#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 *, ...);
void display_menu() {
  printf("\n");
  printf("1-set memory size (default=%d)\n", 0);
  printf("2-select memory allocation algorithm\n");
  printf("3-new process\n");
  printf("4-terminate a process\n");
  printf("5-display memory usage\n");
  printf("0-exit\n");
}


x86 assembly (clang, -O0):
<display_menu>:
push   %rbp
mov    %rsp,%rbp
lea    0xf03(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
xor    %esi,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeff(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf00(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf13(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_menu>:
push   %rax
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xebe(%rip),%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xece(%rip),%rdi
call   1040 <puts@plt>
lea    0xee7(%rip),%rdi
call   1040 <puts@plt>
lea    0xee9(%rip),%rdi
call   1040 <puts@plt>
lea    0xef3(%rip),%rdi
call   1040 <puts@plt>
lea    0xefe(%rip),%rdi
pop    %rax
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [32 x i8] c"1-set memory size (default=%d)\0A\00"
@.str.2 = [38 x i8] c"2-select memory allocation algorithm\0A\00"
@.str.3 = [15 x i8] c"3-new process\0A\00"
@.str.4 = [23 x i8] c"4-terminate a process\0A\00"
@.str.5 = [24 x i8] c"5-display memory usage\0A\00"
@.str.6 = [8 x i8] c"0-exit\0A\00"
define void @display_menu() {
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.1, i64 0, i64 0), i32 0)
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [32 x i8] c"1-set memory size (default=%d)\0A\00"
@str = [37 x i8] c"2-select memory allocation algorithm\00"
@str.7 = [14 x i8] c"3-new process\00"
@str.8 = [22 x i8] c"4-terminate a process\00"
@str.9 = [23 x i8] c"5-display memory usage\00"
@str.10 = [7 x i8] c"0-exit\00"
define void @display_menu() {
%1 = tail call i32 @putchar(i32 10)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.1, i64 0, i64 0), i32 0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.10, i64 0, i64 0))
ret void
}