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Bitfield Fixes (#5305)

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Connor Fitzgerald 2024-02-29 15:50:42 -05:00 committed by GitHub
parent b020b984df
commit a5c0181c3a
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13 changed files with 802 additions and 272 deletions
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1
CHANGELOG.md
View File

@ -120,6 +120,7 @@ Bottom level categories:
- Fix timeout when presenting a surface where no work has been done. By @waywardmonkeys in [#5200](https://github.com/gfx-rs/wgpu/pull/5200)
- Simplify and speed up the allocation of internal IDs. By @nical in [#5229](https://github.com/gfx-rs/wgpu/pull/5229)
- Fix an issue where command encoders weren't properly freed if an error occurred during command encoding. By @ErichDonGubler in [#5251](https://github.com/gfx-rs/wgpu/pull/5251).
- Fix behavior of `extractBits` and `insertBits` when `offset + count` overflows the bit width. By @cwfitzgerald in [#5305](https://github.com/gfx-rs/wgpu/pull/5305)
- Fix registry leaks with de-duplicated resources. By @nical in [#5244](https://github.com/gfx-rs/wgpu/pull/5244)
- Fix behavior of integer `clamp` when `min` argument > `max` argument. By @cwfitzgerald in [#5300](https://github.com/gfx-rs/wgpu/pull/5300).
- Fix missing validation for `Device::clear_buffer` where `offset + size buffer.size` was not checked when `size` was omitted. By @ErichDonGubler in [#5282](https://github.com/gfx-rs/wgpu/pull/5282).

72
naga/src/back/glsl/mod.rs
View File

@ -1290,7 +1290,14 @@ impl<'a, W: Write> Writer<'a, W> {
let inner = expr_info.ty.inner_with(&self.module.types);
if let Expression::Math { fun, arg, arg1, .. } = *expr {
if let Expression::Math {
fun,
arg,
arg1,
arg2,
..
} = *expr
{
match fun {
crate::MathFunction::Dot => {
// if the expression is a Dot product with integer arguments,
@ -1305,6 +1312,14 @@ impl<'a, W: Write> Writer<'a, W> {
}
}
}
crate::MathFunction::ExtractBits => {
// Only argument 1 is re-used.
self.need_bake_expressions.insert(arg1.unwrap());
}
crate::MathFunction::InsertBits => {
// Only argument 2 is re-used.
self.need_bake_expressions.insert(arg2.unwrap());
}
crate::MathFunction::CountLeadingZeros => {
if let Some(crate::ScalarKind::Sint) = inner.scalar_kind() {
self.need_bake_expressions.insert(arg);
@ -3375,8 +3390,59 @@ impl<'a, W: Write> Writer<'a, W> {
}
Mf::CountOneBits => "bitCount",
Mf::ReverseBits => "bitfieldReverse",
Mf::ExtractBits => "bitfieldExtract",
Mf::InsertBits => "bitfieldInsert",
Mf::ExtractBits => {
// The behavior of ExtractBits is undefined when offset + count > bit_width. We need
// to first sanitize the offset and count first. If we don't do this, AMD and Intel chips
// will return out-of-spec values if the extracted range is not within the bit width.
//
// This encodes the exact formula specified by the wgsl spec, without temporary values:
// https://gpuweb.github.io/gpuweb/wgsl/#extractBits-unsigned-builtin
//
// w = sizeof(x) * 8
// o = min(offset, w)
// c = min(count, w - o)
//
// bitfieldExtract(x, o, c)
//
// extract_bits(e, min(offset, w), min(count, w - min(offset, w))))
let scalar_bits = ctx
.resolve_type(arg, &self.module.types)
.scalar_width()
.unwrap();
write!(self.out, "bitfieldExtract(")?;
self.write_expr(arg, ctx)?;
write!(self.out, ", int(min(")?;
self.write_expr(arg1.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u)), int(min(",)?;
self.write_expr(arg2.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u - min(")?;
self.write_expr(arg1.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u))))")?;
return Ok(());
}
Mf::InsertBits => {
// InsertBits has the same considerations as ExtractBits above
let scalar_bits = ctx
.resolve_type(arg, &self.module.types)
.scalar_width()
.unwrap();
write!(self.out, "bitfieldInsert(")?;
self.write_expr(arg, ctx)?;
write!(self.out, ", ")?;
self.write_expr(arg1.unwrap(), ctx)?;
write!(self.out, ", int(min(")?;
self.write_expr(arg2.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u)), int(min(",)?;
self.write_expr(arg3.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u - min(")?;
self.write_expr(arg2.unwrap(), ctx)?;
write!(self.out, ", {scalar_bits}u))))")?;
return Ok(());
}
Mf::FindLsb => "findLSB",
Mf::FindMsb => "findMSB",
// data packing

150
naga/src/back/hlsl/help.rs
View File

@ -26,7 +26,11 @@ int dim_1d = NagaDimensions1D(image_1d);
```
*/
use super::{super::FunctionCtx, BackendResult};
use super::{
super::FunctionCtx,
writer::{EXTRACT_BITS_FUNCTION, INSERT_BITS_FUNCTION},
BackendResult,
};
use crate::{arena::Handle, proc::NameKey};
use std::fmt::Write;
@ -59,6 +63,13 @@ pub(super) struct WrappedMatCx2 {
pub(super) columns: crate::VectorSize,
}
#[derive(Clone, Copy, Debug, Hash, Eq, Ord, PartialEq, PartialOrd)]
pub(super) struct WrappedMath {
pub(super) fun: crate::MathFunction,
pub(super) scalar: crate::Scalar,
pub(super) components: Option<u32>,
}
/// HLSL backend requires its own `ImageQuery` enum.
///
/// It is used inside `WrappedImageQuery` and should be unique per ImageQuery function.
@ -851,12 +862,149 @@ impl<'a, W: Write> super::Writer<'a, W> {
Ok(())
}
pub(super) fn write_wrapped_math_functions(
&mut self,
module: &crate::Module,
func_ctx: &FunctionCtx,
) -> BackendResult {
for (_, expression) in func_ctx.expressions.iter() {
if let crate::Expression::Math {
fun,
arg,
arg1: _arg1,
arg2: _arg2,
arg3: _arg3,
} = *expression
{
match fun {
crate::MathFunction::ExtractBits => {
// The behavior of our extractBits polyfill is undefined if offset + count > bit_width. We need
// to first sanitize the offset and count first. If we don't do this, we will get out-of-spec
// values if the extracted range is not within the bit width.
