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rustc: Add a "fat tydesc" LLVM type to trans

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This commit is contained in:
Patrick Walton 2011-05-02 12:05:21 -07:00
parent f969b227c1
commit 870435caf5
1 changed files with 6 additions and 0 deletions
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6
src/comp/middle/trans.rs
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@ -417,6 +417,12 @@ fn T_tydesc(type_names tn) -> TypeRef {
ret t;
}
// A "fat tydesc" is a type descriptor plus an array of extra type descriptors
// following it.
fn T_fat_tydesc(type_names tn, uint n_subdescs) -> TypeRef {
ret T_struct(vec(T_tydesc(tn), T_array(T_tydesc(tn), n_subdescs)));
}
fn T_array(TypeRef t, uint n) -> TypeRef {
ret llvm.LLVMArrayType(t, n);
}