tint: const eval of firstTrailingBit

Bug: tint:1581
Change-Id: I4a9cb113780439849aec10cd0fc8e2f6d2ab55cc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/107881
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Antonio Maiorano 2022-10-31 22:57:14 +00:00 committed by Dawn LUCI CQ
parent 1abe52dc1c
commit a3175f28f6
46 changed files with 315 additions and 1568 deletions

View File

@ -469,8 +469,8 @@ fn extractBits<N: num, T: iu32>(vec<N, T>, u32, u32) -> vec<N, T>
fn faceForward<N: num, T: f32_f16>(vec<N, T>, vec<N, T>, vec<N, T>) -> vec<N, T>
@const fn firstLeadingBit<T: iu32>(T) -> T
@const fn firstLeadingBit<N: num, T: iu32>(vec<N, T>) -> vec<N, T>
fn firstTrailingBit<T: iu32>(T) -> T
fn firstTrailingBit<N: num, T: iu32>(vec<N, T>) -> vec<N, T>
@const fn firstTrailingBit<T: iu32>(T) -> T
@const fn firstTrailingBit<N: num, T: iu32>(vec<N, T>) -> vec<N, T>
fn floor<T: f32_f16>(T) -> T
fn floor<N: num, T: f32_f16>(vec<N, T>) -> vec<N, T>
fn fma<T: f32_f16>(T, T, T) -> T

View File

@ -209,6 +209,23 @@ auto CountLeadingBits(T e, T bit_value_to_count) -> std::make_unsigned_t<T> {
return count;
}
/// @returns the number of consecutive trailing bits set to `@p bit_value_to_count` in `@p e`
template <typename T>
auto CountTrailingBits(T e, T bit_value_to_count) -> std::make_unsigned_t<T> {
using UT = std::make_unsigned_t<T>;
constexpr UT kNumBits = sizeof(UT) * 8;
constexpr UT kRightMost = UT{1};
const UT b = static_cast<UT>(bit_value_to_count);
auto v = static_cast<UT>(e);
auto count = UT{0};
while ((count < kNumBits) && ((v & kRightMost) == b)) {
++count;
v >>= 1;
}
return count;
}
/// ImplConstant inherits from sem::Constant to add an private implementation method for conversion.
struct ImplConstant : public sem::Constant {
/// Convert attempts to convert the constant value to the given type. On error, Convert()
@ -1695,17 +1712,7 @@ ConstEval::Result ConstEval::countTrailingZeros(const sem::Type* ty,
auto create = [&](auto e) {
using NumberT = decltype(e);
using T = UnwrapNumber<NumberT>;
using UT = std::make_unsigned_t<T>;
constexpr UT kNumBits = sizeof(UT) * 8;
constexpr UT kRightMost = UT{1};
auto v = static_cast<UT>(e);
auto count = UT{0};
while ((count < kNumBits) && ((v & kRightMost) == 0)) {
++count;
v >>= 1;
}
auto count = CountTrailingBits(T{e}, T{0});
return CreateElement(builder, c0->Type(), NumberT(count));
};
return Dispatch_iu32(create, c0);
@ -1757,6 +1764,32 @@ ConstEval::Result ConstEval::firstLeadingBit(const sem::Type* ty,
return TransformElements(builder, ty, transform, args[0]);
}
ConstEval::Result ConstEval::firstTrailingBit(const sem::Type* ty,
utils::VectorRef<const sem::Constant*> args,
const Source&) {
auto transform = [&](const sem::Constant* c0) {
auto create = [&](auto e) {
using NumberT = decltype(e);
using T = UnwrapNumber<NumberT>;
using UT = std::make_unsigned_t<T>;
NumberT result;
if (e == T{0}) {
// T(-1) if e is zero.
result = NumberT(static_cast<T>(-1));
} else {
// Otherwise the position of the least significant 1 bit in e.
UT pos = CountTrailingBits(T{e}, T{0});
result = NumberT(pos);
}
return CreateElement(builder, c0->Type(), result);
};
return Dispatch_iu32(create, c0);
};
return TransformElements(builder, ty, transform, args[0]);
}
ConstEval::Result ConstEval::saturate(const sem::Type* ty,
utils::VectorRef<const sem::Constant*> args,
const Source&) {

View File

@ -476,6 +476,15 @@ class ConstEval {
utils::VectorRef<const sem::Constant*> args,
const Source& source);
/// firstTrailingBit builtin
/// @param ty the expression type
/// @param args the input arguments
/// @param source the source location of the conversion
/// @return the result value, or null if the value cannot be calculated
Result firstTrailingBit(const sem::Type* ty,
utils::VectorRef<const sem::Constant*> args,
const Source& source);
/// saturate builtin
/// @param ty the expression type
/// @param args the input arguments

View File

@ -680,6 +680,39 @@ INSTANTIATE_TEST_SUITE_P( //
testing::ValuesIn(Concat(FirstLeadingBitCases<i32>(), //
FirstLeadingBitCases<u32>()))));
template <typename T>
std::vector<Case> FirstTrailingBitCases() {
using B = BitValues<T>;
auto r = std::vector<Case>{
C({T(0)}, T(-1)),
C({B::Lsh(1, 31)}, T(31)), //
C({B::Lsh(1, 30)}, T(30)), //
C({B::Lsh(1, 29)}, T(29)), //
C({B::Lsh(1, 28)}, T(28)),
//...
C({B::Lsh(1, 3)}, T(3)), //
C({B::Lsh(1, 2)}, T(2)), //
C({B::Lsh(1, 1)}, T(1)), //
C({B::Lsh(1, 0)}, T(0)),
C({T(0b0000'0000'0100'1000'1000'1000'0000'0000)}, T(11)),
C({T(0b0000'0100'1000'1000'1000'0000'0000'0000)}, T(15)),
// Vector tests
C({Vec(B::Lsh(1, 31), B::Lsh(1, 30), B::Lsh(1, 29))}, Vec(T(31), T(30), T(29))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(2), T(1), T(0))),
};
return r;
}
INSTANTIATE_TEST_SUITE_P( //
FirstTrailingBit,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(sem::BuiltinType::kFirstTrailingBit),
testing::ValuesIn(Concat(FirstTrailingBitCases<i32>(), //
FirstTrailingBitCases<u32>()))));
template <typename T>
std::vector<Case> SaturateCases() {
return {

View File

@ -13516,7 +13516,7 @@ constexpr OverloadInfo kOverloads[] = {
/* parameters */ &kParameters[908],
/* return matcher indices */ &kMatcherIndices[1],
/* flags */ OverloadFlags(OverloadFlag::kIsBuiltin, OverloadFlag::kSupportsVertexPipeline, OverloadFlag::kSupportsFragmentPipeline, OverloadFlag::kSupportsComputePipeline),
/* const eval */ nullptr,
/* const eval */ &ConstEval::firstTrailingBit,
},
{
/* [433] */
@ -13528,7 +13528,7 @@ constexpr OverloadInfo kOverloads[] = {
/* parameters */ &kParameters[907],
/* return matcher indices */ &kMatcherIndices[30],
/* flags */ OverloadFlags(OverloadFlag::kIsBuiltin, OverloadFlag::kSupportsVertexPipeline, OverloadFlag::kSupportsFragmentPipeline, OverloadFlag::kSupportsComputePipeline),
/* const eval */ nullptr,
/* const eval */ &ConstEval::firstTrailingBit,
},
{
/* [434] */

