File: loop_optimization20.adb

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (35 lines) | stat: -rw-r--r-- 774 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
-- { dg-do compile }
-- { dg-options "-O -fdump-tree-optimized" }

procedure Loop_Optimization20 is

  type Array_T is array (Positive range <>) of Integer;
  type Obj_T (Length : Natural) is
    record
      Elements : Array_T (1 .. Length);
    end record;

  type T is access Obj_T;

  function Is_Null (S1 : Obj_T) return Boolean;
  pragma No_Inline (Is_Null);

  function Is_Null (S1 : Obj_T) return Boolean is
  begin
    for I in 1 .. S1.Length loop
      if S1.Elements (I) /= 0 then
        return False;
      end if;
    end loop;
    return True;
  end;

  A : T := new Obj_T'(Length => 10, Elements => (others => 0));

begin
  if not Is_Null (A.all) then
    raise Program_Error;
  end if;
end;

-- { dg-final { scan-tree-dump-not "Index_Check" "optimized" } }