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Add getEnumTag and injectEnumTag builtins

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This commit is contained in:
Alejandro Alonso
2023-12-08 10:17:22 -08:00
parent d270dade42
commit 49b0a23561
12 changed files with 169 additions and 0 deletions
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28
lib/SILGen/SILGenBuiltin.cpp
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@@ -1805,6 +1805,34 @@ static ManagedValue emitBuiltinBuildMainActorExecutorRef(
BuiltinValueKind::BuildMainActorExecutorRef);
}
static ManagedValue emitBuiltinGetEnumTag(SILGenFunction &SGF, SILLocation loc,
SubstitutionMap subs,
ArrayRef<ManagedValue> args,
SGFContext C) {
auto &ctx = SGF.getASTContext();
auto bi = SGF.B.createBuiltin(
loc, ctx.getIdentifier(getBuiltinName(BuiltinValueKind::GetEnumTag)),
SILType::getBuiltinIntegerType(32, ctx), subs,
{ args[0].getValue() });
return ManagedValue::forObjectRValueWithoutOwnership(bi);
}
static ManagedValue emitBuiltinInjectEnumTag(SILGenFunction &SGF, SILLocation loc,
SubstitutionMap subs,
ArrayRef<ManagedValue> args,
SGFContext C) {
auto &ctx = SGF.getASTContext();
auto bi = SGF.B.createBuiltin(
loc, ctx.getIdentifier(getBuiltinName(BuiltinValueKind::InjectEnumTag)),
SILType::getEmptyTupleType(ctx), subs,
{ args[0].getValue(), args[1].getValue() });
return ManagedValue::forObjectRValueWithoutOwnership(bi);
}
llvm::Optional<SpecializedEmitter>
SpecializedEmitter::forDecl(SILGenModule &SGM, SILDeclRef function) {
// Only consider standalone declarations in the Builtin module.