeadingZeros_eab32b(); |
| return; |
| } |