//
// This encodes the exact formula specified by the wgsl spec:
// https://gpuweb.github.io/gpuweb/wgsl/#extractBits-unsigned-builtin
//
// w = sizeof(x) * 8
// o = min(offset, w)
// c = min(count, w - o)
//
// bitfieldExtract(x, o, c)
let arg_ty = func_ctx.resolve_type(arg, &module.types);
let scalar = arg_ty.scalar().unwrap();
let components = arg_ty.components();
let wrapped = WrappedMath {
fun,
scalar,
components,
};
if !self.wrapped.math.insert(wrapped) {
continue;
}
// Write return type
self.write_value_type(module, arg_ty)?;
let scalar_width: u8 = scalar.width * 8;
// Write function name and parameters
writeln!(self.out, " {EXTRACT_BITS_FUNCTION}(")?;
write!(self.out, " ")?;
self.write_value_type(module, arg_ty)?;
writeln!(self.out, " e,")?;
writeln!(self.out, " uint offset,")?;
writeln!(self.out, " uint count")?;
writeln!(self.out, ") {{")?;
// Write function body
writeln!(self.out, " uint w = {scalar_width};")?;
writeln!(self.out, " uint o = min(offset, w);")?;
writeln!(self.out, " uint c = min(count, w - o);")?;
writeln!(
self.out,
" return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));"
)?;
// End of function body
writeln!(self.out, "}}")?;
}
crate::MathFunction::InsertBits => {
// The behavior of our insertBits polyfill has the same constraints as the extractBits polyfill.
let arg_ty = func_ctx.resolve_type(arg, &module.types);
let scalar = arg_ty.scalar().unwrap();
let components = arg_ty.components();
let wrapped = WrappedMath {
fun,
scalar,
components,
};
if !self.wrapped.math.insert(wrapped) {
continue;
}
// Write return type
self.write_value_type(module, arg_ty)?;
let scalar_width: u8 = scalar.width * 8;
let scalar_max: u64 = match scalar.width {
1 => 0xFF,
2 => 0xFFFF,
4 => 0xFFFFFFFF,
8 => 0xFFFFFFFFFFFFFFFF,
_ => unreachable!(),
};
// Write function name and parameters
writeln!(self.out, " {INSERT_BITS_FUNCTION}(")?;
write!(self.out, " ")?;
self.write_value_type(module, arg_ty)?;
writeln!(self.out, " e,")?;
write!(self.out, " ")?;
self.write_value_type(module, arg_ty)?;
writeln!(self.out, " newbits,")?;
writeln!(self.out, " uint offset,")?;
writeln!(self.out, " uint count")?;
writeln!(self.out, ") {{")?;
// Write function body
writeln!(self.out, " uint w = {scalar_width}u;")?;
writeln!(self.out, " uint o = min(offset, w);")?;
writeln!(self.out, " uint c = min(count, w - o);")?;
// The `u` suffix on the literals is _extremely_ important. Otherwise it will use
// i32 shifting instead of the intended u32 shifting.
writeln!(
self.out,
" uint mask = (({scalar_max}u >> ({scalar_width}u - c)) << o);"
)?;
writeln!(
self.out,
" return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));"
)?;
// End of function body
writeln!(self.out, "}}")?;
}
_ => {}
}
}
}
Ok(())
}
/// Helper function that writes various wrapped functions
pub(super) fn write_wrapped_functions(
&mut self,
module: &crate::Module,
func_ctx: &FunctionCtx,
) -> BackendResult {
self.write_wrapped_math_functions(module, func_ctx)?;
self.write_wrapped_compose_functions(module, func_ctx.expressions)?;
for (handle, _) in func_ctx.expressions.iter() {

2
naga/src/back/hlsl/keywords.rs
View File

@ -817,6 +817,8 @@ pub const RESERVED: &[&str] = &[
// Naga utilities
super::writer::MODF_FUNCTION,
super::writer::FREXP_FUNCTION,
super::writer::EXTRACT_BITS_FUNCTION,
super::writer::INSERT_BITS_FUNCTION,
];
// DXC scalar types, from https://github.com/microsoft/DirectXShaderCompiler/blob/18c9e114f9c314f93e68fbc72ce207d4ed2e65ae/tools/clang/lib/AST/ASTContextHLSL.cpp#L48-L254

2
naga/src/back/hlsl/mod.rs
View File

@ -256,6 +256,7 @@ struct Wrapped {
constructors: crate::FastHashSet<help::WrappedConstructor>,
struct_matrix_access: crate::FastHashSet<help::WrappedStructMatrixAccess>,
mat_cx2s: crate::FastHashSet<help::WrappedMatCx2>,
math: crate::FastHashSet<help::WrappedMath>,
}
impl Wrapped {
@ -265,6 +266,7 @@ impl Wrapped {
self.constructors.clear();
self.struct_matrix_access.clear();
self.mat_cx2s.clear();
self.math.clear();
}
}

92
naga/src/back/hlsl/writer.rs
View File

@ -19,6 +19,8 @@ const SPECIAL_OTHER: &str = "other";
pub(crate) const MODF_FUNCTION: &str = "naga_modf";
pub(crate) const FREXP_FUNCTION: &str = "naga_frexp";
pub(crate) const EXTRACT_BITS_FUNCTION: &str = "naga_extractBits";
pub(crate) const INSERT_BITS_FUNCTION: &str = "naga_insertBits";
struct EpStructMember {
name: String,
@ -125,14 +127,7 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
self.need_bake_expressions.insert(fun_handle);
}
if let Expression::Math {
fun,
arg,
arg1,
arg2,
arg3,
} = *expr
{
if let Expression::Math { fun, arg, .. } = *expr {
match fun {
crate::MathFunction::Asinh
| crate::MathFunction::Acosh
@ -149,17 +144,6 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
| crate::MathFunction::Pack4x8unorm => {
self.need_bake_expressions.insert(arg);
}
crate::MathFunction::ExtractBits => {
self.need_bake_expressions.insert(arg);
self.need_bake_expressions.insert(arg1.unwrap());
self.need_bake_expressions.insert(arg2.unwrap());
}
crate::MathFunction::InsertBits => {
self.need_bake_expressions.insert(arg);
