#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 *, char *);
char getChoice(void) {
  printf("----------------------------------------------\n");
  printf("\n   Please choose from the following ::");
  printf("\n\t a. Create a new list");
  printf("\n\t b. Delete a node at a position");
  printf("\n\t c. Insert a node at a position");
  printf("\n\t e. Exit the program");
  printf("\n\nYour preference :: ");
  char op;
  scanf("%c", &op);
  printf("----------------------------------------------\n");
  return op;
}


x86 assembly (clang, -O0):
<getChoice>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf33(%rip),%rdi
call   1030 <printf@plt>
lea    0xf49(%rip),%rdi
call   1030 <printf@plt>
lea    0xf54(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5e(%rip),%rdi
lea    -0x1(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xe6d(%rip),%rdi
call   1030 <printf@plt>
movsbl -0x1(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<getChoice>:
push   %rbx
sub    $0x10,%rsp
lea    0xf78(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xeb5(%rip),%rdi
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
call   1040 <printf@plt>
lea    0xedd(%rip),%rdi
call   1040 <printf@plt>
lea    0xef3(%rip),%rdi
call   1040 <printf@plt>
lea    0xf09(%rip),%rdi
call   1040 <printf@plt>
lea    0xf14(%rip),%rdi
call   1040 <printf@plt>
lea    0xf1e(%rip),%rdi
lea    0xf(%rsp),%rsi
call   1050 <scanf@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    0xf(%rsp),%al
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [48 x i8] c"----------------------------------------------\0A\00"
@.str.1 = [40 x i8] c"\0A Please choose from the following ::\00"
@.str.2 = [24 x i8] c"\0A\09 a. Create a new list\00"
@.str.3 = [34 x i8] c"\0A\09 b. Delete a node at a position\00"
@.str.4 = [34 x i8] c"\0A\09 c. Insert a node at a position\00"
@.str.5 = [23 x i8] c"\0A\09 e. Exit the program\00"
@.str.6 = [22 x i8] c"\0A\0AYour preference :: \00"
@.str.7 = [3 x i8] c"%c\00"
define signext i8 @getChoice() {
%1 = alloca i8
%2 = call i32 @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 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), i8* %1)
%10 = call i32 @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0))
%11 = load i8, i8* %1
ret i8 %11
}

LLVM IR (-O2):
@.str.1 = [40 x i8] c"\0A Please choose from the following ::\00"
@.str.2 = [24 x i8] c"\0A\09 a. Create a new list\00"
@.str.3 = [34 x i8] c"\0A\09 b. Delete a node at a position\00"
@.str.4 = [34 x i8] c"\0A\09 c. Insert a node at a position\00"
@.str.5 = [23 x i8] c"\0A\09 e. Exit the program\00"
@.str.6 = [22 x i8] c"\0A\0AYour preference :: \00"
@.str.7 = [3 x i8] c"%c\00"
@str.8 = [47 x i8] c"----------------------------------------------\00"
define signext i8 @getChoice() {
%1 = alloca i8
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0))
%5 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @.str.3, i64 0, i64 0))
%6 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @.str.4, i64 0, i64 0))
%7 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0))
%8 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 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), i8* %1)
%10 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.8, i64 0, i64 0))
%11 = load i8, i8* %1
ret i8 %11
}