View File

@ -1,20 +1,5 @@
uint4 tint_first_trailing_bit(uint4 v) {
uint4 x = uint4(v);
const uint4 b16 = (bool4((x & (65535u).xxxx)) ? (0u).xxxx : (16u).xxxx);
x = (x >> b16);
const uint4 b8 = (bool4((x & (255u).xxxx)) ? (0u).xxxx : (8u).xxxx);
x = (x >> b8);
const uint4 b4 = (bool4((x & (15u).xxxx)) ? (0u).xxxx : (4u).xxxx);
x = (x >> b4);
const uint4 b2 = (bool4((x & (3u).xxxx)) ? (0u).xxxx : (2u).xxxx);
x = (x >> b2);
const uint4 b1 = (bool4((x & (1u).xxxx)) ? (0u).xxxx : (1u).xxxx);
const uint4 is_zero = ((x == (0u).xxxx) ? (4294967295u).xxxx : (0u).xxxx);
return uint4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uint4 res = tint_first_trailing_bit((1u).xxxx);
uint4 res = (0u).xxxx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
uint4 tint_first_trailing_bit(uint4 v) {
uint4 x = uint4(v);
const uint4 b16 = (bool4((x & (65535u).xxxx)) ? (0u).xxxx : (16u).xxxx);
x = (x >> b16);
const uint4 b8 = (bool4((x & (255u).xxxx)) ? (0u).xxxx : (8u).xxxx);
x = (x >> b8);
const uint4 b4 = (bool4((x & (15u).xxxx)) ? (0u).xxxx : (4u).xxxx);
x = (x >> b4);
const uint4 b2 = (bool4((x & (3u).xxxx)) ? (0u).xxxx : (2u).xxxx);
x = (x >> b2);
const uint4 b1 = (bool4((x & (1u).xxxx)) ? (0u).xxxx : (1u).xxxx);
const uint4 is_zero = ((x == (0u).xxxx) ? (4294967295u).xxxx : (0u).xxxx);
return uint4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uint4 res = tint_first_trailing_bit((1u).xxxx);
uint4 res = (0u).xxxx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
uvec4 tint_first_trailing_bit(uvec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return uvec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uvec4 res = tint_first_trailing_bit(uvec4(1u));
uvec4 res = uvec4(0u);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
uvec4 tint_first_trailing_bit(uvec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return uvec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uvec4 res = tint_first_trailing_bit(uvec4(1u));
uvec4 res = uvec4(0u);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
uvec4 tint_first_trailing_bit(uvec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return uvec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uvec4 res = tint_first_trailing_bit(uvec4(1u));
uvec4 res = uvec4(0u);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
uint4 tint_first_trailing_bit(uint4 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 uint4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_110f2c() {
uint4 res = tint_first_trailing_bit(uint4(1u));
uint4 res = uint4(0u);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 98
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_110f2c "firstTrailingBit_110f2c"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,110 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v4uint = OpTypeVector %uint 4
%9 = OpTypeFunction %v4uint %v4uint
%15 = OpConstantNull %v4uint
%_ptr_Function_v4uint = OpTypePointer Function %v4uint
%18 = OpConstantNull %v4uint
%bool = OpTypeBool
%v4bool = OpTypeVector %bool 4
%uint_65535 = OpConstant %uint 65535
%25 = OpConstantComposite %v4uint %uint_65535 %uint_65535 %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%28 = OpConstantComposite %v4uint %uint_16 %uint_16 %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%35 = OpConstantComposite %v4uint %uint_255 %uint_255 %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%38 = OpConstantComposite %v4uint %uint_8 %uint_8 %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%45 = OpConstantComposite %v4uint %uint_15 %uint_15 %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%48 = OpConstantComposite %v4uint %uint_4 %uint_4 %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%55 = OpConstantComposite %v4uint %uint_3 %uint_3 %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%58 = OpConstantComposite %v4uint %uint_2 %uint_2 %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%65 = OpConstantComposite %v4uint %uint_1 %uint_1 %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%71 = OpConstantComposite %v4uint %uint_4294967295 %uint_4294967295 %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%78 = OpTypeFunction %void
%84 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v4uint None %9
%v = OpFunctionParameter %v4uint
%14 = OpLabel
%x = OpVariable %_ptr_Function_v4uint Function %18
OpStore %x %v
%23 = OpLoad %v4uint %x
%26 = OpBitwiseAnd %v4uint %23 %25
%20 = OpINotEqual %v4bool %26 %18
%19 = OpSelect %v4uint %20 %18 %28
%29 = OpLoad %v4uint %x
%30 = OpShiftRightLogical %v4uint %29 %19
OpStore %x %30
%33 = OpLoad %v4uint %x
%36 = OpBitwiseAnd %v4uint %33 %35
%32 = OpINotEqual %v4bool %36 %18
%31 = OpSelect %v4uint %32 %18 %38
%39 = OpLoad %v4uint %x
%40 = OpShiftRightLogical %v4uint %39 %31
OpStore %x %40
%43 = OpLoad %v4uint %x
%46 = OpBitwiseAnd %v4uint %43 %45
%42 = OpINotEqual %v4bool %46 %18
%41 = OpSelect %v4uint %42 %18 %48
%49 = OpLoad %v4uint %x
%50 = OpShiftRightLogical %v4uint %49 %41
OpStore %x %50
%53 = OpLoad %v4uint %x
%56 = OpBitwiseAnd %v4uint %53 %55
%52 = OpINotEqual %v4bool %56 %18
%51 = OpSelect %v4uint %52 %18 %58
%59 = OpLoad %v4uint %x
%60 = OpShiftRightLogical %v4uint %59 %51
OpStore %x %60
%63 = OpLoad %v4uint %x
%66 = OpBitwiseAnd %v4uint %63 %65
%62 = OpINotEqual %v4bool %66 %18
%61 = OpSelect %v4uint %62 %18 %65
%68 = OpLoad %v4uint %x
%69 = OpIEqual %v4bool %68 %18
%67 = OpSelect %v4uint %69 %71 %18
%73 = OpBitwiseOr %v4uint %19 %31
%74 = OpBitwiseOr %v4uint %73 %41
%75 = OpBitwiseOr %v4uint %74 %51
%76 = OpBitwiseOr %v4uint %75 %61
%77 = OpBitwiseOr %v4uint %76 %67
OpReturnValue %77
OpFunctionEnd
%firstTrailingBit_110f2c = OpFunction %void None %78
%81 = OpLabel
%res = OpVariable %_ptr_Function_v4uint Function %18
%82 = OpFunctionCall %v4uint %tint_first_trailing_bit %65
OpStore %res %82
%firstTrailingBit_110f2c = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v4uint Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %84
%86 = OpLabel
%87 = OpFunctionCall %void %firstTrailingBit_110f2c
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_110f2c
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %78
%89 = OpLabel
%90 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %90
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %78
%93 = OpLabel
%94 = OpFunctionCall %void %firstTrailingBit_110f2c
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_110f2c
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %78
%96 = OpLabel
%97 = OpFunctionCall %void %firstTrailingBit_110f2c
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_110f2c
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
int tint_first_trailing_bit(int v) {
uint x = uint(v);
const uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
const uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
const uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
const uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
const uint b1 = (bool((x & 1u)) ? 0u : 1u);
const uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
int tint_first_trailing_bit(int v) {
uint x = uint(v);
const uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
const uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
const uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
const uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
const uint b1 = (bool((x & 1u)) ? 0u : 1u);
const uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
int tint_first_trailing_bit(int v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
int tint_first_trailing_bit(int v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
int tint_first_trailing_bit(int v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
int tint_first_trailing_bit(int v) {
uint x = uint(v);
uint const b16 = select(16u, 0u, bool((x & 65535u)));
x = (x >> b16);
uint const b8 = select(8u, 0u, bool((x & 255u)));
x = (x >> b8);
uint const b4 = select(4u, 0u, bool((x & 15u)));
x = (x >> b4);
uint const b2 = select(2u, 0u, bool((x & 3u)));
x = (x >> b2);
uint const b1 = select(1u, 0u, bool((x & 1u)));
uint const is_zero = select(0u, 4294967295u, (x == 0u));
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_3a2acc() {
int res = tint_first_trailing_bit(1);
int res = 0;
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 90
; Bound: 31
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_3a2acc "firstTrailingBit_3a2acc"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,104 +28,38 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%int = OpTypeInt 32 1
%9 = OpTypeFunction %int %int
%uint = OpTypeInt 32 0
%_ptr_Function_uint = OpTypePointer Function %uint
%18 = OpConstantNull %uint
%bool = OpTypeBool
%uint_65535 = OpConstant %uint 65535
%uint_16 = OpConstant %uint 16
%uint_255 = OpConstant %uint 255
%uint_8 = OpConstant %uint 8
%uint_15 = OpConstant %uint 15
%uint_4 = OpConstant %uint 4
%uint_3 = OpConstant %uint 3
%uint_2 = OpConstant %uint 2
%uint_1 = OpConstant %uint 1
%uint_4294967295 = OpConstant %uint 4294967295
%void = OpTypeVoid
%67 = OpTypeFunction %void
%int_1 = OpConstant %int 1
%9 = OpTypeFunction %void
%int = OpTypeInt 32 1
%14 = OpConstantNull %int
