#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 *, int *);
int main() {
  int n;
  scanf("%d", &n);
  if (n > 0) {
    printf("The number is positive.\n");
  } else if (n < 0) {
    printf("The number is negative.\n");
  } else {
    printf("The number is zero!.\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,-0x8(%rbp)
jle    115a <main+0x3a>
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
jmp    1186 <main+0x66>
cmpl   $0x0,-0x8(%rbp)
jge    1175 <main+0x55>
lea    0xeb1(%rip),%rdi
call   1030 <printf@plt>
jmp    1181 <main+0x61>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
jmp    1186 <main+0x66>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,0x4(%rsp)
lea    0xeda(%rip),%rax
lea    0xebe(%rip),%rcx
cmovs  %rax,%rcx
lea    0xee0(%rip),%rdi
cmovle %rcx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [25 x i8] c"The number is positive.\0A\00"
@.str.2 = [25 x i8] c"The number is negative.\0A\00"
@.str.3 = [22 x i8] c"The number is zero!.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
%5 = icmp sgt i32 %4, 0
br i1 %5, label %6, label %8
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0))
br label %16
8: ; preds = %0
%9 = load i32, i32* %2
%10 = icmp slt i32 %9, 0
br i1 %10, label %11, label %13
11: ; preds = %8
%12 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0))
br label %15
13: ; preds = %8
%14 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0))
br label %15
15: ; preds = %13, %11
br label %16
16: ; preds = %15, %6
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@str = [21 x i8] c"The number is zero!.\00"
@str.4 = [24 x i8] c"The number is negative.\00"
@str.5 = [24 x i8] c"The number is positive.\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = icmp sgt i32 %4, 0
%6 = icmp slt i32 %4, 0
%7 = select i1 %6, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @str.4, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0)
%8 = select i1 %5, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @str.5, i64 0, i64 0), i8* %7
%9 = call i32 @puts(i8* dereferenceable(1) %8)
ret i32 0
}