#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*/ imprime_matriz(int **);
int /*<<< orphan*/ inverte_linhas(int **);
int /*<<< orphan*/ printf(char *, int, int);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int i, j;
  int mat[4][2];
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 2; j++) {
      printf("\nInforme o valor para A[%d][%d] na matriz: ", i, j);
      scanf("%d", &mat[i][j]);
    }
  }
  inverte_linhas(mat);
  imprime_matriz(mat);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x4,-0x8(%rbp)
jge    11ca <main+0x8a>
movl   $0x0,-0xc(%rbp)
cmpl   $0x2,-0xc(%rbp)
jge    11b7 <main+0x77>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xe82(%rip),%rdi
call   1030 <printf@plt>
movslq -0x8(%rbp),%rax
lea    -0x30(%rbp),%rsi
shl    $0x3,%rax
add    %rax,%rsi
movslq -0xc(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe88(%rip),%rdi
call   1060 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1167 <main+0x27>
jmp    11bc <main+0x7c>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1156 <main+0x16>
lea    -0x30(%rbp),%rdi
call   1050 <inverte_linhas@plt>
lea    -0x30(%rbp),%rdi
call   1040 <imprime_matriz@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x20,%rsp
lea    0xeb0(%rip),%r15
mov    %r15,%rdi
xor    %esi,%esi
xor    %edx,%edx
call   1030 <printf@plt>
lea    0xec9(%rip),%rbx
mov    %rsp,%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1060 <scanf@plt>
mov    %r15,%rdi
xor    %esi,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x1,%esi
xor    %edx,%edx
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x2,%esi
xor    %edx,%edx
call   1030 <printf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x2,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x3,%esi
xor    %edx,%edx
call   1030 <printf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r15,%rdi
mov    $0x3,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    %r14,%rdi
call   1050 <inverte_linhas@plt>
mov    %r14,%rdi
call   1040 <imprime_matriz@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [44 x i8] c"\0AInforme o valor para A[%d][%d] na matriz: \00"
@.str.1 = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca [4 x [2 x i32]]
store i32 0, i32* %1
store i32 0, i32* %2
br label %5
5: ; preds = %27, %0
%6 = load i32, i32* %2
%7 = icmp slt i32 %6, 4
br i1 %7, label %8, label %30
8: ; preds = %5
store i32 0, i32* %3
br label %9
9: ; preds = %23, %8
%10 = load i32, i32* %3
%11 = icmp slt i32 %10, 2
br i1 %11, label %12, label %26
12: ; preds = %9
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 %13, i32 %14)
%16 = load i32, i32* %2
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %4, i64 0, i64 %17
%19 = load i32, i32* %3
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds [2 x i32], [2 x i32]* %18, i64 0, i64 %20
%22 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %21)
br label %23
23: ; preds = %12
%24 = load i32, i32* %3
%25 = add nsw i32 %24, 1
store i32 %25, i32* %3
br label %9
26: ; preds = %9
br label %27
27: ; preds = %26
%28 = load i32, i32* %2
%29 = add nsw i32 %28, 1
store i32 %29, i32* %2
br label %5
30: ; preds = %5
%31 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %4, i64 0, i64 0
%32 = bitcast [2 x i32]* %31 to i32**
%33 = call i32 @inverte_linhas(i32** %32)
%34 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %4, i64 0, i64 0
%35 = bitcast [2 x i32]* %34 to i32**
%36 = call i32 @imprime_matriz(i32** %35)
ret i32 0
}

LLVM IR (-O2):
@.str = [44 x i8] c"\0AInforme o valor para A[%d][%d] na matriz: \00"
@.str.1 = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca [4 x [2 x i32]]
%2 = bitcast [4 x [2 x i32]]* %1 to i8*
%3 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 0, i32 0)
%4 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
%6 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 0, i32 1)
%7 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 0, i64 1
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %7)
%9 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 1, i32 0)
%10 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 1, i64 0
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %10)
%12 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 1, i32 1)
%13 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 1, i64 1
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %13)
%15 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 2, i32 0)
%16 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 2, i64 0
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %16)
%18 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 2, i32 1)
%19 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 2, i64 1
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %19)
%21 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 3, i32 0)
%22 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 3, i64 0
%23 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %22)
%24 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i32 3, i32 1)
%25 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 3, i64 1
%26 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %25)
%27 = bitcast [4 x [2 x i32]]* %1 to i32**
%28 = call i32 @inverte_linhas(i32** %27)
%29 = call i32 @imprime_matriz(i32** %27)
ret i32 0
}