#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
scalar_t__ t();
void big_function_2() {
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
  while (t())
    ;
}


x86 assembly (clang, -O0):
<big_function_2>:
push   %rbp
mov    %rsp,%rbp
jmp    1119 <big_function_2+0x9>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     112f <big_function_2+0x1f>
jmp    1119 <big_function_2+0x9>
jmp    1134 <big_function_2+0x24>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     114a <big_function_2+0x3a>
jmp    1134 <big_function_2+0x24>
jmp    114f <big_function_2+0x3f>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1165 <big_function_2+0x55>
jmp    114f <big_function_2+0x3f>
jmp    116a <big_function_2+0x5a>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1180 <big_function_2+0x70>
jmp    116a <big_function_2+0x5a>
jmp    1185 <big_function_2+0x75>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     119b <big_function_2+0x8b>
jmp    1185 <big_function_2+0x75>
jmp    11a0 <big_function_2+0x90>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     11b6 <big_function_2+0xa6>
jmp    11a0 <big_function_2+0x90>
jmp    11bb <big_function_2+0xab>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     11d1 <big_function_2+0xc1>
jmp    11bb <big_function_2+0xab>
jmp    11d6 <big_function_2+0xc6>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     11ec <big_function_2+0xdc>
jmp    11d6 <big_function_2+0xc6>
jmp    11f1 <big_function_2+0xe1>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1207 <big_function_2+0xf7>
jmp    11f1 <big_function_2+0xe1>
jmp    120c <big_function_2+0xfc>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1222 <big_function_2+0x112>
jmp    120c <big_function_2+0xfc>
jmp    1227 <big_function_2+0x117>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     123d <big_function_2+0x12d>
jmp    1227 <big_function_2+0x117>
jmp    1242 <big_function_2+0x132>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1258 <big_function_2+0x148>
jmp    1242 <big_function_2+0x132>
jmp    125d <big_function_2+0x14d>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     1273 <big_function_2+0x163>
jmp    125d <big_function_2+0x14d>
jmp    1278 <big_function_2+0x168>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     128e <big_function_2+0x17e>
jmp    1278 <big_function_2+0x168>
jmp    1293 <big_function_2+0x183>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     12a9 <big_function_2+0x199>
jmp    1293 <big_function_2+0x183>
jmp    12ae <big_function_2+0x19e>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     12c4 <big_function_2+0x1b4>
jmp    12ae <big_function_2+0x19e>
jmp    12c9 <big_function_2+0x1b9>
mov    $0x0,%al
call   1030 <t@plt>
cmp    $0x0,%rax
je     12df <big_function_2+0x1cf>
jmp    12c9 <big_function_2+0x1b9>
pop    %rbp
ret

x86 assembly (clang, -O2):
<big_function_2>:
push   %rax
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1120 <big_function_2+0x10>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1130 <big_function_2+0x20>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1140 <big_function_2+0x30>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1150 <big_function_2+0x40>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1160 <big_function_2+0x50>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1170 <big_function_2+0x60>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1180 <big_function_2+0x70>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1190 <big_function_2+0x80>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11a0 <big_function_2+0x90>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11b0 <big_function_2+0xa0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11c0 <big_function_2+0xb0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11d0 <big_function_2+0xc0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11e0 <big_function_2+0xd0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    11f0 <big_function_2+0xe0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1200 <big_function_2+0xf0>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1210 <big_function_2+0x100>
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <t@plt>
test   %rax,%rax
jne    1220 <big_function_2+0x110>
pop    %rax
ret

