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Sema: update onePossibleValue for InternPool

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This commit is contained in:
Andrew Kelley 2023-05-05 20:50:01 -07:00
parent f7bd42785b
commit 73720b6975
1 changed files with 16 additions and 4 deletions
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20
src/type.zig
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@ -3909,15 +3909,27 @@ pub const Type = struct {
return null;
}
},
.ptr_type => @panic("TODO"),
.array_type => @panic("TODO"),
.ptr_type => return null,
.array_type => |array_type| {
if (array_type.len == 0)
return Value.initTag(.empty_array);
if (array_type.child.toType().onePossibleValue(mod) != null)
return Value.initTag(.the_only_possible_value);
return null;
},
.vector_type => |vector_type| {
if (vector_type.len == 0) return Value.initTag(.empty_array);
if (vector_type.child.toType().onePossibleValue(mod)) |v| return v;
return null;
},
.opt_type => @panic("TODO"),
.error_union_type => @panic("TODO"),
.opt_type => |child| {
if (child.toType().isNoReturn()) {
return Value.null;
} else {
return null;
}
},
.error_union_type => return null,
.simple_type => |t| switch (t) {
.f16,
.f32,