#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 matrix[3][3] = {0};
  matrix[0][0] = 1;
  matrix[2][2] = 1;
  for (int row = 0; row < 3; row++) {
    for (int column = 0; column < 3; column++) {
      printf("%i", matrix[row][column]);
    }
    printf("\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x30(%rbp),%rdi
xor    %esi,%esi
mov    $0x24,%edx
call   1040 <memset@plt>
movl   $0x1,-0x30(%rbp)
movl   $0x1,-0x10(%rbp)
movl   $0x0,-0x34(%rbp)
cmpl   $0x3,-0x34(%rbp)
jge    11bd <main+0x9d>
movl   $0x0,-0x38(%rbp)
cmpl   $0x3,-0x38(%rbp)
jge    11a1 <main+0x81>
movslq -0x34(%rbp),%rcx
lea    -0x30(%rbp),%rax
imul   $0xc,%rcx,%rcx
add    %rcx,%rax
movslq -0x38(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe74(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    1165 <main+0x45>
lea    0xe5b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1154 <main+0x34>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rbx
ret

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

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