%_ptr_Function_int = OpTypePointer Function %int
%75 = OpConstantNull %int
%76 = OpTypeFunction %v4float
%17 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %int None %9
%v = OpFunctionParameter %int
%13 = OpLabel
%x = OpVariable %_ptr_Function_uint Function %18
%14 = OpBitcast %uint %v
OpStore %x %14
%22 = OpLoad %uint %x
%24 = OpBitwiseAnd %uint %22 %uint_65535
%20 = OpINotEqual %bool %24 %18
%19 = OpSelect %uint %20 %18 %uint_16
%26 = OpLoad %uint %x
%27 = OpShiftRightLogical %uint %26 %19
OpStore %x %27
%30 = OpLoad %uint %x
%32 = OpBitwiseAnd %uint %30 %uint_255
%29 = OpINotEqual %bool %32 %18
%28 = OpSelect %uint %29 %18 %uint_8
%34 = OpLoad %uint %x
%35 = OpShiftRightLogical %uint %34 %28
OpStore %x %35
%38 = OpLoad %uint %x
%40 = OpBitwiseAnd %uint %38 %uint_15
%37 = OpINotEqual %bool %40 %18
%36 = OpSelect %uint %37 %18 %uint_4
%42 = OpLoad %uint %x
%43 = OpShiftRightLogical %uint %42 %36
OpStore %x %43
%46 = OpLoad %uint %x
%48 = OpBitwiseAnd %uint %46 %uint_3
%45 = OpINotEqual %bool %48 %18
%44 = OpSelect %uint %45 %18 %uint_2
%50 = OpLoad %uint %x
%51 = OpShiftRightLogical %uint %50 %44
OpStore %x %51
%54 = OpLoad %uint %x
%56 = OpBitwiseAnd %uint %54 %uint_1
%53 = OpINotEqual %bool %56 %18
%52 = OpSelect %uint %53 %18 %uint_1
%58 = OpLoad %uint %x
%59 = OpIEqual %bool %58 %18
%57 = OpSelect %uint %59 %uint_4294967295 %18
%62 = OpBitwiseOr %uint %19 %28
%63 = OpBitwiseOr %uint %62 %36
%64 = OpBitwiseOr %uint %63 %44
%65 = OpBitwiseOr %uint %64 %52
%66 = OpBitwiseOr %uint %65 %57
%61 = OpBitcast %int %66
OpReturnValue %61
OpFunctionEnd
%firstTrailingBit_3a2acc = OpFunction %void None %67
%70 = OpLabel
%res = OpVariable %_ptr_Function_int Function %75
%71 = OpFunctionCall %int %tint_first_trailing_bit %int_1
OpStore %res %71
%firstTrailingBit_3a2acc = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_int Function %14
OpStore %res %14
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %76
%78 = OpLabel
%79 = OpFunctionCall %void %firstTrailingBit_3a2acc
%vertex_main_inner = OpFunction %v4float None %17
%19 = OpLabel
%20 = OpFunctionCall %void %firstTrailingBit_3a2acc
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %67
%81 = OpLabel
%82 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %82
%vertex_main = OpFunction %void None %9
%22 = OpLabel
%23 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %23
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %67
%85 = OpLabel
%86 = OpFunctionCall %void %firstTrailingBit_3a2acc
%fragment_main = OpFunction %void None %9
%26 = OpLabel
%27 = OpFunctionCall %void %firstTrailingBit_3a2acc
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %67
%88 = OpLabel
%89 = OpFunctionCall %void %firstTrailingBit_3a2acc
%compute_main = OpFunction %void None %9
%29 = OpLabel
%30 = OpFunctionCall %void %firstTrailingBit_3a2acc
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
uint2 tint_first_trailing_bit(uint2 v) {
uint2 x = uint2(v);
const uint2 b16 = (bool2((x & (65535u).xx)) ? (0u).xx : (16u).xx);
x = (x >> b16);
const uint2 b8 = (bool2((x & (255u).xx)) ? (0u).xx : (8u).xx);
x = (x >> b8);
const uint2 b4 = (bool2((x & (15u).xx)) ? (0u).xx : (4u).xx);
x = (x >> b4);
const uint2 b2 = (bool2((x & (3u).xx)) ? (0u).xx : (2u).xx);
x = (x >> b2);
const uint2 b1 = (bool2((x & (1u).xx)) ? (0u).xx : (1u).xx);
const uint2 is_zero = ((x == (0u).xx) ? (4294967295u).xx : (0u).xx);
return uint2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uint2 res = tint_first_trailing_bit((1u).xx);
uint2 res = (0u).xx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
uint2 tint_first_trailing_bit(uint2 v) {
uint2 x = uint2(v);
const uint2 b16 = (bool2((x & (65535u).xx)) ? (0u).xx : (16u).xx);
x = (x >> b16);
const uint2 b8 = (bool2((x & (255u).xx)) ? (0u).xx : (8u).xx);
x = (x >> b8);
const uint2 b4 = (bool2((x & (15u).xx)) ? (0u).xx : (4u).xx);
x = (x >> b4);
const uint2 b2 = (bool2((x & (3u).xx)) ? (0u).xx : (2u).xx);
x = (x >> b2);
const uint2 b1 = (bool2((x & (1u).xx)) ? (0u).xx : (1u).xx);
const uint2 is_zero = ((x == (0u).xx) ? (4294967295u).xx : (0u).xx);
return uint2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uint2 res = tint_first_trailing_bit((1u).xx);
uint2 res = (0u).xx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
uvec2 tint_first_trailing_bit(uvec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return uvec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uvec2 res = tint_first_trailing_bit(uvec2(1u));
uvec2 res = uvec2(0u);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
uvec2 tint_first_trailing_bit(uvec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return uvec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uvec2 res = tint_first_trailing_bit(uvec2(1u));
uvec2 res = uvec2(0u);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
uvec2 tint_first_trailing_bit(uvec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return uvec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uvec2 res = tint_first_trailing_bit(uvec2(1u));
uvec2 res = uvec2(0u);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
uint2 tint_first_trailing_bit(uint2 v) {
uint2 x = uint2(v);
uint2 const b16 = select(uint2(16u), uint2(0u), bool2((x & uint2(65535u))));
x = (x >> b16);
uint2 const b8 = select(uint2(8u), uint2(0u), bool2((x & uint2(255u))));
x = (x >> b8);
uint2 const b4 = select(uint2(4u), uint2(0u), bool2((x & uint2(15u))));
x = (x >> b4);
uint2 const b2 = select(uint2(2u), uint2(0u), bool2((x & uint2(3u))));
x = (x >> b2);
uint2 const b1 = select(uint2(1u), uint2(0u), bool2((x & uint2(1u))));
uint2 const is_zero = select(uint2(0u), uint2(4294967295u), (x == uint2(0u)));
return uint2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_45eb10() {
uint2 res = tint_first_trailing_bit(uint2(1u));
uint2 res = uint2(0u);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 98
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_45eb10 "firstTrailingBit_45eb10"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,110 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%9 = OpTypeFunction %v2uint %v2uint
%15 = OpConstantNull %v2uint
%_ptr_Function_v2uint = OpTypePointer Function %v2uint
%18 = OpConstantNull %v2uint
%bool = OpTypeBool
%v2bool = OpTypeVector %bool 2
%uint_65535 = OpConstant %uint 65535
%25 = OpConstantComposite %v2uint %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%28 = OpConstantComposite %v2uint %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%35 = OpConstantComposite %v2uint %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%38 = OpConstantComposite %v2uint %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%45 = OpConstantComposite %v2uint %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%48 = OpConstantComposite %v2uint %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%55 = OpConstantComposite %v2uint %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%58 = OpConstantComposite %v2uint %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%65 = OpConstantComposite %v2uint %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%71 = OpConstantComposite %v2uint %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%78 = OpTypeFunction %void
%84 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v2uint None %9
%v = OpFunctionParameter %v2uint
%14 = OpLabel
%x = OpVariable %_ptr_Function_v2uint Function %18
OpStore %x %v
%23 = OpLoad %v2uint %x
%26 = OpBitwiseAnd %v2uint %23 %25
%20 = OpINotEqual %v2bool %26 %18
%19 = OpSelect %v2uint %20 %18 %28
%29 = OpLoad %v2uint %x
%30 = OpShiftRightLogical %v2uint %29 %19
OpStore %x %30
%33 = OpLoad %v2uint %x
%36 = OpBitwiseAnd %v2uint %33 %35
%32 = OpINotEqual %v2bool %36 %18
%31 = OpSelect %v2uint %32 %18 %38
%39 = OpLoad %v2uint %x
%40 = OpShiftRightLogical %v2uint %39 %31
OpStore %x %40
%43 = OpLoad %v2uint %x
%46 = OpBitwiseAnd %v2uint %43 %45
%42 = OpINotEqual %v2bool %46 %18
%41 = OpSelect %v2uint %42 %18 %48
%49 = OpLoad %v2uint %x
%50 = OpShiftRightLogical %v2uint %49 %41
OpStore %x %50
%53 = OpLoad %v2uint %x
%56 = OpBitwiseAnd %v2uint %53 %55
%52 = OpINotEqual %v2bool %56 %18
%51 = OpSelect %v2uint %52 %18 %58
%59 = OpLoad %v2uint %x
%60 = OpShiftRightLogical %v2uint %59 %51
OpStore %x %60
%63 = OpLoad %v2uint %x
%66 = OpBitwiseAnd %v2uint %63 %65
%62 = OpINotEqual %v2bool %66 %18
%61 = OpSelect %v2uint %62 %18 %65
%68 = OpLoad %v2uint %x
%69 = OpIEqual %v2bool %68 %18
%67 = OpSelect %v2uint %69 %71 %18
%73 = OpBitwiseOr %v2uint %19 %31
%74 = OpBitwiseOr %v2uint %73 %41
%75 = OpBitwiseOr %v2uint %74 %51
%76 = OpBitwiseOr %v2uint %75 %61
%77 = OpBitwiseOr %v2uint %76 %67
OpReturnValue %77
OpFunctionEnd
%firstTrailingBit_45eb10 = OpFunction %void None %78
%81 = OpLabel
%res = OpVariable %_ptr_Function_v2uint Function %18
%82 = OpFunctionCall %v2uint %tint_first_trailing_bit %65
OpStore %res %82
%firstTrailingBit_45eb10 = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v2uint Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %84
%86 = OpLabel
%87 = OpFunctionCall %void %firstTrailingBit_45eb10
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_45eb10
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %78
%89 = OpLabel