self.need_bake_expressions.insert(arg1.unwrap());
self.need_bake_expressions.insert(arg2.unwrap());
self.need_bake_expressions.insert(arg3.unwrap());
}
crate::MathFunction::CountLeadingZeros => {
let inner = info[fun_handle].ty.inner_with(&module.types);
if let Some(crate::ScalarKind::Sint) = inner.scalar_kind() {
@ -2620,8 +2604,6 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
enum Function {
Asincosh { is_sin: bool },
Atanh,
ExtractBits,
InsertBits,
Pack2x16float,
Pack2x16snorm,
Pack2x16unorm,
@ -2705,8 +2687,8 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
Mf::ReverseBits => Function::MissingIntOverload("reversebits"),
Mf::FindLsb => Function::MissingIntReturnType("firstbitlow"),
Mf::FindMsb => Function::MissingIntReturnType("firstbithigh"),
Mf::ExtractBits => Function::ExtractBits,
Mf::InsertBits => Function::InsertBits,
Mf::ExtractBits => Function::Regular(EXTRACT_BITS_FUNCTION),
Mf::InsertBits => Function::Regular(INSERT_BITS_FUNCTION),
// Data Packing
Mf::Pack2x16float => Function::Pack2x16float,
Mf::Pack2x16snorm => Function::Pack2x16snorm,
@ -2742,70 +2724,6 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
self.write_expr(module, arg, func_ctx)?;
write!(self.out, "))")?;
}
Function::ExtractBits => {
// e: T,
// offset: u32,
// count: u32
// T is u32 or i32 or vecN<u32> or vecN<i32>
if let (Some(offset), Some(count)) = (arg1, arg2) {
let scalar_width: u8 = 32;
// Works for signed and unsigned
// (count == 0 ? 0 : (e << (32 - count - offset)) >> (32 - count))
write!(self.out, "(")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, " == 0 ? 0 : (")?;
self.write_expr(module, arg, func_ctx)?;
write!(self.out, " << ({scalar_width} - ")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, " - ")?;
self.write_expr(module, offset, func_ctx)?;
write!(self.out, ")) >> ({scalar_width} - ")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, "))")?;
}
}
Function::InsertBits => {
// e: T,
// newbits: T,
// offset: u32,
// count: u32
// returns T
// T is i32, u32, vecN<i32>, or vecN<u32>
if let (Some(newbits), Some(offset), Some(count)) = (arg1, arg2, arg3) {
let scalar_width: u8 = 32;
let scalar_max: u32 = 0xFFFFFFFF;
// mask = ((0xFFFFFFFFu >> (32 - count)) << offset)
// (count == 0 ? e : ((e & ~mask) | ((newbits << offset) & mask)))
write!(self.out, "(")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, " == 0 ? ")?;
self.write_expr(module, arg, func_ctx)?;
write!(self.out, " : ")?;
write!(self.out, "(")?;
self.write_expr(module, arg, func_ctx)?;
write!(self.out, " & ~")?;
// mask
write!(self.out, "(({scalar_max}u >> ({scalar_width}u - ")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, ")) << ")?;
self.write_expr(module, offset, func_ctx)?;
write!(self.out, ")")?;
// end mask
write!(self.out, ") | ((")?;
self.write_expr(module, newbits, func_ctx)?;
write!(self.out, " << ")?;
self.write_expr(module, offset, func_ctx)?;
write!(self.out, ") & ")?;
// // mask
write!(self.out, "(({scalar_max}u >> ({scalar_width}u - ")?;
self.write_expr(module, count, func_ctx)?;
write!(self.out, ")) << ")?;
self.write_expr(module, offset, func_ctx)?;
write!(self.out, ")")?;
// // end mask
write!(self.out, "))")?;
}
}
Function::Pack2x16float => {
write!(self.out, "(f32tof16(")?;
self.write_expr(module, arg, func_ctx)?;

67
naga/src/back/msl/writer.rs
View File

@ -1794,8 +1794,8 @@ impl<W: Write> Writer<W> {
Mf::CountLeadingZeros => "clz",
Mf::CountOneBits => "popcount",
Mf::ReverseBits => "reverse_bits",
Mf::ExtractBits => "extract_bits",
Mf::InsertBits => "insert_bits",
Mf::ExtractBits => "",
Mf::InsertBits => "",
Mf::FindLsb => "",
Mf::FindMsb => "",
// data packing
@ -1891,6 +1891,52 @@ impl<W: Write> Writer<W> {
write!(self.out, "as_type<uint>(half2(")?;
self.put_expression(arg, context, false)?;
write!(self.out, "))")?;
} else if fun == Mf::ExtractBits {
// The behavior of ExtractBits is undefined when offset + count > bit_width. We need
// to first sanitize the offset and count first. If we don't do this, Apple chips
// will return out-of-spec values if the extracted range is not within the bit width.
//
// This encodes the exact formula specified by the wgsl spec, without temporary values:
// https://gpuweb.github.io/gpuweb/wgsl/#extractBits-unsigned-builtin
//
// w = sizeof(x) * 8
// o = min(offset, w)
// tmp = w - o
// c = min(count, tmp)
//
// bitfieldExtract(x, o, c)
//
// extract_bits(e, min(offset, w), min(count, w - min(offset, w))))
let scalar_bits = context.resolve_type(arg).scalar_width().unwrap();
write!(self.out, "{NAMESPACE}::extract_bits(")?;
self.put_expression(arg, context, true)?;
write!(self.out, ", {NAMESPACE}::min(")?;
self.put_expression(arg1.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u), {NAMESPACE}::min(")?;
self.put_expression(arg2.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u - {NAMESPACE}::min(")?;
self.put_expression(arg1.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u)))")?;
} else if fun == Mf::InsertBits {
// The behavior of InsertBits has the same issue as ExtractBits.
