#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() {
  int x, y;
  for (x = 1; x <= 3; x++)
    for (y = 1; y <= 3; y++)
      printf("%d + %d = %d\n", x, y, x + y);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jg     117a <main+0x6a>
movl   $0x1,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jg     1167 <main+0x57>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
add    -0xc(%rbp),%ecx
lea    0xeac(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1137 <main+0x27>
jmp    116c <main+0x5c>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
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
mov    $0x3,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x3,%edx
mov    $0x4,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1,%edx
mov    $0x3,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x2,%edx
mov    $0x4,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x3,%edx
mov    $0x5,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x1,%edx
mov    $0x4,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x2,%edx
mov    $0x5,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x3,%edx
mov    $0x6,%ecx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

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