%90 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %90
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %78
%93 = OpLabel
%94 = OpFunctionCall %void %firstTrailingBit_45eb10
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_45eb10
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %78
%96 = OpLabel
%97 = OpFunctionCall %void %firstTrailingBit_45eb10
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_45eb10
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
const uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
const uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
const uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
const uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
const uint b1 = (bool((x & 1u)) ? 0u : 1u);
const uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
const uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
const uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
const uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
const uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
const uint b1 = (bool((x & 1u)) ? 0u : 1u);
const uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
uint b16 = (bool((x & 65535u)) ? 0u : 16u);
x = (x >> b16);
uint b8 = (bool((x & 255u)) ? 0u : 8u);
x = (x >> b8);
uint b4 = (bool((x & 15u)) ? 0u : 4u);
x = (x >> b4);
uint b2 = (bool((x & 3u)) ? 0u : 2u);
x = (x >> b2);
uint b1 = (bool((x & 1u)) ? 0u : 1u);
uint is_zero = ((x == 0u) ? 4294967295u : 0u);
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
uint tint_first_trailing_bit(uint v) {
uint x = uint(v);
uint const b16 = select(16u, 0u, bool((x & 65535u)));
x = (x >> b16);
uint const b8 = select(8u, 0u, bool((x & 255u)));
x = (x >> b8);
uint const b4 = select(4u, 0u, bool((x & 15u)));
x = (x >> b4);
uint const b2 = select(2u, 0u, bool((x & 3u)));
x = (x >> b2);
uint const b1 = select(1u, 0u, bool((x & 1u)));
uint const is_zero = select(0u, 4294967295u, (x == 0u));
return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_47d475() {
uint res = tint_first_trailing_bit(1u);
uint res = 0u;
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 86
; Bound: 31
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_47d475 "firstTrailingBit_47d475"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,98 +28,38 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%uint = OpTypeInt 32 0
%9 = OpTypeFunction %uint %uint
%_ptr_Function_uint = OpTypePointer Function %uint
%17 = OpConstantNull %uint
%bool = OpTypeBool
%uint_65535 = OpConstant %uint 65535
%uint_16 = OpConstant %uint 16
%uint_255 = OpConstant %uint 255
%uint_8 = OpConstant %uint 8
%uint_15 = OpConstant %uint 15
%uint_4 = OpConstant %uint 4
%uint_3 = OpConstant %uint 3
%uint_2 = OpConstant %uint 2
%uint_1 = OpConstant %uint 1
%uint_4294967295 = OpConstant %uint 4294967295
%void = OpTypeVoid
%66 = OpTypeFunction %void
%72 = OpTypeFunction %v4float
%9 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%14 = OpConstantNull %uint
%_ptr_Function_uint = OpTypePointer Function %uint
%17 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %uint None %9
%v = OpFunctionParameter %uint
%13 = OpLabel
%x = OpVariable %_ptr_Function_uint Function %17
OpStore %x %v
%21 = OpLoad %uint %x
%23 = OpBitwiseAnd %uint %21 %uint_65535
%19 = OpINotEqual %bool %23 %17
%18 = OpSelect %uint %19 %17 %uint_16
%25 = OpLoad %uint %x
%26 = OpShiftRightLogical %uint %25 %18
OpStore %x %26
%29 = OpLoad %uint %x
%31 = OpBitwiseAnd %uint %29 %uint_255
%28 = OpINotEqual %bool %31 %17
%27 = OpSelect %uint %28 %17 %uint_8
%33 = OpLoad %uint %x
%34 = OpShiftRightLogical %uint %33 %27
OpStore %x %34
%37 = OpLoad %uint %x
%39 = OpBitwiseAnd %uint %37 %uint_15
%36 = OpINotEqual %bool %39 %17
%35 = OpSelect %uint %36 %17 %uint_4
%41 = OpLoad %uint %x
%42 = OpShiftRightLogical %uint %41 %35
OpStore %x %42
%45 = OpLoad %uint %x
%47 = OpBitwiseAnd %uint %45 %uint_3
%44 = OpINotEqual %bool %47 %17
%43 = OpSelect %uint %44 %17 %uint_2
%49 = OpLoad %uint %x
%50 = OpShiftRightLogical %uint %49 %43
OpStore %x %50
%53 = OpLoad %uint %x
%55 = OpBitwiseAnd %uint %53 %uint_1
%52 = OpINotEqual %bool %55 %17
%51 = OpSelect %uint %52 %17 %uint_1
%57 = OpLoad %uint %x
%58 = OpIEqual %bool %57 %17
%56 = OpSelect %uint %58 %uint_4294967295 %17
%61 = OpBitwiseOr %uint %18 %27
%62 = OpBitwiseOr %uint %61 %35
%63 = OpBitwiseOr %uint %62 %43
%64 = OpBitwiseOr %uint %63 %51
%65 = OpBitwiseOr %uint %64 %56
OpReturnValue %65
OpFunctionEnd
%firstTrailingBit_47d475 = OpFunction %void None %66
%69 = OpLabel
%res = OpVariable %_ptr_Function_uint Function %17
%70 = OpFunctionCall %uint %tint_first_trailing_bit %uint_1
OpStore %res %70
%firstTrailingBit_47d475 = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_uint Function %14
OpStore %res %14
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %72
%74 = OpLabel
%75 = OpFunctionCall %void %firstTrailingBit_47d475
%vertex_main_inner = OpFunction %v4float None %17
%19 = OpLabel
%20 = OpFunctionCall %void %firstTrailingBit_47d475
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %66
%77 = OpLabel
%78 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %78
%vertex_main = OpFunction %void None %9
%22 = OpLabel
%23 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %23
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %66
%81 = OpLabel
%82 = OpFunctionCall %void %firstTrailingBit_47d475
%fragment_main = OpFunction %void None %9
%26 = OpLabel
%27 = OpFunctionCall %void %firstTrailingBit_47d475
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %66
%84 = OpLabel
%85 = OpFunctionCall %void %firstTrailingBit_47d475
%compute_main = OpFunction %void None %9
%29 = OpLabel
%30 = OpFunctionCall %void %firstTrailingBit_47d475
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
int2 tint_first_trailing_bit(int2 v) {
uint2 x = uint2(v);
const uint2 b16 = (bool2((x & (65535u).xx)) ? (0u).xx : (16u).xx);
x = (x >> b16);
const uint2 b8 = (bool2((x & (255u).xx)) ? (0u).xx : (8u).xx);
x = (x >> b8);
const uint2 b4 = (bool2((x & (15u).xx)) ? (0u).xx : (4u).xx);
x = (x >> b4);
const uint2 b2 = (bool2((x & (3u).xx)) ? (0u).xx : (2u).xx);
x = (x >> b2);
const uint2 b1 = (bool2((x & (1u).xx)) ? (0u).xx : (1u).xx);
const uint2 is_zero = ((x == (0u).xx) ? (4294967295u).xx : (0u).xx);
return int2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
int2 res = tint_first_trailing_bit((1).xx);
int2 res = (0).xx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
int2 tint_first_trailing_bit(int2 v) {
uint2 x = uint2(v);
const uint2 b16 = (bool2((x & (65535u).xx)) ? (0u).xx : (16u).xx);
x = (x >> b16);
const uint2 b8 = (bool2((x & (255u).xx)) ? (0u).xx : (8u).xx);
x = (x >> b8);
const uint2 b4 = (bool2((x & (15u).xx)) ? (0u).xx : (4u).xx);
x = (x >> b4);
const uint2 b2 = (bool2((x & (3u).xx)) ? (0u).xx : (2u).xx);
x = (x >> b2);
const uint2 b1 = (bool2((x & (1u).xx)) ? (0u).xx : (1u).xx);
const uint2 is_zero = ((x == (0u).xx) ? (4294967295u).xx : (0u).xx);
return int2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
int2 res = tint_first_trailing_bit((1).xx);
int2 res = (0).xx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
ivec2 tint_first_trailing_bit(ivec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return ivec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
ivec2 res = tint_first_trailing_bit(ivec2(1));
ivec2 res = ivec2(0);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
ivec2 tint_first_trailing_bit(ivec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return ivec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
ivec2 res = tint_first_trailing_bit(ivec2(1));
ivec2 res = ivec2(0);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
ivec2 tint_first_trailing_bit(ivec2 v) {
uvec2 x = uvec2(v);
uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
x = (x >> b16);
uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
x = (x >> b8);
uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
x = (x >> b4);
uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
x = (x >> b2);
uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
uvec2 is_zero = mix(uvec2(0u), uvec2(4294967295u), equal(x, uvec2(0u)));
return ivec2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
ivec2 res = tint_first_trailing_bit(ivec2(1));
ivec2 res = ivec2(0);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
int2 tint_first_trailing_bit(int2 v) {
uint2 x = uint2(v);
uint2 const b16 = select(uint2(16u), uint2(0u), bool2((x & uint2(65535u))));
x = (x >> b16);
uint2 const b8 = select(uint2(8u), uint2(0u), bool2((x & uint2(255u))));
x = (x >> b8);
uint2 const b4 = select(uint2(4u), uint2(0u), bool2((x & uint2(15u))));
x = (x >> b4);
uint2 const b2 = select(uint2(2u), uint2(0u), bool2((x & uint2(3u))));
x = (x >> b2);
uint2 const b1 = select(uint2(1u), uint2(0u), bool2((x & uint2(1u))));
uint2 const is_zero = select(uint2(0u), uint2(4294967295u), (x == uint2(0u)));
return int2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_50c072() {
int2 res = tint_first_trailing_bit(int2(1));
int2 res = int2(0);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 104