//
// insertBits(e, newBits, min(offset, w), min(count, w - min(offset, w))))
let scalar_bits = context.resolve_type(arg).scalar_width().unwrap();
write!(self.out, "{NAMESPACE}::insert_bits(")?;
self.put_expression(arg, context, true)?;
write!(self.out, ", ")?;
self.put_expression(arg1.unwrap(), context, true)?;
write!(self.out, ", {NAMESPACE}::min(")?;
self.put_expression(arg2.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u), {NAMESPACE}::min(")?;
self.put_expression(arg3.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u - {NAMESPACE}::min(")?;
self.put_expression(arg2.unwrap(), context, true)?;
write!(self.out, ", {scalar_bits}u)))")?;
} else if fun == Mf::Radians {
write!(self.out, "((")?;
self.put_expression(arg, context, false)?;
@ -2489,7 +2535,14 @@ impl<W: Write> Writer<W> {
}
}
if let Expression::Math { fun, arg, arg1, .. } = *expr {
if let Expression::Math {
fun,
arg,
arg1,
arg2,
..
} = *expr
{
match fun {
crate::MathFunction::Dot => {
// WGSL's `dot` function works on any `vecN` type, but Metal's only
@ -2514,6 +2567,14 @@ impl<W: Write> Writer<W> {
crate::MathFunction::FindMsb => {
self.need_bake_expressions.insert(arg);
}
crate::MathFunction::ExtractBits => {
// Only argument 1 is re-used.
self.need_bake_expressions.insert(arg1.unwrap());
}
crate::MathFunction::InsertBits => {
// Only argument 2 is re-used.
self.need_bake_expressions.insert(arg2.unwrap());
}
crate::MathFunction::Sign => {
// WGSL's `sign` function works also on signed ints, but Metal's only
// works on floating points, so we emit inline code for integer `sign`

129
naga/src/back/spv/block.rs
View File

@ -1050,24 +1050,131 @@ impl<'w> BlockContext<'w> {
Some(crate::ScalarKind::Sint) => spirv::Op::BitFieldSExtract,
other => unimplemented!("Unexpected sign({:?})", other),
};
// The behavior of ExtractBits is undefined when offset + count > bit_width. We need
// to first sanitize the offset and count first. If we don't do this, AMD and Intel
// will return out-of-spec values if the extracted range is not within the bit width.
//
// This encodes the exact formula specified by the wgsl spec:
// https://gpuweb.github.io/gpuweb/wgsl/#extractBits-unsigned-builtin
//
// w = sizeof(x) * 8
// o = min(offset, w)
// tmp = w - o
// c = min(count, tmp)
//
// bitfieldExtract(x, o, c)
let bit_width = arg_ty.scalar_width().unwrap();
let width_constant = self
.writer
.get_constant_scalar(crate::Literal::U32(bit_width as u32));
let u32_type = self.get_type_id(LookupType::Local(LocalType::Value {
vector_size: None,
scalar: crate::Scalar {
kind: crate::ScalarKind::Uint,
width: 4,
},
pointer_space: None,
}));
// o = min(offset, w)
let offset_id = self.gen_id();
block.body.push(Instruction::ext_inst(
self.writer.gl450_ext_inst_id,
spirv::GLOp::UMin,
u32_type,
offset_id,
&[arg1_id, width_constant],
));
// tmp = w - o
let max_count_id = self.gen_id();
block.body.push(Instruction::binary(
spirv::Op::ISub,
u32_type,
max_count_id,
width_constant,
offset_id,
));
// c = min(count, tmp)
let count_id = self.gen_id();
block.body.push(Instruction::ext_inst(
self.writer.gl450_ext_inst_id,
spirv::GLOp::UMin,
u32_type,
count_id,
&[arg2_id, max_count_id],
));
MathOp::Custom(Instruction::ternary(
op,
result_type_id,
id,
arg0_id,
arg1_id,
arg2_id,
offset_id,
count_id,
))
}
Mf::InsertBits => {
// The behavior of InsertBits has the same undefined behavior as ExtractBits.
let bit_width = arg_ty.scalar_width().unwrap();
let width_constant = self
.writer
.get_constant_scalar(crate::Literal::U32(bit_width as u32));
let u32_type = self.get_type_id(LookupType::Local(LocalType::Value {
vector_size: None,
scalar: crate::Scalar {
kind: crate::ScalarKind::Uint,
width: 4,
},
pointer_space: None,
}));
// o = min(offset, w)
let offset_id = self.gen_id();
block.body.push(Instruction::ext_inst(
self.writer.gl450_ext_inst_id,
spirv::GLOp::UMin,
u32_type,
offset_id,
&[arg2_id, width_constant],
));
// tmp = w - o
let max_count_id = self.gen_id();
block.body.push(Instruction::binary(
spirv::Op::ISub,
u32_type,
max_count_id,
width_constant,
offset_id,
));
// c = min(count, tmp)
let count_id = self.gen_id();
block.body.push(Instruction::ext_inst(
self.writer.gl450_ext_inst_id,
spirv::GLOp::UMin,
u32_type,
count_id,
&[arg3_id, max_count_id],
));
MathOp::Custom(Instruction::quaternary(
spirv::Op::BitFieldInsert,
result_type_id,
id,
arg0_id,
arg1_id,
offset_id,
count_id,
))
}
Mf::InsertBits => MathOp::Custom(Instruction::quaternary(
spirv::Op::BitFieldInsert,
result_type_id,
id,
arg0_id,
arg1_id,
arg2_id,
arg3_id,
)),
Mf::FindLsb => MathOp::Ext(spirv::GLOp::FindILsb),
Mf::FindMsb => MathOp::Ext(match arg_scalar_kind {
