#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*/ scanf(char *, ...);
void preencherMapa(char mapa[][128], int linhas, int colunas) {
  int i, j;
  for (i = 0; i < linhas; i++) {
    for (j = 0; j < colunas; j++) {
      scanf("%c", &mapa[i][j]);
    }
    scanf("\n");
  }
}


x86 assembly (clang, -O0):
<preencherMapa>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1196 <preencherMapa+0x86>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    117a <preencherMapa+0x6a>
mov    -0x8(%rbp),%rsi
movslq -0x14(%rbp),%rax
shl    $0x7,%rax
add    %rax,%rsi
movslq -0x18(%rbp),%rax
add    %rax,%rsi
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <scanf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <preencherMapa+0x2c>
lea    0xe82(%rip),%rdi
mov    $0x0,%al
call   1030 <scanf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <preencherMapa+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<preencherMapa>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %edx,0xc(%rsp)
test   %esi,%esi
jle    1199 <preencherMapa+0x89>
mov    %rdi,%r12
mov    %esi,%r13d
mov    0xc(%rsp),%eax
mov    %rax,0x10(%rsp)
lea    0xec4(%rip),%rbp
xor    %r15d,%r15d
jmp    116b <preencherMapa+0x5b>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
lea    0xeac(%rip),%rdi
xor    %eax,%eax
call   1030 <scanf@plt>
add    $0x1,%r15
sub    $0xffffffffffffff80,%r12
cmp    %r13,%r15
je     1199 <preencherMapa+0x89>
cmpl   $0x0,0xc(%rsp)
jle    1150 <preencherMapa+0x40>
mov    0x10(%rsp),%r14
mov    %r12,%rbx
nopw   0x0(%rax,%rax,1)
mov    %rbp,%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <scanf@plt>
add    $0x1,%rbx
add    $0xffffffffffffffff,%r14
jne    1180 <preencherMapa+0x70>
jmp    1150 <preencherMapa+0x40>
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%c\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @preencherMapa([128 x i8]* %0, i32 %1, i32 %2) {
%4 = alloca [128 x i8]*
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store [128 x i8]* %0, [128 x i8]** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %32, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %35
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %27, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %30
18: ; preds = %14
%19 = load [128 x i8]*, [128 x i8]** %4
%20 = load i32, i32* %7
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds [128 x i8], [128 x i8]* %19, i64 %21
%23 = load i32, i32* %8
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds [128 x i8], [128 x i8]* %22, i64 0, i64 %24
%26 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* %25)
br label %27
27: ; preds = %18
%28 = load i32, i32* %8
%29 = add nsw i32 %28, 1
store i32 %29, i32* %8
br label %14
30: ; preds = %14
%31 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %32
32: ; preds = %30
%33 = load i32, i32* %7
%34 = add nsw i32 %33, 1
store i32 %34, i32* %7
br label %9
35: ; preds = %9
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%c\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @preencherMapa([128 x i8]* %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %21
5: ; preds = %3
%6 = icmp sgt i32 %2, 0
%7 = zext i32 %1 to i64
%8 = zext i32 %2 to i64
br label %9
9: ; preds = %5, %17
%10 = phi i64 [ 0, %5 ], [ %19, %17 ]
br i1 %6, label %11, label %17
11: ; preds = %9, %11
%12 = phi i64 [ %15, %11 ], [ 0, %9 ]
%13 = getelementptr inbounds [128 x i8], [128 x i8]* %0, i64 %10, i64 %12
%14 = tail call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* %13)
%15 = add nuw nsw i64 %12, 1
%16 = icmp eq i64 %15, %8
br i1 %16, label %17, label %11
17: ; preds = %11, %9
%18 = tail call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%19 = add nuw nsw i64 %10, 1
%20 = icmp eq i64 %19, %7
br i1 %20, label %21, label %9
21: ; preds = %17, %3
ret void
}