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_50c072 "firstTrailingBit_50c072"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,118 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%int = OpTypeInt 32 1
%v2int = OpTypeVector %int 2
%9 = OpTypeFunction %v2int %v2int
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%_ptr_Function_v2uint = OpTypePointer Function %v2uint
%20 = OpConstantNull %v2uint
%bool = OpTypeBool
%v2bool = OpTypeVector %bool 2
%uint_65535 = OpConstant %uint 65535
%27 = OpConstantComposite %v2uint %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%30 = OpConstantComposite %v2uint %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%37 = OpConstantComposite %v2uint %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%40 = OpConstantComposite %v2uint %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%47 = OpConstantComposite %v2uint %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%50 = OpConstantComposite %v2uint %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%57 = OpConstantComposite %v2uint %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%60 = OpConstantComposite %v2uint %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%67 = OpConstantComposite %v2uint %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%73 = OpConstantComposite %v2uint %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%80 = OpTypeFunction %void
%int_1 = OpConstant %int 1
%86 = OpConstantComposite %v2int %int_1 %int_1
%15 = OpConstantNull %v2int
%_ptr_Function_v2int = OpTypePointer Function %v2int
%89 = OpConstantNull %v2int
%90 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v2int None %9
%v = OpFunctionParameter %v2int
%14 = OpLabel
%x = OpVariable %_ptr_Function_v2uint Function %20
%15 = OpBitcast %v2uint %v
OpStore %x %15
%25 = OpLoad %v2uint %x
%28 = OpBitwiseAnd %v2uint %25 %27
%22 = OpINotEqual %v2bool %28 %20
%21 = OpSelect %v2uint %22 %20 %30
%31 = OpLoad %v2uint %x
%32 = OpShiftRightLogical %v2uint %31 %21
OpStore %x %32
%35 = OpLoad %v2uint %x
%38 = OpBitwiseAnd %v2uint %35 %37
%34 = OpINotEqual %v2bool %38 %20
%33 = OpSelect %v2uint %34 %20 %40
%41 = OpLoad %v2uint %x
%42 = OpShiftRightLogical %v2uint %41 %33
OpStore %x %42
%45 = OpLoad %v2uint %x
%48 = OpBitwiseAnd %v2uint %45 %47
%44 = OpINotEqual %v2bool %48 %20
%43 = OpSelect %v2uint %44 %20 %50
%51 = OpLoad %v2uint %x
%52 = OpShiftRightLogical %v2uint %51 %43
OpStore %x %52
%55 = OpLoad %v2uint %x
%58 = OpBitwiseAnd %v2uint %55 %57
%54 = OpINotEqual %v2bool %58 %20
%53 = OpSelect %v2uint %54 %20 %60
%61 = OpLoad %v2uint %x
%62 = OpShiftRightLogical %v2uint %61 %53
OpStore %x %62
%65 = OpLoad %v2uint %x
%68 = OpBitwiseAnd %v2uint %65 %67
%64 = OpINotEqual %v2bool %68 %20
%63 = OpSelect %v2uint %64 %20 %67
%70 = OpLoad %v2uint %x
%71 = OpIEqual %v2bool %70 %20
%69 = OpSelect %v2uint %71 %73 %20
%75 = OpBitwiseOr %v2uint %21 %33
%76 = OpBitwiseOr %v2uint %75 %43
%77 = OpBitwiseOr %v2uint %76 %53
%78 = OpBitwiseOr %v2uint %77 %63
%79 = OpBitwiseOr %v2uint %78 %69
%74 = OpBitcast %v2int %79
OpReturnValue %74
OpFunctionEnd
%firstTrailingBit_50c072 = OpFunction %void None %80
%83 = OpLabel
%res = OpVariable %_ptr_Function_v2int Function %89
%84 = OpFunctionCall %v2int %tint_first_trailing_bit %86
OpStore %res %84
%firstTrailingBit_50c072 = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v2int Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %90
%92 = OpLabel
%93 = OpFunctionCall %void %firstTrailingBit_50c072
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_50c072
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %80
%95 = OpLabel
%96 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %96
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %80
%99 = OpLabel
%100 = OpFunctionCall %void %firstTrailingBit_50c072
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_50c072
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %80
%102 = OpLabel
%103 = OpFunctionCall %void %firstTrailingBit_50c072
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_50c072
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
int3 tint_first_trailing_bit(int3 v) {
uint3 x = uint3(v);
const uint3 b16 = (bool3((x & (65535u).xxx)) ? (0u).xxx : (16u).xxx);
x = (x >> b16);
const uint3 b8 = (bool3((x & (255u).xxx)) ? (0u).xxx : (8u).xxx);
x = (x >> b8);
const uint3 b4 = (bool3((x & (15u).xxx)) ? (0u).xxx : (4u).xxx);
x = (x >> b4);
const uint3 b2 = (bool3((x & (3u).xxx)) ? (0u).xxx : (2u).xxx);
x = (x >> b2);
const uint3 b1 = (bool3((x & (1u).xxx)) ? (0u).xxx : (1u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
return int3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
int3 res = tint_first_trailing_bit((1).xxx);
int3 res = (0).xxx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
int3 tint_first_trailing_bit(int3 v) {
uint3 x = uint3(v);
const uint3 b16 = (bool3((x & (65535u).xxx)) ? (0u).xxx : (16u).xxx);
x = (x >> b16);
const uint3 b8 = (bool3((x & (255u).xxx)) ? (0u).xxx : (8u).xxx);
x = (x >> b8);
const uint3 b4 = (bool3((x & (15u).xxx)) ? (0u).xxx : (4u).xxx);
x = (x >> b4);
const uint3 b2 = (bool3((x & (3u).xxx)) ? (0u).xxx : (2u).xxx);
x = (x >> b2);
const uint3 b1 = (bool3((x & (1u).xxx)) ? (0u).xxx : (1u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
return int3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
int3 res = tint_first_trailing_bit((1).xxx);
int3 res = (0).xxx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
ivec3 tint_first_trailing_bit(ivec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return ivec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
ivec3 res = tint_first_trailing_bit(ivec3(1));
ivec3 res = ivec3(0);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
ivec3 tint_first_trailing_bit(ivec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return ivec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
ivec3 res = tint_first_trailing_bit(ivec3(1));
ivec3 res = ivec3(0);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
ivec3 tint_first_trailing_bit(ivec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return ivec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
ivec3 res = tint_first_trailing_bit(ivec3(1));
ivec3 res = ivec3(0);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
int3 tint_first_trailing_bit(int3 v) {
uint3 x = uint3(v);
uint3 const b16 = select(uint3(16u), uint3(0u), bool3((x & uint3(65535u))));
x = (x >> b16);
uint3 const b8 = select(uint3(8u), uint3(0u), bool3((x & uint3(255u))));
x = (x >> b8);
uint3 const b4 = select(uint3(4u), uint3(0u), bool3((x & uint3(15u))));
x = (x >> b4);
uint3 const b2 = select(uint3(2u), uint3(0u), bool3((x & uint3(3u))));
x = (x >> b2);
uint3 const b1 = select(uint3(1u), uint3(0u), bool3((x & uint3(1u))));
uint3 const is_zero = select(uint3(0u), uint3(4294967295u), (x == uint3(0u)));
return int3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_7496d6() {
int3 res = tint_first_trailing_bit(int3(1));
int3 res = int3(0);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 104
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_7496d6 "firstTrailingBit_7496d6"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,118 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%int = OpTypeInt 32 1
%v3int = OpTypeVector %int 3
%9 = OpTypeFunction %v3int %v3int
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%_ptr_Function_v3uint = OpTypePointer Function %v3uint
%20 = OpConstantNull %v3uint
%bool = OpTypeBool
%v3bool = OpTypeVector %bool 3
%uint_65535 = OpConstant %uint 65535
%27 = OpConstantComposite %v3uint %uint_65535 %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%30 = OpConstantComposite %v3uint %uint_16 %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%37 = OpConstantComposite %v3uint %uint_255 %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%40 = OpConstantComposite %v3uint %uint_8 %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%47 = OpConstantComposite %v3uint %uint_15 %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%50 = OpConstantComposite %v3uint %uint_4 %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%57 = OpConstantComposite %v3uint %uint_3 %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%60 = OpConstantComposite %v3uint %uint_2 %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%67 = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%73 = OpConstantComposite %v3uint %uint_4294967295 %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%80 = OpTypeFunction %void
%int_1 = OpConstant %int 1
%86 = OpConstantComposite %v3int %int_1 %int_1 %int_1
%15 = OpConstantNull %v3int
%_ptr_Function_v3int = OpTypePointer Function %v3int
%89 = OpConstantNull %v3int
%90 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v3int None %9
%v = OpFunctionParameter %v3int
%14 = OpLabel
%x = OpVariable %_ptr_Function_v3uint Function %20
%15 = OpBitcast %v3uint %v
OpStore %x %15
%25 = OpLoad %v3uint %x
%28 = OpBitwiseAnd %v3uint %25 %27
%22 = OpINotEqual %v3bool %28 %20
%21 = OpSelect %v3uint %22 %20 %30
%31 = OpLoad %v3uint %x
%32 = OpShiftRightLogical %v3uint %31 %21
OpStore %x %32
%35 = OpLoad %v3uint %x
%38 = OpBitwiseAnd %v3uint %35 %37
%34 = OpINotEqual %v3bool %38 %20