Some(crate::ScalarKind::Uint) => spirv::GLOp::FindUMsb,

2
naga/src/lib.rs
View File

@ -491,7 +491,7 @@ pub enum ScalarKind {
}
/// Characteristics of a scalar type.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serialize", derive(Serialize))]
#[cfg_attr(feature = "deserialize", derive(Deserialize))]
#[cfg_attr(feature = "arbitrary", derive(Arbitrary))]

32
naga/tests/out/glsl/bits.main.Compute.glsl
View File

@ -39,44 +39,44 @@ void main() {
f2_ = unpackHalf2x16(_e46);
int _e48 = i;
int _e49 = i;
i = bitfieldInsert(_e48, _e49, int(5u), int(10u));
i = bitfieldInsert(_e48, _e49, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec2 _e53 = i2_;
ivec2 _e54 = i2_;
i2_ = bitfieldInsert(_e53, _e54, int(5u), int(10u));
i2_ = bitfieldInsert(_e53, _e54, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec3 _e58 = i3_;
ivec3 _e59 = i3_;
i3_ = bitfieldInsert(_e58, _e59, int(5u), int(10u));
i3_ = bitfieldInsert(_e58, _e59, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec4 _e63 = i4_;
ivec4 _e64 = i4_;
i4_ = bitfieldInsert(_e63, _e64, int(5u), int(10u));
i4_ = bitfieldInsert(_e63, _e64, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uint _e68 = u;
uint _e69 = u;
u = bitfieldInsert(_e68, _e69, int(5u), int(10u));
u = bitfieldInsert(_e68, _e69, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec2 _e73 = u2_;
uvec2 _e74 = u2_;
u2_ = bitfieldInsert(_e73, _e74, int(5u), int(10u));
u2_ = bitfieldInsert(_e73, _e74, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec3 _e78 = u3_;
uvec3 _e79 = u3_;
u3_ = bitfieldInsert(_e78, _e79, int(5u), int(10u));
u3_ = bitfieldInsert(_e78, _e79, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec4 _e83 = u4_;
uvec4 _e84 = u4_;
u4_ = bitfieldInsert(_e83, _e84, int(5u), int(10u));
u4_ = bitfieldInsert(_e83, _e84, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
int _e88 = i;
i = bitfieldExtract(_e88, int(5u), int(10u));
i = bitfieldExtract(_e88, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec2 _e92 = i2_;
i2_ = bitfieldExtract(_e92, int(5u), int(10u));
i2_ = bitfieldExtract(_e92, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec3 _e96 = i3_;
i3_ = bitfieldExtract(_e96, int(5u), int(10u));
i3_ = bitfieldExtract(_e96, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
ivec4 _e100 = i4_;
i4_ = bitfieldExtract(_e100, int(5u), int(10u));
i4_ = bitfieldExtract(_e100, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uint _e104 = u;
u = bitfieldExtract(_e104, int(5u), int(10u));
u = bitfieldExtract(_e104, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec2 _e108 = u2_;
u2_ = bitfieldExtract(_e108, int(5u), int(10u));
u2_ = bitfieldExtract(_e108, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec3 _e112 = u3_;
u3_ = bitfieldExtract(_e112, int(5u), int(10u));
u3_ = bitfieldExtract(_e112, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
uvec4 _e116 = u4_;
u4_ = bitfieldExtract(_e116, int(5u), int(10u));
u4_ = bitfieldExtract(_e116, int(min(5u, 32u)), int(min(10u, 32u - min(5u, 32u))));
int _e120 = i;
i = findLSB(_e120);
uvec2 _e122 = u2_;

208
naga/tests/out/hlsl/bits.hlsl
View File

@ -1,3 +1,179 @@
int naga_insertBits(
int e,
int newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
int2 naga_insertBits(
int2 e,
int2 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
int3 naga_insertBits(
int3 e,
int3 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
int4 naga_insertBits(
int4 e,
int4 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
uint naga_insertBits(
uint e,
uint newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
uint2 naga_insertBits(
uint2 e,
uint2 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
uint3 naga_insertBits(
uint3 e,
uint3 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
uint4 naga_insertBits(
uint4 e,
uint4 newbits,
uint offset,
uint count
) {
uint w = 32u;
uint o = min(offset, w);
uint c = min(count, w - o);
uint mask = ((4294967295u >> (32u - c)) << o);
return (c == 0 ? e : ((e & ~mask) | ((newbits << o) & mask)));
}
int naga_extractBits(
int e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
int2 naga_extractBits(
int2 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
int3 naga_extractBits(
int3 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
int4 naga_extractBits(
int4 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
uint naga_extractBits(
uint e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
uint2 naga_extractBits(
uint2 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
uint3 naga_extractBits(
uint3 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
uint4 naga_extractBits(
uint4 e,
uint offset,
