middle: trans: base: remove dead code

src/librustc/middle/trans/base.rs

@@ -77,13 +77,11 @@ use std::cell::{Cell, RefCell};
 use std::libc::c_uint;
 use std::local_data;
 use syntax::abi::{X86, X86_64, Arm, Mips, Rust, RustIntrinsic};
-use syntax::ast_map::PathName;
 use syntax::ast_util::{local_def, is_local};
 use syntax::attr::AttrMetaMethods;
 use syntax::attr;
 use syntax::codemap::Span;
 use syntax::parse::token::InternedString;
-use syntax::parse::token;
 use syntax::visit::Visitor;
 use syntax::visit;
 use syntax::{ast, ast_util, ast_map};
@@ -447,10 +445,6 @@ pub fn malloc_general<'a>(bcx: &'a Block<'a>, t: ty::t, heap: heap)
 
 // Type descriptor and type glue stuff
 
-pub fn get_tydesc_simple(ccx: &CrateContext, t: ty::t) -> ValueRef {
-    get_tydesc(ccx, t).tydesc
-}
-
 pub fn get_tydesc(ccx: &CrateContext, t: ty::t) -> @tydesc_info {
     match ccx.tydescs.borrow().find(&t) {
         Some(&inf) => return inf,
@@ -464,6 +458,7 @@ pub fn get_tydesc(ccx: &CrateContext, t: ty::t) -> @tydesc_info {
     return inf;
 }
 
+#[allow(dead_code)] // useful
 pub fn set_optimize_for_size(f: ValueRef) {
     lib::llvm::SetFunctionAttribute(f, lib::llvm::OptimizeForSizeAttribute)
 }
@@ -472,6 +467,7 @@ pub fn set_no_inline(f: ValueRef) {
     lib::llvm::SetFunctionAttribute(f, lib::llvm::NoInlineAttribute)
 }
 
+#[allow(dead_code)] // useful
 pub fn set_no_unwind(f: ValueRef) {
     lib::llvm::SetFunctionAttribute(f, lib::llvm::NoUnwindAttribute)
 }
@@ -667,19 +663,6 @@ pub fn compare_scalar_values<'a>(
 pub type val_and_ty_fn<'r,'b> =
     'r |&'b Block<'b>, ValueRef, ty::t| -> &'b Block<'b>;
 
-pub fn load_inbounds<'a>(cx: &'a Block<'a>, p: ValueRef, idxs: &[uint])
-                     -> ValueRef {
-    return Load(cx, GEPi(cx, p, idxs));
-}
-
-pub fn store_inbounds<'a>(
-                      cx: &'a Block<'a>,
-                      v: ValueRef,
-                      p: ValueRef,
-                      idxs: &[uint]) {
-    Store(cx, v, GEPi(cx, p, idxs));
-}
-
 // Iterates through the elements of a structural type.
 pub fn iter_structural_ty<'r,
                           'b>(
@@ -975,29 +958,6 @@ pub fn need_invoke(bcx: &Block) -> bool {
     bcx.fcx.needs_invoke()
 }
 
-pub fn do_spill(bcx: &Block, v: ValueRef, t: ty::t) -> ValueRef {
-    if ty::type_is_bot(t) {
-        return C_null(Type::i8p(bcx.ccx()));
-    }
-    let llptr = alloc_ty(bcx, t, "");
-    Store(bcx, v, llptr);
-    return llptr;
-}
-
-// Since this function does *not* root, it is the caller's responsibility to
-// ensure that the referent is pointed to by a root.
-pub fn do_spill_noroot(cx: &Block, v: ValueRef) -> ValueRef {
-    let llptr = alloca(cx, val_ty(v), "");
-    Store(cx, v, llptr);
-    return llptr;
-}
-
-pub fn spill_if_immediate(cx: &Block, v: ValueRef, t: ty::t) -> ValueRef {
-    let _icx = push_ctxt("spill_if_immediate");
-    if type_is_immediate(cx.ccx(), t) { return do_spill(cx, v, t); }
-    return v;
-}
-
 pub fn load_if_immediate(cx: &Block, v: ValueRef, t: ty::t) -> ValueRef {
     let _icx = push_ctxt("load_if_immediate");
     if type_is_immediate(cx.ccx(), t) { return Load(cx, v); }
@@ -1040,20 +1000,6 @@ pub fn raw_block<'a>(
     Block::new(llbb, is_lpad, None, fcx)
 }
 
-pub fn block_locals(b: &ast::Block, it: |@ast::Local|) {
-    for s in b.stmts.iter() {
-        match s.node {
-          ast::StmtDecl(d, _) => {
-            match d.node {
-              ast::DeclLocal(ref local) => it(*local),
-              _ => {} /* fall through */
-            }
-          }
-          _ => {} /* fall through */
-        }
-    }
-}
-
 pub fn with_cond<'a>(
                  bcx: &'a Block<'a>,
                  val: ValueRef,
@@ -1173,10 +1119,6 @@ pub fn arrayalloca(cx: &Block, ty: Type, v: ValueRef) -> ValueRef {
     return ArrayAlloca(cx, ty, v);
 }
 
-pub struct BasicBlocks {
-    sa: BasicBlockRef,
-}
-
 // Creates and returns space for, or returns the argument representing, the
 // slot where the return value of the function must go.
 pub fn make_return_pointer(fcx: &FunctionContext, output_type: ty::t)
@@ -2142,11 +2084,6 @@ fn register_method(ccx: &CrateContext, id: ast::NodeId,
     llfn
 }
 
-pub fn vp2i(cx: &Block, v: ValueRef) -> ValueRef {
-    let ccx = cx.ccx();
-    return PtrToInt(cx, v, ccx.int_type);
-}
-
 pub fn p2i(ccx: &CrateContext, v: ValueRef) -> ValueRef {
     unsafe {
         return llvm::LLVMConstPtrToInt(v, ccx.int_type.to_ref());
@@ -2315,18 +2252,6 @@ pub fn declare_intrinsics(ccx: &mut CrateContext) {
     }
 }
 
-pub fn trap(bcx: &Block) {
-    match bcx.ccx().intrinsics.find_equiv(& &"llvm.trap") {
-      Some(&x) => { Call(bcx, x, [], []); },
-      _ => bcx.sess().bug("unbound llvm.trap in trap")
-    }
-}
-
-pub fn symname(name: &str, hash: &str, vers: &str) -> ~str {
-    let path = [PathName(token::intern(name))];
-    link::exported_name(ast_map::Values(path.iter()).chain(None), hash, vers)
-}
-
 pub fn crate_ctxt_to_encode_parms<'r>(cx: &'r CrateContext, ie: encoder::EncodeInlinedItem<'r>)
     -> encoder::EncodeParams<'r> {