%33 = OpSelect %v3uint %34 %20 %40
%41 = OpLoad %v3uint %x
%42 = OpShiftRightLogical %v3uint %41 %33
OpStore %x %42
%45 = OpLoad %v3uint %x
%48 = OpBitwiseAnd %v3uint %45 %47
%44 = OpINotEqual %v3bool %48 %20
%43 = OpSelect %v3uint %44 %20 %50
%51 = OpLoad %v3uint %x
%52 = OpShiftRightLogical %v3uint %51 %43
OpStore %x %52
%55 = OpLoad %v3uint %x
%58 = OpBitwiseAnd %v3uint %55 %57
%54 = OpINotEqual %v3bool %58 %20
%53 = OpSelect %v3uint %54 %20 %60
%61 = OpLoad %v3uint %x
%62 = OpShiftRightLogical %v3uint %61 %53
OpStore %x %62
%65 = OpLoad %v3uint %x
%68 = OpBitwiseAnd %v3uint %65 %67
%64 = OpINotEqual %v3bool %68 %20
%63 = OpSelect %v3uint %64 %20 %67
%70 = OpLoad %v3uint %x
%71 = OpIEqual %v3bool %70 %20
%69 = OpSelect %v3uint %71 %73 %20
%75 = OpBitwiseOr %v3uint %21 %33
%76 = OpBitwiseOr %v3uint %75 %43
%77 = OpBitwiseOr %v3uint %76 %53
%78 = OpBitwiseOr %v3uint %77 %63
%79 = OpBitwiseOr %v3uint %78 %69
%74 = OpBitcast %v3int %79
OpReturnValue %74
OpFunctionEnd
%firstTrailingBit_7496d6 = OpFunction %void None %80
%83 = OpLabel
%res = OpVariable %_ptr_Function_v3int Function %89
%84 = OpFunctionCall %v3int %tint_first_trailing_bit %86
OpStore %res %84
%firstTrailingBit_7496d6 = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v3int Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %90
%92 = OpLabel
%93 = OpFunctionCall %void %firstTrailingBit_7496d6
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_7496d6
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %80
%95 = OpLabel
%96 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %96
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %80
%99 = OpLabel
%100 = OpFunctionCall %void %firstTrailingBit_7496d6
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_7496d6
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %80
%102 = OpLabel
%103 = OpFunctionCall %void %firstTrailingBit_7496d6
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_7496d6
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
int4 tint_first_trailing_bit(int4 v) {
uint4 x = uint4(v);
const uint4 b16 = (bool4((x & (65535u).xxxx)) ? (0u).xxxx : (16u).xxxx);
x = (x >> b16);
const uint4 b8 = (bool4((x & (255u).xxxx)) ? (0u).xxxx : (8u).xxxx);
x = (x >> b8);
const uint4 b4 = (bool4((x & (15u).xxxx)) ? (0u).xxxx : (4u).xxxx);
x = (x >> b4);
const uint4 b2 = (bool4((x & (3u).xxxx)) ? (0u).xxxx : (2u).xxxx);
x = (x >> b2);
const uint4 b1 = (bool4((x & (1u).xxxx)) ? (0u).xxxx : (1u).xxxx);
const uint4 is_zero = ((x == (0u).xxxx) ? (4294967295u).xxxx : (0u).xxxx);
return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
int4 res = tint_first_trailing_bit((1).xxxx);
int4 res = (0).xxxx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
int4 tint_first_trailing_bit(int4 v) {
uint4 x = uint4(v);
const uint4 b16 = (bool4((x & (65535u).xxxx)) ? (0u).xxxx : (16u).xxxx);
x = (x >> b16);
const uint4 b8 = (bool4((x & (255u).xxxx)) ? (0u).xxxx : (8u).xxxx);
x = (x >> b8);
const uint4 b4 = (bool4((x & (15u).xxxx)) ? (0u).xxxx : (4u).xxxx);
x = (x >> b4);
const uint4 b2 = (bool4((x & (3u).xxxx)) ? (0u).xxxx : (2u).xxxx);
x = (x >> b2);
const uint4 b1 = (bool4((x & (1u).xxxx)) ? (0u).xxxx : (1u).xxxx);
const uint4 is_zero = ((x == (0u).xxxx) ? (4294967295u).xxxx : (0u).xxxx);
return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
int4 res = tint_first_trailing_bit((1).xxxx);
int4 res = (0).xxxx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
ivec4 tint_first_trailing_bit(ivec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return ivec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
ivec4 res = tint_first_trailing_bit(ivec4(1));
ivec4 res = ivec4(0);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
ivec4 tint_first_trailing_bit(ivec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return ivec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
ivec4 res = tint_first_trailing_bit(ivec4(1));
ivec4 res = ivec4(0);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
ivec4 tint_first_trailing_bit(ivec4 v) {
uvec4 x = uvec4(v);
uvec4 b16 = mix(uvec4(16u), uvec4(0u), bvec4((x & uvec4(65535u))));
x = (x >> b16);
uvec4 b8 = mix(uvec4(8u), uvec4(0u), bvec4((x & uvec4(255u))));
x = (x >> b8);
uvec4 b4 = mix(uvec4(4u), uvec4(0u), bvec4((x & uvec4(15u))));
x = (x >> b4);
uvec4 b2 = mix(uvec4(2u), uvec4(0u), bvec4((x & uvec4(3u))));
x = (x >> b2);
uvec4 b1 = mix(uvec4(1u), uvec4(0u), bvec4((x & uvec4(1u))));
uvec4 is_zero = mix(uvec4(0u), uvec4(4294967295u), equal(x, uvec4(0u)));
return ivec4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
ivec4 res = tint_first_trailing_bit(ivec4(1));
ivec4 res = ivec4(0);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#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 res = tint_first_trailing_bit(int4(1));
int4 res = int4(0);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 104
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_86551b "firstTrailingBit_86551b"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,118 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%int = OpTypeInt 32 1
%v4int = OpTypeVector %int 4
%9 = OpTypeFunction %v4int %v4int
%uint = OpTypeInt 32 0
%v4uint = OpTypeVector %uint 4
%_ptr_Function_v4uint = OpTypePointer Function %v4uint
%20 = OpConstantNull %v4uint
%bool = OpTypeBool
%v4bool = OpTypeVector %bool 4
%uint_65535 = OpConstant %uint 65535
%27 = OpConstantComposite %v4uint %uint_65535 %uint_65535 %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%30 = OpConstantComposite %v4uint %uint_16 %uint_16 %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%37 = OpConstantComposite %v4uint %uint_255 %uint_255 %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%40 = OpConstantComposite %v4uint %uint_8 %uint_8 %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%47 = OpConstantComposite %v4uint %uint_15 %uint_15 %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%50 = OpConstantComposite %v4uint %uint_4 %uint_4 %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%57 = OpConstantComposite %v4uint %uint_3 %uint_3 %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%60 = OpConstantComposite %v4uint %uint_2 %uint_2 %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%67 = OpConstantComposite %v4uint %uint_1 %uint_1 %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%73 = OpConstantComposite %v4uint %uint_4294967295 %uint_4294967295 %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%80 = OpTypeFunction %void
%int_1 = OpConstant %int 1
%86 = OpConstantComposite %v4int %int_1 %int_1 %int_1 %int_1
%15 = OpConstantNull %v4int
%_ptr_Function_v4int = OpTypePointer Function %v4int
%89 = OpConstantNull %v4int
%90 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v4int None %9
%v = OpFunctionParameter %v4int
%14 = OpLabel
%x = OpVariable %_ptr_Function_v4uint Function %20
%15 = OpBitcast %v4uint %v
OpStore %x %15
%25 = OpLoad %v4uint %x
%28 = OpBitwiseAnd %v4uint %25 %27
%22 = OpINotEqual %v4bool %28 %20
%21 = OpSelect %v4uint %22 %20 %30
%31 = OpLoad %v4uint %x
%32 = OpShiftRightLogical %v4uint %31 %21
OpStore %x %32
%35 = OpLoad %v4uint %x
%38 = OpBitwiseAnd %v4uint %35 %37
%34 = OpINotEqual %v4bool %38 %20
%33 = OpSelect %v4uint %34 %20 %40
%41 = OpLoad %v4uint %x
%42 = OpShiftRightLogical %v4uint %41 %33
OpStore %x %42
%45 = OpLoad %v4uint %x
%48 = OpBitwiseAnd %v4uint %45 %47
%44 = OpINotEqual %v4bool %48 %20
%43 = OpSelect %v4uint %44 %20 %50
%51 = OpLoad %v4uint %x
%52 = OpShiftRightLogical %v4uint %51 %43
OpStore %x %52
%55 = OpLoad %v4uint %x
%58 = OpBitwiseAnd %v4uint %55 %57
%54 = OpINotEqual %v4bool %58 %20
%53 = OpSelect %v4uint %54 %20 %60
%61 = OpLoad %v4uint %x
%62 = OpShiftRightLogical %v4uint %61 %53
OpStore %x %62
%65 = OpLoad %v4uint %x
%68 = OpBitwiseAnd %v4uint %65 %67
%64 = OpINotEqual %v4bool %68 %20
%63 = OpSelect %v4uint %64 %20 %67
%70 = OpLoad %v4uint %x
%71 = OpIEqual %v4bool %70 %20
%69 = OpSelect %v4uint %71 %73 %20
%75 = OpBitwiseOr %v4uint %21 %33
%76 = OpBitwiseOr %v4uint %75 %43
%77 = OpBitwiseOr %v4uint %76 %53
%78 = OpBitwiseOr %v4uint %77 %63
%79 = OpBitwiseOr %v4uint %78 %69
%74 = OpBitcast %v4int %79
OpReturnValue %74
OpFunctionEnd
%firstTrailingBit_86551b = OpFunction %void None %80
%83 = OpLabel
%res = OpVariable %_ptr_Function_v4int Function %89
%84 = OpFunctionCall %v4int %tint_first_trailing_bit %86
OpStore %res %84
%firstTrailingBit_86551b = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v4int Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %90
%92 = OpLabel
%93 = OpFunctionCall %void %firstTrailingBit_86551b
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_86551b
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %80
%95 = OpLabel
%96 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %96
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %80
%99 = OpLabel
%100 = OpFunctionCall %void %firstTrailingBit_86551b
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_86551b
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %80
%102 = OpLabel
%103 = OpFunctionCall %void %firstTrailingBit_86551b
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_86551b
OpReturn
OpFunctionEnd