uint count
) {
uint w = 32;
uint o = min(offset, w);
uint c = min(count, w - o);
return (c == 0 ? 0 : (e << (w - c - o)) >> (w - c));
}
[numthreads(1, 1, 1)]
void main()
{
@ -34,44 +210,44 @@ void main()
f2_ = float2(f16tof32(_expr46), f16tof32((_expr46) >> 16));
int _expr48 = i;
int _expr49 = i;
i = (10u == 0 ? _expr48 : (_expr48 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr49 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
i = naga_insertBits(_expr48, _expr49, 5u, 10u);
int2 _expr53 = i2_;
int2 _expr54 = i2_;
i2_ = (10u == 0 ? _expr53 : (_expr53 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr54 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
i2_ = naga_insertBits(_expr53, _expr54, 5u, 10u);
int3 _expr58 = i3_;
int3 _expr59 = i3_;
i3_ = (10u == 0 ? _expr58 : (_expr58 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr59 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
i3_ = naga_insertBits(_expr58, _expr59, 5u, 10u);
int4 _expr63 = i4_;
int4 _expr64 = i4_;
i4_ = (10u == 0 ? _expr63 : (_expr63 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr64 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
i4_ = naga_insertBits(_expr63, _expr64, 5u, 10u);
uint _expr68 = u;
uint _expr69 = u;
u = (10u == 0 ? _expr68 : (_expr68 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr69 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
u = naga_insertBits(_expr68, _expr69, 5u, 10u);
uint2 _expr73 = u2_;
uint2 _expr74 = u2_;
u2_ = (10u == 0 ? _expr73 : (_expr73 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr74 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
u2_ = naga_insertBits(_expr73, _expr74, 5u, 10u);
uint3 _expr78 = u3_;
uint3 _expr79 = u3_;
u3_ = (10u == 0 ? _expr78 : (_expr78 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr79 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
u3_ = naga_insertBits(_expr78, _expr79, 5u, 10u);
uint4 _expr83 = u4_;
uint4 _expr84 = u4_;
u4_ = (10u == 0 ? _expr83 : (_expr83 & ~((4294967295u >> (32u - 10u)) << 5u)) | ((_expr84 << 5u) & ((4294967295u >> (32u - 10u)) << 5u)));
u4_ = naga_insertBits(_expr83, _expr84, 5u, 10u);
int _expr88 = i;
i = (10u == 0 ? 0 : (_expr88 << (32 - 10u - 5u)) >> (32 - 10u));
i = naga_extractBits(_expr88, 5u, 10u);
int2 _expr92 = i2_;
i2_ = (10u == 0 ? 0 : (_expr92 << (32 - 10u - 5u)) >> (32 - 10u));
i2_ = naga_extractBits(_expr92, 5u, 10u);
int3 _expr96 = i3_;
i3_ = (10u == 0 ? 0 : (_expr96 << (32 - 10u - 5u)) >> (32 - 10u));
i3_ = naga_extractBits(_expr96, 5u, 10u);
int4 _expr100 = i4_;
i4_ = (10u == 0 ? 0 : (_expr100 << (32 - 10u - 5u)) >> (32 - 10u));
i4_ = naga_extractBits(_expr100, 5u, 10u);
uint _expr104 = u;
u = (10u == 0 ? 0 : (_expr104 << (32 - 10u - 5u)) >> (32 - 10u));
u = naga_extractBits(_expr104, 5u, 10u);
uint2 _expr108 = u2_;
u2_ = (10u == 0 ? 0 : (_expr108 << (32 - 10u - 5u)) >> (32 - 10u));
u2_ = naga_extractBits(_expr108, 5u, 10u);
uint3 _expr112 = u3_;
u3_ = (10u == 0 ? 0 : (_expr112 << (32 - 10u - 5u)) >> (32 - 10u));
u3_ = naga_extractBits(_expr112, 5u, 10u);
uint4 _expr116 = u4_;
u4_ = (10u == 0 ? 0 : (_expr116 << (32 - 10u - 5u)) >> (32 - 10u));
u4_ = naga_extractBits(_expr116, 5u, 10u);
int _expr120 = i;
i = asint(firstbitlow(_expr120));
uint2 _expr122 = u2_;

32
naga/tests/out/msl/bits.msl
View File

@ -39,44 +39,44 @@ kernel void main_(
f2_ = float2(as_type<half2>(_e46));
int _e48 = i;
int _e49 = i;
i = metal::insert_bits(_e48, _e49, 5u, 10u);
i = metal::insert_bits(_e48, _e49, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int2 _e53 = i2_;
metal::int2 _e54 = i2_;
i2_ = metal::insert_bits(_e53, _e54, 5u, 10u);
i2_ = metal::insert_bits(_e53, _e54, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int3 _e58 = i3_;
metal::int3 _e59 = i3_;
i3_ = metal::insert_bits(_e58, _e59, 5u, 10u);
i3_ = metal::insert_bits(_e58, _e59, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int4 _e63 = i4_;
metal::int4 _e64 = i4_;
i4_ = metal::insert_bits(_e63, _e64, 5u, 10u);
i4_ = metal::insert_bits(_e63, _e64, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
uint _e68 = u;
uint _e69 = u;
u = metal::insert_bits(_e68, _e69, 5u, 10u);
u = metal::insert_bits(_e68, _e69, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint2 _e73 = u2_;
metal::uint2 _e74 = u2_;
u2_ = metal::insert_bits(_e73, _e74, 5u, 10u);
u2_ = metal::insert_bits(_e73, _e74, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint3 _e78 = u3_;
metal::uint3 _e79 = u3_;
u3_ = metal::insert_bits(_e78, _e79, 5u, 10u);
u3_ = metal::insert_bits(_e78, _e79, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint4 _e83 = u4_;
metal::uint4 _e84 = u4_;
