#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*/ scanf(char *, float *);
int main() {
  float num;
  scanf("%f", &num);
  if (num >= 0 && num <= 25) {
    printf("Intervalo [0,25]\n");
  } else if (num > 25 && num <= 50) {
    printf("Intervalo (25,50]\n");
  } else if (num > 50 && num <= 75) {
    printf("Intervalo (50,75]\n");
  } else if (num > 75 && num <= 100) {
    printf("Intervalo (75,100]\n");
  } else {
    printf("Fora de intervalo\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jb     1173 <main+0x53>
movss  0xea8(%rip),%xmm0
ucomiss -0x8(%rbp),%xmm0
jb     1173 <main+0x53>
lea    0xeaa(%rip),%rdi
call   1030 <printf@plt>
jmp    1239 <main+0x119>
movss  -0x8(%rbp),%xmm0
movss  0xe80(%rip),%xmm1
ucomiss %xmm1,%xmm0
jbe    11ac <main+0x8c>
movss  0xe73(%rip),%xmm0
ucomiss -0x8(%rbp),%xmm0
jb     11ac <main+0x8c>
lea    0xe83(%rip),%rdi
call   1030 <printf@plt>
jmp    1234 <main+0x114>
movss  -0x8(%rbp),%xmm0
movss  0xe4b(%rip),%xmm1
ucomiss %xmm1,%xmm0
jbe    11e5 <main+0xc5>
movss  0xe3e(%rip),%xmm0
ucomiss -0x8(%rbp),%xmm0
jb     11e5 <main+0xc5>
lea    0xe5d(%rip),%rdi
call   1030 <printf@plt>
jmp    122f <main+0x10f>
movss  -0x8(%rbp),%xmm0
movss  0xe16(%rip),%xmm1
ucomiss %xmm1,%xmm0
jbe    121e <main+0xfe>
movss  0xe09(%rip),%xmm0
ucomiss -0x8(%rbp),%xmm0
jb     121e <main+0xfe>
lea    0xe37(%rip),%rdi
call   1030 <printf@plt>
jmp    122a <main+0x10a>
lea    0xe3a(%rip),%rdi
call   1030 <printf@plt>
jmp    122f <main+0x10f>
jmp    1234 <main+0x114>
jmp    1239 <main+0x119>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jb     1156 <main+0x36>
movss  0xeb8(%rip),%xmm1
ucomiss %xmm0,%xmm1
jb     1156 <main+0x36>
lea    0xf08(%rip),%rdi
jmp    11bc <main+0x9c>
ucomiss 0xea3(%rip),%xmm0
jbe    1175 <main+0x55>
movss  0xe9d(%rip),%xmm1
ucomiss %xmm0,%xmm1
jb     1175 <main+0x55>
lea    0xed7(%rip),%rdi
jmp    11bc <main+0x9c>
ucomiss 0xe88(%rip),%xmm0
jbe    1194 <main+0x74>
movss  0xe82(%rip),%xmm1
ucomiss %xmm0,%xmm1
jb     1194 <main+0x74>
lea    0xea6(%rip),%rdi
jmp    11bc <main+0x9c>
movss  0xe70(%rip),%xmm1
ucomiss %xmm0,%xmm1
lea    0xe7f(%rip),%rdi
lea    0xe66(%rip),%rax
cmovb  %rax,%rdi
ucomiss 0xe50(%rip),%xmm0
cmovbe %rax,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%f\00"
@.str.1 = [18 x i8] c"Intervalo [0,25]\0A\00"
@.str.2 = [19 x i8] c"Intervalo (25,50]\0A\00"
@.str.3 = [19 x i8] c"Intervalo (50,75]\0A\00"
@.str.4 = [20 x i8] c"Intervalo (75,100]\0A\00"
@.str.5 = [19 x i8] c"Fora de intervalo\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %2)
%4 = load float, float* %2
%5 = fcmp oge float %4, 0.000000e+00
br i1 %5, label %6, label %11
6: ; preds = %0
%7 = load float, float* %2
%8 = fcmp ole float %7, 2.500000e+01
br i1 %8, label %9, label %11
9: ; preds = %6
%10 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0))
br label %40
11: ; preds = %6, %0
%12 = load float, float* %2
%13 = fcmp ogt float %12, 2.500000e+01
br i1 %13, label %14, label %19
14: ; preds = %11
%15 = load float, float* %2
%16 = fcmp ole float %15, 5.000000e+01
br i1 %16, label %17, label %19
17: ; preds = %14
%18 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0))
br label %39
19: ; preds = %14, %11
%20 = load float, float* %2
%21 = fcmp ogt float %20, 5.000000e+01
br i1 %21, label %22, label %27
22: ; preds = %19
%23 = load float, float* %2
%24 = fcmp ole float %23, 7.500000e+01
br i1 %24, label %25, label %27
25: ; preds = %22
%26 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0))
br label %38
27: ; preds = %22, %19
%28 = load float, float* %2
%29 = fcmp ogt float %28, 7.500000e+01
br i1 %29, label %30, label %35
30: ; preds = %27
%31 = load float, float* %2
%32 = fcmp ole float %31, 1.000000e+02
br i1 %32, label %33, label %35
33: ; preds = %30
%34 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i64 0, i64 0))
br label %37
35: ; preds = %30, %27
%36 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.5, i64 0, i64 0))
br label %37
37: ; preds = %35, %33
br label %38
38: ; preds = %37, %25
br label %39
39: ; preds = %38, %17
br label %40
40: ; preds = %39, %9
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%f\00"
@str = [18 x i8] c"Fora de intervalo\00"
@str.6 = [19 x i8] c"Intervalo (75,100]\00"
@str.7 = [18 x i8] c"Intervalo (50,75]\00"
@str.8 = [18 x i8] c"Intervalo (25,50]\00"
@str.9 = [17 x i8] c"Intervalo [0,25]\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%4 = load float, float* %1
%5 = fcmp oge float %4, 0.000000e+00
%6 = fcmp ole float %4, 2.500000e+01
%7 = and i1 %5, %6
br i1 %7, label %21, label %8
8: ; preds = %0
%9 = fcmp ogt float %4, 2.500000e+01
%10 = fcmp ole float %4, 5.000000e+01
%11 = and i1 %9, %10
br i1 %11, label %21, label %12
12: ; preds = %8
%13 = fcmp ogt float %4, 5.000000e+01
%14 = fcmp ole float %4, 7.500000e+01
%15 = and i1 %13, %14
br i1 %15, label %21, label %16
16: ; preds = %12
%17 = fcmp ogt float %4, 7.500000e+01
%18 = fcmp ole float %4, 1.000000e+02
%19 = and i1 %17, %18
%20 = select i1 %19, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @str.6, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0)
br label %21
21: ; preds = %16, %12, %8, %0
%22 = phi i8* [ getelementptr inbounds ([17 x i8], [17 x i8]* @str.9, i64 0, i64 0), %0 ], [ getelementptr inbounds ([18 x i8], [18 x i8]* @str.8, i64 0, i64 0), %8 ], [ getelementptr inbounds ([18 x i8], [18 x i8]* @str.7, i64 0, i64 0), %12 ], [ %20, %16 ]
%23 = call i32 @puts(i8* dereferenceable(1) %22)
ret i32 0
}