View File

@ -1,20 +1,5 @@
uint3 tint_first_trailing_bit(uint3 v) {
uint3 x = uint3(v);
const uint3 b16 = (bool3((x & (65535u).xxx)) ? (0u).xxx : (16u).xxx);
x = (x >> b16);
const uint3 b8 = (bool3((x & (255u).xxx)) ? (0u).xxx : (8u).xxx);
x = (x >> b8);
const uint3 b4 = (bool3((x & (15u).xxx)) ? (0u).xxx : (4u).xxx);
x = (x >> b4);
const uint3 b2 = (bool3((x & (3u).xxx)) ? (0u).xxx : (2u).xxx);
x = (x >> b2);
const uint3 b1 = (bool3((x & (1u).xxx)) ? (0u).xxx : (1u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
return uint3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uint3 res = tint_first_trailing_bit((1u).xxx);
uint3 res = (0u).xxx;
}
struct tint_symbol {

View File

@ -1,20 +1,5 @@
uint3 tint_first_trailing_bit(uint3 v) {
uint3 x = uint3(v);
const uint3 b16 = (bool3((x & (65535u).xxx)) ? (0u).xxx : (16u).xxx);
x = (x >> b16);
const uint3 b8 = (bool3((x & (255u).xxx)) ? (0u).xxx : (8u).xxx);
x = (x >> b8);
const uint3 b4 = (bool3((x & (15u).xxx)) ? (0u).xxx : (4u).xxx);
x = (x >> b4);
const uint3 b2 = (bool3((x & (3u).xxx)) ? (0u).xxx : (2u).xxx);
x = (x >> b2);
const uint3 b1 = (bool3((x & (1u).xxx)) ? (0u).xxx : (1u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
return uint3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uint3 res = tint_first_trailing_bit((1u).xxx);
uint3 res = (0u).xxx;
}
struct tint_symbol {

View File

@ -1,22 +1,7 @@
#version 310 es
uvec3 tint_first_trailing_bit(uvec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return uvec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uvec3 res = tint_first_trailing_bit(uvec3(1u));
uvec3 res = uvec3(0u);
}
vec4 vertex_main() {
@ -35,23 +20,8 @@ void main() {
#version 310 es
precision mediump float;
uvec3 tint_first_trailing_bit(uvec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return uvec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uvec3 res = tint_first_trailing_bit(uvec3(1u));
uvec3 res = uvec3(0u);
}
void fragment_main() {
@ -64,23 +34,8 @@ void main() {
}
#version 310 es
uvec3 tint_first_trailing_bit(uvec3 v) {
uvec3 x = uvec3(v);
uvec3 b16 = mix(uvec3(16u), uvec3(0u), bvec3((x & uvec3(65535u))));
x = (x >> b16);
uvec3 b8 = mix(uvec3(8u), uvec3(0u), bvec3((x & uvec3(255u))));
x = (x >> b8);
uvec3 b4 = mix(uvec3(4u), uvec3(0u), bvec3((x & uvec3(15u))));
x = (x >> b4);
uvec3 b2 = mix(uvec3(2u), uvec3(0u), bvec3((x & uvec3(3u))));
x = (x >> b2);
uvec3 b1 = mix(uvec3(1u), uvec3(0u), bvec3((x & uvec3(1u))));
uvec3 is_zero = mix(uvec3(0u), uvec3(4294967295u), equal(x, uvec3(0u)));
return uvec3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uvec3 res = tint_first_trailing_bit(uvec3(1u));
uvec3 res = uvec3(0u);
}
void compute_main() {

