#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, int, int);
int main(void) {
  int x, y, z;
  for (x = 0; x < 2; x++) {
    for (y = 0; y < 3; y++) {
      for (z = 0; z < 3; z++) {
        printf("%d %d %d\n", x, y, z);
      }
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x2,-0x8(%rbp)
jge    119b <main+0x8b>
movl   $0x0,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jge    1188 <main+0x78>
movl   $0x0,-0x10(%rbp)
cmpl   $0x3,-0x10(%rbp)
jge    1175 <main+0x65>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1148 <main+0x38>
jmp    117a <main+0x6a>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1137 <main+0x27>
jmp    118d <main+0x7d>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
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
xor    %edx,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x2,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x2,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x2,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %edx,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %edx,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %edx,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x2,%edx
xor    %ecx,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x1,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

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