#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 /*<<< orphan*/ trap_iterativo(int);
int main() {
  printf("Nº Trapezio\tAproximacao\n");
  for (int i = 1; i <= 20; i++) {
    trap_iterativo(i);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1040 <printf@plt>
movl   $0x1,-0x8(%rbp)
cmpl   $0x14,-0x8(%rbp)
jg     1162 <main+0x42>
mov    -0x8(%rbp),%edi
call   1030 <trap_iterativo@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1142 <main+0x22>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <trap_iterativo@plt>
mov    $0x2,%edi
call   1040 <trap_iterativo@plt>
mov    $0x3,%edi
call   1040 <trap_iterativo@plt>
mov    $0x4,%edi
call   1040 <trap_iterativo@plt>
mov    $0x5,%edi
call   1040 <trap_iterativo@plt>
mov    $0x6,%edi
call   1040 <trap_iterativo@plt>
mov    $0x7,%edi
call   1040 <trap_iterativo@plt>
mov    $0x8,%edi
call   1040 <trap_iterativo@plt>
mov    $0x9,%edi
call   1040 <trap_iterativo@plt>
mov    $0xa,%edi
call   1040 <trap_iterativo@plt>
mov    $0xb,%edi
call   1040 <trap_iterativo@plt>
mov    $0xc,%edi
call   1040 <trap_iterativo@plt>
mov    $0xd,%edi
call   1040 <trap_iterativo@plt>
mov    $0xe,%edi
call   1040 <trap_iterativo@plt>
mov    $0xf,%edi
call   1040 <trap_iterativo@plt>
mov    $0x10,%edi
call   1040 <trap_iterativo@plt>
mov    $0x11,%edi
call   1040 <trap_iterativo@plt>
mov    $0x12,%edi
call   1040 <trap_iterativo@plt>
mov    $0x13,%edi
call   1040 <trap_iterativo@plt>
mov    $0x14,%edi
call   1040 <trap_iterativo@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [26 x i8] c"N\C2\BA Trapezio\09Aproximacao\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %2
br label %4
4: ; preds = %10, %0
%5 = load i32, i32* %2
%6 = icmp sle i32 %5, 20
br i1 %6, label %7, label %13
7: ; preds = %4
%8 = load i32, i32* %2
%9 = call i32 @trap_iterativo(i32 %8)
br label %10
10: ; preds = %7
%11 = load i32, i32* %2
%12 = add nsw i32 %11, 1
store i32 %12, i32* %2
br label %4
13: ; preds = %4
ret i32 0
}

LLVM IR (-O2):
@str = [25 x i8] c"N\C2\BA Trapezio\09Aproximacao\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @trap_iterativo(i32 1)
%3 = tail call i32 @trap_iterativo(i32 2)
%4 = tail call i32 @trap_iterativo(i32 3)
%5 = tail call i32 @trap_iterativo(i32 4)
%6 = tail call i32 @trap_iterativo(i32 5)
%7 = tail call i32 @trap_iterativo(i32 6)
%8 = tail call i32 @trap_iterativo(i32 7)
%9 = tail call i32 @trap_iterativo(i32 8)
%10 = tail call i32 @trap_iterativo(i32 9)
%11 = tail call i32 @trap_iterativo(i32 10)
%12 = tail call i32 @trap_iterativo(i32 11)
%13 = tail call i32 @trap_iterativo(i32 12)
%14 = tail call i32 @trap_iterativo(i32 13)
%15 = tail call i32 @trap_iterativo(i32 14)
%16 = tail call i32 @trap_iterativo(i32 15)
%17 = tail call i32 @trap_iterativo(i32 16)
%18 = tail call i32 @trap_iterativo(i32 17)
%19 = tail call i32 @trap_iterativo(i32 18)
%20 = tail call i32 @trap_iterativo(i32 19)
%21 = tail call i32 @trap_iterativo(i32 20)
ret i32 0
}