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Revert "rustc: Cache normalized types"

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This reverts commit 06afe21c03.
This commit is contained in:
Brian Anderson 2012-04-24 20:47:00 -07:00
parent 06afe21c03
commit b88ecec08c
1 changed files with 3 additions and 12 deletions
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15
src/rustc/middle/ty.rs
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@ -227,8 +227,7 @@ type ctxt =
iface_method_cache: hashmap<def_id, @[method]>, iface_method_cache: hashmap<def_id, @[method]>,
ty_param_bounds: hashmap<ast::node_id, param_bounds>, ty_param_bounds: hashmap<ast::node_id, param_bounds>,
inferred_modes: hashmap<ast::node_id, ast::mode>, inferred_modes: hashmap<ast::node_id, ast::mode>,
borrowings: hashmap<ast::node_id, ()>, borrowings: hashmap<ast::node_id, ()>};
normalized_cache: hashmap<t, t>};
type t_box = @{struct: sty, type t_box = @{struct: sty,
id: uint, id: uint,
@ -462,8 +461,7 @@ fn mk_ctxt(s: session::session, dm: resolve::def_map, amap: ast_map::map,
iface_method_cache: new_def_hash(), iface_method_cache: new_def_hash(),
ty_param_bounds: map::int_hash(), ty_param_bounds: map::int_hash(),
inferred_modes: map::int_hash(), inferred_modes: map::int_hash(),
borrowings: map::int_hash(), borrowings: map::int_hash()}
normalized_cache: new_ty_hash()}
} }
@ -2682,11 +2680,6 @@ fn ty_params_to_tys(tcx: ty::ctxt, tps: [ast::ty_param]) -> [t] {
Returns an equivalent type with all the typedefs and self regions removed Returns an equivalent type with all the typedefs and self regions removed
"] "]
fn normalize_ty(cx: ctxt, t: t) -> t { fn normalize_ty(cx: ctxt, t: t) -> t {
alt cx.normalized_cache.find(t) {
some(t) { ret t; }
none { }
}
let t = alt get(t).struct { let t = alt get(t).struct {
ty_enum(did, r) { ty_enum(did, r) {
alt r.self_r { alt r.self_r {
@ -2700,9 +2693,7 @@ fn normalize_ty(cx: ctxt, t: t) -> t {
_ { t } _ { t }
}; };
let sty = fold_sty(get(t).struct) {|t| normalize_ty(cx, t) }; let sty = fold_sty(get(t).struct) {|t| normalize_ty(cx, t) };
let t_norm = mk_t(cx, sty); mk_t(cx, sty)
cx.normalized_cache.insert(t, t_norm);
ret t_norm;
} }
// Local Variables: // Local Variables: