Misc small cleanups

Author: nikomatsakis

src/librustc/middle/trans/base.rs

@@ -2406,12 +2406,7 @@ pub fn fill_fn_pair(bcx: @mut Block, pair: ValueRef, llfn: ValueRef,
 }
 
 pub fn item_path(ccx: &CrateContext, id: &ast::NodeId) -> path {
-    match ccx.tcx.items.get_copy(id) {
-        ast_map::node_item(i, p) =>
-            vec::append((*p).clone(), [path_name(i.ident)]),
-        // separate map for paths?
-        _ => fail!("item_path")
-    }
+    ty::item_path(ccx.tcx, ast_util::local_def(*id))
 }
 
 fn exported_name(ccx: @mut CrateContext, path: path, ty: ty::t, attrs: &[ast::Attribute]) -> ~str {

src/librustc/middle/trans/common.rs

@@ -687,7 +687,6 @@ pub fn tuplify_box_ty(tcx: ty::ctxt, t: ty::t) -> ty::t {
                          t]);
 }
 
-
 // LLVM constant constructors.
 pub fn C_null(t: Type) -> ValueRef {
     unsafe {

src/librustc/middle/trans/foreign.rs

@@ -839,8 +839,6 @@ pub fn trans_intrinsic(ccx: @mut CrateContext,
         "visit_tydesc" => {
             let td = get_param(decl, first_real_arg);
             let visitor = get_param(decl, first_real_arg + 1u);
-            //let llvisitorptr = alloca(bcx, val_ty(visitor));
-            //Store(bcx, visitor, llvisitorptr);
             let td = PointerCast(bcx, td, ccx.tydesc_type.ptr_to());
             glue::call_tydesc_glue_full(bcx, visitor, td,
                                         abi::tydesc_field_visit_glue, None);