u4_ = metal::insert_bits(_e83, _e84, 5u, 10u);
u4_ = metal::insert_bits(_e83, _e84, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
int _e88 = i;
i = metal::extract_bits(_e88, 5u, 10u);
i = metal::extract_bits(_e88, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int2 _e92 = i2_;
i2_ = metal::extract_bits(_e92, 5u, 10u);
i2_ = metal::extract_bits(_e92, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int3 _e96 = i3_;
i3_ = metal::extract_bits(_e96, 5u, 10u);
i3_ = metal::extract_bits(_e96, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::int4 _e100 = i4_;
i4_ = metal::extract_bits(_e100, 5u, 10u);
i4_ = metal::extract_bits(_e100, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
uint _e104 = u;
u = metal::extract_bits(_e104, 5u, 10u);
u = metal::extract_bits(_e104, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint2 _e108 = u2_;
u2_ = metal::extract_bits(_e108, 5u, 10u);
u2_ = metal::extract_bits(_e108, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint3 _e112 = u3_;
u3_ = metal::extract_bits(_e112, 5u, 10u);
u3_ = metal::extract_bits(_e112, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
metal::uint4 _e116 = u4_;
u4_ = metal::extract_bits(_e116, 5u, 10u);
u4_ = metal::extract_bits(_e116, metal::min(5u, 32u), metal::min(10u, 32u - metal::min(5u, 32u)));
int _e120 = i;
i = (((metal::ctz(_e120) + 1) % 33) - 1);
metal::uint2 _e122 = u2_;

285
naga/tests/out/spv/bits.spvasm
View File

@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.1
; Generator: rspirv
; Bound: 155
; Bound: 204
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
@ -43,6 +43,7 @@ OpExecutionMode %15 LocalSize 1 1 1
%45 = OpTypePointer Function %10
%47 = OpTypePointer Function %11
%49 = OpTypePointer Function %13
%74 = OpConstant %7 32
%15 = OpFunction %2 None %16
%14 = OpLabel
%48 = OpVariable %49 Function %27
@ -89,125 +90,173 @@ OpStore %46 %68
OpStore %46 %70
%71 = OpLoad %3 %30
%72 = OpLoad %3 %30
%73 = OpBitFieldInsert %3 %71 %72 %28 %29
%75 = OpExtInst %7 %1 UMin %28 %74
%76 = OpISub %7 %74 %75
%77 = OpExtInst %7 %1 UMin %29 %76
%73 = OpBitFieldInsert %3 %71 %72 %75 %77
OpStore %30 %73
%74 = OpLoad %4 %32
%75 = OpLoad %4 %32
%76 = OpBitFieldInsert %4 %74 %75 %28 %29
OpStore %32 %76
%77 = OpLoad %5 %34
%78 = OpLoad %5 %34
%79 = OpBitFieldInsert %5 %77 %78 %28 %29
OpStore %34 %79
%80 = OpLoad %6 %36
%81 = OpLoad %6 %36
%82 = OpBitFieldInsert %6 %80 %81 %28 %29
OpStore %36 %82
%83 = OpLoad %7 %38
%84 = OpLoad %7 %38
%85 = OpBitFieldInsert %7 %83 %84 %28 %29
OpStore %38 %85
%86 = OpLoad %8 %40
%87 = OpLoad %8 %40
%88 = OpBitFieldInsert %8 %86 %87 %28 %29
OpStore %40 %88
%89 = OpLoad %9 %42
%90 = OpLoad %9 %42
%91 = OpBitFieldInsert %9 %89 %90 %28 %29
OpStore %42 %91
%92 = OpLoad %10 %44
%93 = OpLoad %10 %44
%94 = OpBitFieldInsert %10 %92 %93 %28 %29
OpStore %44 %94
%95 = OpLoad %3 %30
%96 = OpBitFieldSExtract %3 %95 %28 %29
OpStore %30 %96
%97 = OpLoad %4 %32
%98 = OpBitFieldSExtract %4 %97 %28 %29
OpStore %32 %98
%99 = OpLoad %5 %34
%100 = OpBitFieldSExtract %5 %99 %28 %29
OpStore %34 %100
%101 = OpLoad %6 %36
%102 = OpBitFieldSExtract %6 %101 %28 %29
OpStore %36 %102
%103 = OpLoad %7 %38
%104 = OpBitFieldUExtract %7 %103 %28 %29
OpStore %38 %104
%105 = OpLoad %8 %40
%106 = OpBitFieldUExtract %8 %105 %28 %29
OpStore %40 %106
%107 = OpLoad %9 %42
%108 = OpBitFieldUExtract %9 %107 %28 %29
OpStore %42 %108
%109 = OpLoad %10 %44
%110 = OpBitFieldUExtract %10 %109 %28 %29
OpStore %44 %110
%111 = OpLoad %3 %30
%112 = OpExtInst %3 %1 FindILsb %111
OpStore %30 %112
%113 = OpLoad %8 %40
%114 = OpExtInst %8 %1 FindILsb %113
OpStore %40 %114
%115 = OpLoad %5 %34
%116 = OpExtInst %5 %1 FindSMsb %115
OpStore %34 %116
%117 = OpLoad %9 %42
%118 = OpExtInst %9 %1 FindUMsb %117
OpStore %42 %118
%119 = OpLoad %3 %30
%120 = OpExtInst %3 %1 FindSMsb %119
OpStore %30 %120
%121 = OpLoad %7 %38
%122 = OpExtInst %7 %1 FindUMsb %121
OpStore %38 %122
%123 = OpLoad %3 %30
%124 = OpBitCount %3 %123
OpStore %30 %124
%78 = OpLoad %4 %32
%79 = OpLoad %4 %32
%81 = OpExtInst %7 %1 UMin %28 %74
%82 = OpISub %7 %74 %81
%83 = OpExtInst %7 %1 UMin %29 %82
%80 = OpBitFieldInsert %4 %78 %79 %81 %83
OpStore %32 %80
%84 = OpLoad %5 %34
%85 = OpLoad %5 %34
%87 = OpExtInst %7 %1 UMin %28 %74
%88 = OpISub %7 %74 %87
%89 = OpExtInst %7 %1 UMin %29 %88
%86 = OpBitFieldInsert %5 %84 %85 %87 %89
OpStore %34 %86
%90 = OpLoad %6 %36
%91 = OpLoad %6 %36
%93 = OpExtInst %7 %1 UMin %28 %74
%94 = OpISub %7 %74 %93
%95 = OpExtInst %7 %1 UMin %29 %94
%92 = OpBitFieldInsert %6 %90 %91 %93 %95
OpStore %36 %92
%96 = OpLoad %7 %38
%97 = OpLoad %7 %38
%99 = OpExtInst %7 %1 UMin %28 %74
%100 = OpISub %7 %74 %99
