#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 matriz[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
  int *pmatriz = matriz[0];
  printf("Matriz accedida con doble puntero:\n");
  for (int i = 0; i < 3; i++) {
    printf("\t");
    for (int j = 0; j < 3; j++) {
      printf("%d ", *((pmatriz + i) + j));
    }
    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
lea    0xec6(%rip),%rsi
mov    $0x24,%edx
call   1040 <memcpy@plt>
lea    -0x30(%rbp),%rax
mov    %rax,-0x38(%rbp)
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x3c(%rbp)
cmpl   $0x3,-0x3c(%rbp)
jge    11d8 <main+0xb8>
lea    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x40(%rbp)
cmpl   $0x3,-0x40(%rbp)
jge    11bc <main+0x9c>
mov    -0x38(%rbp),%rax
movslq -0x3c(%rbp),%rcx
shl    $0x2,%rcx
add    %rcx,%rax
movslq -0x40(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x40(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x40(%rbp)
jmp    1180 <main+0x60>
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x3c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x3c(%rbp)
jmp    1161 <main+0x41>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xecc(%rip),%rdi
call   1040 <puts@plt>
mov    $0x9,%edi
call   1030 <putchar@plt>
lea    0xeb2(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x9,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x9,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.matriz = [3 x [3 x i32]] [[3 x i32] [i32 1, i32 2, i32 3], [3 x i32] [i32 4, i32 5, i32 6], [3 x i32] [i32 7, i32 8, i32 9]]
@.str = [36 x i8] c"Matriz accedida con doble puntero:\0A\00"
@.str.1 = [2 x i8] c"\09\00"
@.str.2 = [4 x i8] c"%d \00"
@.str.3 = [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
%5 = alloca i32
store i32 0, i32* %1
%6 = bitcast [3 x [3 x i32]]* %2 to i8*
%7 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %2, i64 0, i64 0
%8 = getelementptr inbounds [3 x i32], [3 x i32]* %7, i64 0, i64 0
store i32* %8, i32** %3
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %4
br label %10
10: ; preds = %33, %0
%11 = load i32, i32* %4
%12 = icmp slt i32 %11, 3
br i1 %12, label %13, label %36
13: ; preds = %10
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %5
br label %15
15: ; preds = %28, %13
%16 = load i32, i32* %5
%17 = icmp slt i32 %16, 3
br i1 %17, label %18, label %31
18: ; preds = %15
%19 = load i32*, i32** %3
%20 = load i32, i32* %4
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds i32, i32* %19, i64 %21
%23 = load i32, i32* %5
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds i32, i32* %22, i64 %24
%26 = load i32, i32* %25
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %26)
br label %28
28: ; preds = %18
%29 = load i32, i32* %5
%30 = add nsw i32 %29, 1
store i32 %30, i32* %5
br label %15
31: ; preds = %15
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %33
33: ; preds = %31
%34 = load i32, i32* %4
%35 = add nsw i32 %34, 1
store i32 %35, i32* %4
br label %10
36: ; preds = %10
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [4 x i8] c"%d \00"
@str = [35 x i8] c"Matriz accedida con doble puntero:\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @putchar(i32 9)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 1)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 2)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 @putchar(i32 9)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 2)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 4)
%11 = tail call i32 @putchar(i32 10)
%12 = tail call i32 @putchar(i32 9)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 4)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 5)
%16 = tail call i32 @putchar(i32 10)
ret i32 0
}