#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 get_option() {
  printf("Menu:\n\n");
  printf("1) One\n");
  printf("2) Two\n");
  printf("3) Three\n");
  printf("4) Four\n");
  printf("5) Five\n");
  printf("Please select option 1-5:  ");
  int opt;
  scanf("%d", &opt);
  return opt;
}


x86 assembly (clang, -O0):
<get_option>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xecd(%rip),%rdi
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
call   1030 <printf@plt>
lea    0xec5(%rip),%rdi
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
lea    0xebd(%rip),%rdi
call   1030 <printf@plt>
lea    0xecd(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_option>:
push   %rax
lea    0xee7(%rip),%rdi
call   1030 <puts@plt>
lea    0xee2(%rip),%rdi
call   1030 <puts@plt>
lea    0xedd(%rip),%rdi
call   1030 <puts@plt>
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xed1(%rip),%rdi
call   1030 <puts@plt>
lea    0xe80(%rip),%rdi
call   1040 <printf@plt>
lea    0xe90(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [8 x i8] c"Menu:\0A\0A\00"
@.str.1 = [8 x i8] c"1) One\0A\00"
@.str.2 = [8 x i8] c"2) Two\0A\00"
@.str.3 = [10 x i8] c"3) Three\0A\00"
@.str.4 = [9 x i8] c"4) Four\0A\00"
@.str.5 = [9 x i8] c"5) Five\0A\00"
@.str.6 = [28 x i8] c"Please select option 1-5: \00"
@.str.7 = [3 x i8] c"%d\00"
define i32 @get_option() {
%1 = alloca i32
%2 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
ret i32 %10
}

LLVM IR (-O2):
@.str.6 = [28 x i8] c"Please select option 1-5: \00"
@.str.7 = [3 x i8] c"%d\00"
@str = [7 x i8] c"Menu:\0A\00"
@str.8 = [7 x i8] c"1) One\00"
@str.9 = [7 x i8] c"2) Two\00"
@str.10 = [9 x i8] c"3) Three\00"
@str.11 = [8 x i8] c"4) Four\00"
@str.12 = [8 x i8] c"5) Five\00"
define i32 @get_option() {
%1 = alloca i32
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.12, i64 0, i64 0))
%8 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.6, i64 0, i64 0))
%9 = bitcast i32* %1 to i8*
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32* %1)
%11 = load i32, i32* %1
ret i32 %11
}