%101 = OpExtInst %7 %1 UMin %29 %100
%98 = OpBitFieldInsert %7 %96 %97 %99 %101
OpStore %38 %98
%102 = OpLoad %8 %40
%103 = OpLoad %8 %40
%105 = OpExtInst %7 %1 UMin %28 %74
%106 = OpISub %7 %74 %105
%107 = OpExtInst %7 %1 UMin %29 %106
%104 = OpBitFieldInsert %8 %102 %103 %105 %107
OpStore %40 %104
%108 = OpLoad %9 %42
%109 = OpLoad %9 %42
%111 = OpExtInst %7 %1 UMin %28 %74
%112 = OpISub %7 %74 %111
%113 = OpExtInst %7 %1 UMin %29 %112
%110 = OpBitFieldInsert %9 %108 %109 %111 %113
OpStore %42 %110
%114 = OpLoad %10 %44
%115 = OpLoad %10 %44
%117 = OpExtInst %7 %1 UMin %28 %74
%118 = OpISub %7 %74 %117
%119 = OpExtInst %7 %1 UMin %29 %118
%116 = OpBitFieldInsert %10 %114 %115 %117 %119
OpStore %44 %116
%120 = OpLoad %3 %30
%122 = OpExtInst %7 %1 UMin %28 %74
%123 = OpISub %7 %74 %122
%124 = OpExtInst %7 %1 UMin %29 %123
%121 = OpBitFieldSExtract %3 %120 %122 %124
OpStore %30 %121
%125 = OpLoad %4 %32
%126 = OpBitCount %4 %125
%127 = OpExtInst %7 %1 UMin %28 %74
%128 = OpISub %7 %74 %127
%129 = OpExtInst %7 %1 UMin %29 %128
%126 = OpBitFieldSExtract %4 %125 %127 %129
OpStore %32 %126
%127 = OpLoad %5 %34
%128 = OpBitCount %5 %127
OpStore %34 %128
%129 = OpLoad %6 %36
%130 = OpBitCount %6 %129
OpStore %36 %130
%131 = OpLoad %7 %38
%132 = OpBitCount %7 %131
OpStore %38 %132
%133 = OpLoad %8 %40
%134 = OpBitCount %8 %133
OpStore %40 %134
%135 = OpLoad %9 %42
%136 = OpBitCount %9 %135
OpStore %42 %136
%137 = OpLoad %10 %44
%138 = OpBitCount %10 %137
OpStore %44 %138
%139 = OpLoad %3 %30
%140 = OpBitReverse %3 %139
OpStore %30 %140
%141 = OpLoad %4 %32
%142 = OpBitReverse %4 %141
OpStore %32 %142
%143 = OpLoad %5 %34
%144 = OpBitReverse %5 %143
OpStore %34 %144
%145 = OpLoad %6 %36
%146 = OpBitReverse %6 %145
OpStore %36 %146
%147 = OpLoad %7 %38
%148 = OpBitReverse %7 %147
OpStore %38 %148
%149 = OpLoad %8 %40
%150 = OpBitReverse %8 %149
OpStore %40 %150
%151 = OpLoad %9 %42
%152 = OpBitReverse %9 %151
OpStore %42 %152
%153 = OpLoad %10 %44
%154 = OpBitReverse %10 %153
OpStore %44 %154
%130 = OpLoad %5 %34
%132 = OpExtInst %7 %1 UMin %28 %74
%133 = OpISub %7 %74 %132
%134 = OpExtInst %7 %1 UMin %29 %133
%131 = OpBitFieldSExtract %5 %130 %132 %134
OpStore %34 %131
%135 = OpLoad %6 %36
%137 = OpExtInst %7 %1 UMin %28 %74
%138 = OpISub %7 %74 %137
%139 = OpExtInst %7 %1 UMin %29 %138
%136 = OpBitFieldSExtract %6 %135 %137 %139
OpStore %36 %136
%140 = OpLoad %7 %38
%142 = OpExtInst %7 %1 UMin %28 %74
%143 = OpISub %7 %74 %142
%144 = OpExtInst %7 %1 UMin %29 %143
%141 = OpBitFieldUExtract %7 %140 %142 %144
OpStore %38 %141
%145 = OpLoad %8 %40
%147 = OpExtInst %7 %1 UMin %28 %74
%148 = OpISub %7 %74 %147
%149 = OpExtInst %7 %1 UMin %29 %148
%146 = OpBitFieldUExtract %8 %145 %147 %149
OpStore %40 %146
%150 = OpLoad %9 %42
%152 = OpExtInst %7 %1 UMin %28 %74
%153 = OpISub %7 %74 %152
%154 = OpExtInst %7 %1 UMin %29 %153
%151 = OpBitFieldUExtract %9 %150 %152 %154
OpStore %42 %151
%155 = OpLoad %10 %44
%157 = OpExtInst %7 %1 UMin %28 %74
%158 = OpISub %7 %74 %157
%159 = OpExtInst %7 %1 UMin %29 %158
%156 = OpBitFieldUExtract %10 %155 %157 %159
OpStore %44 %156
%160 = OpLoad %3 %30
%161 = OpExtInst %3 %1 FindILsb %160
OpStore %30 %161
%162 = OpLoad %8 %40
%163 = OpExtInst %8 %1 FindILsb %162
OpStore %40 %163
%164 = OpLoad %5 %34
%165 = OpExtInst %5 %1 FindSMsb %164
OpStore %34 %165
%166 = OpLoad %9 %42
%167 = OpExtInst %9 %1 FindUMsb %166
OpStore %42 %167
%168 = OpLoad %3 %30
%169 = OpExtInst %3 %1 FindSMsb %168
OpStore %30 %169
%170 = OpLoad %7 %38
%171 = OpExtInst %7 %1 FindUMsb %170
OpStore %38 %171
%172 = OpLoad %3 %30
%173 = OpBitCount %3 %172
OpStore %30 %173
%174 = OpLoad %4 %32
%175 = OpBitCount %4 %174
OpStore %32 %175
%176 = OpLoad %5 %34
%177 = OpBitCount %5 %176
OpStore %34 %177
%178 = OpLoad %6 %36
%179 = OpBitCount %6 %178
OpStore %36 %179
%180 = OpLoad %7 %38
%181 = OpBitCount %7 %180
OpStore %38 %181
%182 = OpLoad %8 %40
%183 = OpBitCount %8 %182
OpStore %40 %183
%184 = OpLoad %9 %42
%185 = OpBitCount %9 %184
OpStore %42 %185
%186 = OpLoad %10 %44
%187 = OpBitCount %10 %186
OpStore %44 %187
%188 = OpLoad %3 %30
%189 = OpBitReverse %3 %188
OpStore %30 %189
%190 = OpLoad %4 %32
%191 = OpBitReverse %4 %190
OpStore %32 %191
%192 = OpLoad %5 %34
%193 = OpBitReverse %5 %192
OpStore %34 %193
%194 = OpLoad %6 %36
%195 = OpBitReverse %6 %194
OpStore %36 %195
%196 = OpLoad %7 %38
%197 = OpBitReverse %7 %196
OpStore %38 %197
%198 = OpLoad %8 %40
%199 = OpBitReverse %8 %198
OpStore %40 %199
%200 = OpLoad %9 %42
%201 = OpBitReverse %9 %200
OpStore %42 %201
%202 = OpLoad %10 %44
%203 = OpBitReverse %10 %202
OpStore %44 %203
OpReturn
OpFunctionEnd