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[naga spv-out] Use HandleSet in ExpressionConstnessTracker.

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Change `naga::back::spv::ExpressionConstnessTracker::inner` from a
`BitSet` to a `HandleSet<Expression>`. Adjust uses.
This commit is contained in:
Jim Blandy
2024-06-22 23:11:53 -07:00
committed by Teodor Tanasoaia
parent 43f390e86f
commit 71a52bdba4
1 changed files with 6 additions and 6 deletions
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12
naga/src/back/spv/mod.rs
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@@ -537,32 +537,32 @@ struct FunctionArgument {
/// - OpConstantComposite
/// - OpConstantNull
struct ExpressionConstnessTracker {
inner: bit_set::BitSet,
inner: crate::arena::HandleSet<crate::Expression>,
}
impl ExpressionConstnessTracker {
fn from_arena(arena: &crate::Arena<crate::Expression>) -> Self {
let mut inner = bit_set::BitSet::new();
let mut inner = crate::arena::HandleSet::for_arena(arena);
for (handle, expr) in arena.iter() {
let insert = match *expr {
crate::Expression::Literal(_)
| crate::Expression::ZeroValue(_)
| crate::Expression::Constant(_) => true,
crate::Expression::Compose { ref components, .. } => {
components.iter().all(|h| inner.contains(h.index()))
components.iter().all(|&h| inner.contains(h))
}
crate::Expression::Splat { value, .. } => inner.contains(value.index()),
crate::Expression::Splat { value, .. } => inner.contains(value),
_ => false,
};
if insert {
inner.insert(handle.index());
inner.insert(handle);
}
}
Self { inner }
}
fn is_const(&self, value: Handle<crate::Expression>) -> bool {
self.inner.contains(value.index())
self.inner.contains(value)
}
}