#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 */
int /*<<< orphan*/ printf(char *, int);
main() {
  int i = 0;
  while (1) {
    printf("while, i = %d\n", i);
    if (i == 5)
      break;
    i++;
  }
  for (;; i++)
    if (i < 10)
      printf("for, i = %d\n", i);
    else
      break;
  do {
    printf("do, i = %d\n", i);
    if (i++ == 15)
      break;
  } while (1);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xed0(%rip),%rdi
call   1030 <printf@plt>
cmpl   $0x5,-0x8(%rbp)
jne    1144 <main+0x34>
jmp    1152 <main+0x42>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
jmp    1157 <main+0x47>
cmpl   $0xa,-0x8(%rbp)
jge    1175 <main+0x65>
mov    -0x8(%rbp),%esi
lea    0xea4(%rip),%rdi
call   1030 <printf@plt>
jmp    117a <main+0x6a>
jmp    118d <main+0x7d>
jmp    117f <main+0x6f>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1157 <main+0x47>
jmp    1192 <main+0x82>
mov    -0x8(%rbp),%esi
lea    0xe80(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
add    $0x1,%ecx
mov    %ecx,-0x8(%rbp)
cmp    $0xf,%eax
jne    11ba <main+0xaa>
jmp    11ce <main+0xbe>
jmp    11bf <main+0xaf>
mov    $0x1,%al
test   $0x1,%al
jne    1192 <main+0x82>
jmp    11ce <main+0xbe>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
call   1030 <printf@plt>
lea    0xea5(%rip),%rbx
mov    %rbx,%rdi
mov    $0x5,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
call   1030 <printf@plt>
lea    0xe6a(%rip),%rbx
mov    %rbx,%rdi
mov    $0xa,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xb,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xc,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xd,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xe,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [15 x i8] c"while, i = %d\0A\00"
@.str.1 = [13 x i8] c"for, i = %d\0A\00"
@.str.2 = [12 x i8] c"do, i = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
br label %3
3: ; preds = %0, %9
%4 = load i32, i32* %2
%5 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = load i32, i32* %2
%7 = icmp eq i32 %6, 5
br i1 %7, label %8, label %9
8: ; preds = %3
br label %12
9: ; preds = %3
%10 = load i32, i32* %2
%11 = add nsw i32 %10, 1
store i32 %11, i32* %2
br label %3
12: ; preds = %8
br label %13
13: ; preds = %21, %12
%14 = load i32, i32* %2
%15 = icmp slt i32 %14, 10
br i1 %15, label %16, label %19
16: ; preds = %13
%17 = load i32, i32* %2
%18 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 %17)
br label %20
19: ; preds = %13
br label %24
20: ; preds = %16
br label %21
21: ; preds = %20
%22 = load i32, i32* %2
%23 = add nsw i32 %22, 1
store i32 %23, i32* %2
br label %13
24: ; preds = %19
br label %25
25: ; preds = %33, %24
%26 = load i32, i32* %2
%27 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %26)
%28 = load i32, i32* %2
%29 = add nsw i32 %28, 1
store i32 %29, i32* %2
%30 = icmp eq i32 %28, 15
br i1 %30, label %31, label %32
31: ; preds = %25
br label %34
32: ; preds = %25
br label %33
33: ; preds = %32
br i1 true, label %25, label %34
34: ; preds = %33, %31
ret i32 0
}

LLVM IR (-O2):
@.str = [15 x i8] c"while, i = %d\0A\00"
@.str.1 = [13 x i8] c"for, i = %d\0A\00"
@.str.2 = [12 x i8] c"do, i = %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 0)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 1)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 3)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 4)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 5)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 5)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 6)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 7)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 8)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 9)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 10)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 11)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 12)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 13)
%16 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 14)
%17 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 15)
ret i32 0
}