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Make Core.Float a class. Add missing builtins for float support. (#5932)

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Add missing builtins for float compound assignment, for building a
FloatType, and for converting a float literal to FloatType. Switch
`Core.Float` to being a class and add impls for the various
floating-point operators.

---------

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
This commit is contained in:
Richard Smith
2025-08-11 21:01:34 +00:00
committed by GitHub
co-authored by google-labs-jules[bot] Carbon Infra Bot
parent f616817b71
commit 694c00c7eb
66 changed files with 2158 additions and 583 deletions
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toolchain/check/import_ref.cpp
+16
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@@ -1828,6 +1828,19 @@ static auto TryResolveTypedInst(ImportRefResolver& resolver,
.index = inst.index});
}
static auto TryResolveTypedInst(ImportRefResolver& resolver,
SemIR::FloatType inst) -> ResolveResult {
CARBON_CHECK(inst.type_id == SemIR::TypeType::TypeId);
auto bit_width_id = GetLocalConstantInstId(resolver, inst.bit_width_id);
if (resolver.HasNewWork()) {
return ResolveResult::Retry();
}
return ResolveAsDeduplicated<SemIR::FloatType>(
resolver,
{.type_id = SemIR::TypeType::TypeId, .bit_width_id = bit_width_id});
}
// Make a declaration of a function. This is done as a separate step from
// importing the function declaration in order to resolve cycles.
static auto MakeFunctionDecl(ImportContext& context,
@@ -3031,6 +3044,9 @@ static auto TryResolveInstCanonical(ImportRefResolver& resolver,
case CARBON_KIND(SemIR::FieldDecl inst): {
return TryResolveTypedInst(resolver, inst, inst_id);
}
case CARBON_KIND(SemIR::FloatType inst): {
return TryResolveTypedInst(resolver, inst);
}
case CARBON_KIND(SemIR::FunctionDecl inst): {
return TryResolveTypedInst(resolver, inst, const_id);
}