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Chandler Carruth 14e8bffe24 Refactor ValueStore to use custom iterators and ranges (#7506 )

Replace the llvm::map_range based anonymous ranges returned by values()
and enumerate() with custom range and iterator types. This avoids
exposing complex template return types and improves encapsulation. But
most importantly, it is *much* cheaper to compile.

This change:
- Defines ValueStoreIterator, ValueStoreEnumerateIterator, and
ValueStoreRange templates in the Internal namespace.
- Exposes them via aliases in ValueStore: Iterator, ConstIterator,
Range, MutableRange, and EnumerateRange.
- Supports safe implicit conversion from Iterator to ConstIterator.
- Supports operator-> even when the value type is returned by value
(e.g., llvm::StringRef) by conditionally const-qualifying the pointer
type.
- Ensures C++20 comparison consistency with custom operator<=> and
operator== definitions.
- Restricts construction of these iterators and ranges to ValueStore
methods by using private constructors and friend declarations.

Assisted-by: Antigravity with Gemini

2026-07-15 17:06:52 +00:00

base

Refactor ValueStore to use custom iterators and ranges (#7506 )

2026-07-15 17:06:52 +00:00

benchmarking

Introduce subprocess executing compile benchmarks (#7456 )

2026-07-07 20:17:39 +00:00

check

Allow impl redecl in match_first after a definition (#7491 )

2026-07-15 14:12:37 +00:00

codegen

Error when passing multiple input files with --output (#6896 )