LLVM IR (-O0):
define void @big_function_2() {
br label %1
1: ; preds = %4, %0
%2 = call i64 (...) @t()
%3 = icmp ne i64 %2, 0
br i1 %3, label %4, label %5
4: ; preds = %1
br label %1
5: ; preds = %1
br label %6
6: ; preds = %9, %5
%7 = call i64 (...) @t()
%8 = icmp ne i64 %7, 0
br i1 %8, label %9, label %10
9: ; preds = %6
br label %6
10: ; preds = %6
br label %11
11: ; preds = %14, %10
%12 = call i64 (...) @t()
%13 = icmp ne i64 %12, 0
br i1 %13, label %14, label %15
14: ; preds = %11
br label %11
15: ; preds = %11
br label %16
16: ; preds = %19, %15
%17 = call i64 (...) @t()
%18 = icmp ne i64 %17, 0
br i1 %18, label %19, label %20
19: ; preds = %16
br label %16
20: ; preds = %16
br label %21
21: ; preds = %24, %20
%22 = call i64 (...) @t()
%23 = icmp ne i64 %22, 0
br i1 %23, label %24, label %25
24: ; preds = %21
br label %21
25: ; preds = %21
br label %26
26: ; preds = %29, %25
%27 = call i64 (...) @t()
%28 = icmp ne i64 %27, 0
br i1 %28, label %29, label %30
29: ; preds = %26
br label %26
30: ; preds = %26
br label %31
31: ; preds = %34, %30
%32 = call i64 (...) @t()
%33 = icmp ne i64 %32, 0
br i1 %33, label %34, label %35
34: ; preds = %31
br label %31
35: ; preds = %31
br label %36
36: ; preds = %39, %35
%37 = call i64 (...) @t()
%38 = icmp ne i64 %37, 0
br i1 %38, label %39, label %40
39: ; preds = %36
br label %36
40: ; preds = %36
br label %41
41: ; preds = %44, %40
%42 = call i64 (...) @t()
%43 = icmp ne i64 %42, 0
br i1 %43, label %44, label %45
44: ; preds = %41
br label %41
45: ; preds = %41
br label %46
46: ; preds = %49, %45
%47 = call i64 (...) @t()
%48 = icmp ne i64 %47, 0
br i1 %48, label %49, label %50
49: ; preds = %46
br label %46
50: ; preds = %46
br label %51
51: ; preds = %54, %50
%52 = call i64 (...) @t()
%53 = icmp ne i64 %52, 0
br i1 %53, label %54, label %55
54: ; preds = %51
br label %51
55: ; preds = %51
br label %56
56: ; preds = %59, %55
%57 = call i64 (...) @t()
%58 = icmp ne i64 %57, 0
br i1 %58, label %59, label %60
59: ; preds = %56
br label %56
60: ; preds = %56
br label %61
61: ; preds = %64, %60
%62 = call i64 (...) @t()
%63 = icmp ne i64 %62, 0
br i1 %63, label %64, label %65
64: ; preds = %61
br label %61
65: ; preds = %61
br label %66
66: ; preds = %69, %65
%67 = call i64 (...) @t()
%68 = icmp ne i64 %67, 0
br i1 %68, label %69, label %70
69: ; preds = %66
br label %66
70: ; preds = %66
br label %71
71: ; preds = %74, %70
%72 = call i64 (...) @t()
%73 = icmp ne i64 %72, 0
br i1 %73, label %74, label %75
74: ; preds = %71
br label %71
75: ; preds = %71
br label %76
76: ; preds = %79, %75
%77 = call i64 (...) @t()
%78 = icmp ne i64 %77, 0
br i1 %78, label %79, label %80
79: ; preds = %76
br label %76
80: ; preds = %76
br label %81
81: ; preds = %84, %80
%82 = call i64 (...) @t()
%83 = icmp ne i64 %82, 0
br i1 %83, label %84, label %85
84: ; preds = %81
br label %81
85: ; preds = %81
ret void
}

LLVM IR (-O2):
define void @big_function_2() {
br label %1
1: ; preds = %1, %0
%2 = tail call i64 (...) @t()
%3 = icmp eq i64 %2, 0
br i1 %3, label %4, label %1
4: ; preds = %1, %4
%5 = tail call i64 (...) @t()
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %4
7: ; preds = %4, %7
%8 = tail call i64 (...) @t()
%9 = icmp eq i64 %8, 0
br i1 %9, label %10, label %7
10: ; preds = %7, %10
%11 = tail call i64 (...) @t()
%12 = icmp eq i64 %11, 0
br i1 %12, label %13, label %10
13: ; preds = %10, %13
%14 = tail call i64 (...) @t()
%15 = icmp eq i64 %14, 0
br i1 %15, label %16, label %13
16: ; preds = %13, %16
%17 = tail call i64 (...) @t()
%18 = icmp eq i64 %17, 0
br i1 %18, label %19, label %16
19: ; preds = %16, %19
%20 = tail call i64 (...) @t()
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %19
22: ; preds = %19, %22
%23 = tail call i64 (...) @t()
%24 = icmp eq i64 %23, 0
br i1 %24, label %25, label %22
25: ; preds = %22, %25
%26 = tail call i64 (...) @t()
%27 = icmp eq i64 %26, 0
br i1 %27, label %28, label %25
28: ; preds = %25, %28
%29 = tail call i64 (...) @t()
%30 = icmp eq i64 %29, 0
br i1 %30, label %31, label %28
31: ; preds = %28, %31
%32 = tail call i64 (...) @t()
%33 = icmp eq i64 %32, 0
br i1 %33, label %34, label %31
34: ; preds = %31, %34
%35 = tail call i64 (...) @t()
%36 = icmp eq i64 %35, 0
br i1 %36, label %37, label %34
37: ; preds = %34, %37
%38 = tail call i64 (...) @t()
%39 = icmp eq i64 %38, 0
br i1 %39, label %40, label %37
40: ; preds = %37, %40
%41 = tail call i64 (...) @t()
%42 = icmp eq i64 %41, 0
br i1 %42, label %43, label %40
43: ; preds = %40, %43
%44 = tail call i64 (...) @t()
%45 = icmp eq i64 %44, 0
br i1 %45, label %46, label %43
46: ; preds = %43, %46
%47 = tail call i64 (...) @t()
%48 = icmp eq i64 %47, 0
br i1 %48, label %49, label %46
49: ; preds = %46, %49
%50 = tail call i64 (...) @t()
%51 = icmp eq i64 %50, 0
br i1 %51, label %52, label %49
52: ; preds = %49
ret void
}