View File

@ -1,23 +1,8 @@
#include <metal_stdlib>
using namespace metal;
uint3 tint_first_trailing_bit(uint3 v) {
uint3 x = uint3(v);
uint3 const b16 = select(uint3(16u), uint3(0u), bool3((x & uint3(65535u))));
x = (x >> b16);
uint3 const b8 = select(uint3(8u), uint3(0u), bool3((x & uint3(255u))));
x = (x >> b8);
uint3 const b4 = select(uint3(4u), uint3(0u), bool3((x & uint3(15u))));
x = (x >> b4);
uint3 const b2 = select(uint3(2u), uint3(0u), bool3((x & uint3(3u))));
x = (x >> b2);
uint3 const b1 = select(uint3(1u), uint3(0u), bool3((x & uint3(1u))));
uint3 const is_zero = select(uint3(0u), uint3(4294967295u), (x == uint3(0u)));
return uint3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uint3 res = tint_first_trailing_bit(uint3(1u));
uint3 res = uint3(0u);
}
struct tint_symbol {

View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 98
; Bound: 32
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@ -12,9 +12,6 @@
OpExecutionMode %compute_main LocalSize 1 1 1
OpName %value "value"
OpName %vertex_point_size "vertex_point_size"
OpName %tint_first_trailing_bit "tint_first_trailing_bit"
OpName %v "v"
OpName %x "x"
OpName %firstTrailingBit_cb51ce "firstTrailingBit_cb51ce"
OpName %res "res"
OpName %vertex_main_inner "vertex_main_inner"
@ -31,110 +28,39 @@
%_ptr_Output_float = OpTypePointer Output %float
%8 = OpConstantNull %float
%vertex_point_size = OpVariable %_ptr_Output_float Output %8
%void = OpTypeVoid
%9 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%9 = OpTypeFunction %v3uint %v3uint
%15 = OpConstantNull %v3uint
%_ptr_Function_v3uint = OpTypePointer Function %v3uint
%18 = OpConstantNull %v3uint
%bool = OpTypeBool
%v3bool = OpTypeVector %bool 3
%uint_65535 = OpConstant %uint 65535
%25 = OpConstantComposite %v3uint %uint_65535 %uint_65535 %uint_65535
%uint_16 = OpConstant %uint 16
%28 = OpConstantComposite %v3uint %uint_16 %uint_16 %uint_16
%uint_255 = OpConstant %uint 255
%35 = OpConstantComposite %v3uint %uint_255 %uint_255 %uint_255
%uint_8 = OpConstant %uint 8
%38 = OpConstantComposite %v3uint %uint_8 %uint_8 %uint_8
%uint_15 = OpConstant %uint 15
%45 = OpConstantComposite %v3uint %uint_15 %uint_15 %uint_15
%uint_4 = OpConstant %uint 4
%48 = OpConstantComposite %v3uint %uint_4 %uint_4 %uint_4
%uint_3 = OpConstant %uint 3
%55 = OpConstantComposite %v3uint %uint_3 %uint_3 %uint_3
%uint_2 = OpConstant %uint 2
%58 = OpConstantComposite %v3uint %uint_2 %uint_2 %uint_2
%uint_1 = OpConstant %uint 1
%65 = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_1
%uint_4294967295 = OpConstant %uint 4294967295
%71 = OpConstantComposite %v3uint %uint_4294967295 %uint_4294967295 %uint_4294967295
%void = OpTypeVoid
%78 = OpTypeFunction %void
%84 = OpTypeFunction %v4float
%18 = OpTypeFunction %v4float
%float_1 = OpConstant %float 1
%tint_first_trailing_bit = OpFunction %v3uint None %9
%v = OpFunctionParameter %v3uint
%14 = OpLabel
%x = OpVariable %_ptr_Function_v3uint Function %18
OpStore %x %v
%23 = OpLoad %v3uint %x
%26 = OpBitwiseAnd %v3uint %23 %25
%20 = OpINotEqual %v3bool %26 %18
%19 = OpSelect %v3uint %20 %18 %28
%29 = OpLoad %v3uint %x
%30 = OpShiftRightLogical %v3uint %29 %19
OpStore %x %30
%33 = OpLoad %v3uint %x
%36 = OpBitwiseAnd %v3uint %33 %35
%32 = OpINotEqual %v3bool %36 %18
%31 = OpSelect %v3uint %32 %18 %38
%39 = OpLoad %v3uint %x
%40 = OpShiftRightLogical %v3uint %39 %31
OpStore %x %40
%43 = OpLoad %v3uint %x
%46 = OpBitwiseAnd %v3uint %43 %45
%42 = OpINotEqual %v3bool %46 %18
%41 = OpSelect %v3uint %42 %18 %48
%49 = OpLoad %v3uint %x
%50 = OpShiftRightLogical %v3uint %49 %41
OpStore %x %50
%53 = OpLoad %v3uint %x
%56 = OpBitwiseAnd %v3uint %53 %55
%52 = OpINotEqual %v3bool %56 %18
%51 = OpSelect %v3uint %52 %18 %58
%59 = OpLoad %v3uint %x
%60 = OpShiftRightLogical %v3uint %59 %51
OpStore %x %60
%63 = OpLoad %v3uint %x
%66 = OpBitwiseAnd %v3uint %63 %65
%62 = OpINotEqual %v3bool %66 %18
%61 = OpSelect %v3uint %62 %18 %65
%68 = OpLoad %v3uint %x
%69 = OpIEqual %v3bool %68 %18
%67 = OpSelect %v3uint %69 %71 %18
%73 = OpBitwiseOr %v3uint %19 %31
%74 = OpBitwiseOr %v3uint %73 %41
%75 = OpBitwiseOr %v3uint %74 %51
%76 = OpBitwiseOr %v3uint %75 %61
%77 = OpBitwiseOr %v3uint %76 %67
OpReturnValue %77
OpFunctionEnd
%firstTrailingBit_cb51ce = OpFunction %void None %78
%81 = OpLabel
%res = OpVariable %_ptr_Function_v3uint Function %18
%82 = OpFunctionCall %v3uint %tint_first_trailing_bit %65
OpStore %res %82
%firstTrailingBit_cb51ce = OpFunction %void None %9
%12 = OpLabel
%res = OpVariable %_ptr_Function_v3uint Function %15
OpStore %res %15
OpReturn
OpFunctionEnd
%vertex_main_inner = OpFunction %v4float None %84
%86 = OpLabel
%87 = OpFunctionCall %void %firstTrailingBit_cb51ce
%vertex_main_inner = OpFunction %v4float None %18
%20 = OpLabel
%21 = OpFunctionCall %void %firstTrailingBit_cb51ce
OpReturnValue %5
OpFunctionEnd
%vertex_main = OpFunction %void None %78
%89 = OpLabel
%90 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %90
%vertex_main = OpFunction %void None %9
%23 = OpLabel
%24 = OpFunctionCall %v4float %vertex_main_inner
OpStore %value %24
OpStore %vertex_point_size %float_1
OpReturn
OpFunctionEnd
%fragment_main = OpFunction %void None %78
%93 = OpLabel
%94 = OpFunctionCall %void %firstTrailingBit_cb51ce
%fragment_main = OpFunction %void None %9
%27 = OpLabel
%28 = OpFunctionCall %void %firstTrailingBit_cb51ce
OpReturn
OpFunctionEnd
%compute_main = OpFunction %void None %78
%96 = OpLabel
%97 = OpFunctionCall %void %firstTrailingBit_cb51ce
%compute_main = OpFunction %void None %9
%30 = OpLabel
%31 = OpFunctionCall %void %firstTrailingBit_cb51ce
OpReturn
OpFunctionEnd

View File

@ -494,14 +494,6 @@ crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,extractBits:
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,extractBits:u32:inputSource="const";width=2 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,extractBits:u32:inputSource="const";width=3 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,extractBits:u32:inputSource="const";width=4 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:i32:inputSource="const";vectorize="_undef_" [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:i32:inputSource="const";vectorize=2 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:i32:inputSource="const";vectorize=3 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:i32:inputSource="const";vectorize=4 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:u32:inputSource="const";vectorize="_undef_" [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:u32:inputSource="const";vectorize=2 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:u32:inputSource="const";vectorize=3 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,firstTrailingBit:u32:inputSource="const";vectorize=4 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,floor:f32:inputSource="const";vectorize="_undef_" [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,floor:f32:inputSource="const";vectorize=2 [ Failure ]
crbug.com/tint/1613 webgpu:shader,execution,expression,call,builtin,floor:f32:inputSource="const";vectorize=3 [ Failure ]