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[wgsl-in] Use FastIndexMap for temporary named expressions table.

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This commit is contained in:
Jim Blandy
2023-09-20 15:36:03 -07:00
parent ae0423835d
commit 6a254d904d
1 changed files with 3 additions and 4 deletions
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7
src/front/wgsl/lower/mod.rs
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@@ -6,8 +6,7 @@ use crate::front::wgsl::parse::number::Number;
use crate::front::wgsl::parse::{ast, conv};
use crate::front::{Emitter, Typifier};
use crate::proc::{ensure_block_returns, Alignment, Layouter, ResolveContext, TypeResolution};
use crate::{Arena, FastHashMap, Handle, Span};
use indexmap::IndexMap;
use crate::{Arena, FastHashMap, FastIndexMap, Handle, Span};
mod construction;
@@ -101,7 +100,7 @@ pub struct StatementContext<'source, 'temp, 'out> {
naga_expressions: &'out mut Arena<crate::Expression>,
/// Stores the names of expressions that are assigned in `let` statement
/// Also stores the spans of the names, for use in errors.
named_expressions: &'out mut IndexMap<Handle<crate::Expression>, (String, Span)>,
named_expressions: &'out mut FastIndexMap<Handle<crate::Expression>, (String, Span)>,
arguments: &'out [crate::FunctionArgument],
module: &'out mut crate::Module,
}
@@ -915,7 +914,7 @@ impl<'source, 'temp> Lowerer<'source, 'temp> {
let mut local_table = FastHashMap::default();
let mut local_variables = Arena::new();
let mut expressions = Arena::new();
let mut named_expressions = IndexMap::default();
let mut named_expressions = FastIndexMap::default();
let arguments = f
.arguments