#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 getpid();
int /*<<< orphan*/ printf(char *, ...);
void init() {
  printf("====================\n");
  printf("Andy's Shell\n");
  printf("PID:  \%d\n", getpid());
  printf("USER: ");
  printf("andy\n");
  printf("====================\n");
}


x86 assembly (clang, -O0):
<init>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    $0x0,%al
call   1030 <getpid@plt>
mov    %eax,%esi
lea    0xed4(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xed0(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe86(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<init>:
push   %rbx
lea    0xeeb(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xeca(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1040 <getpid@plt>
lea    0xea6(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xea0(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xea6(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"====================\0A\00"
@.str.1 = [14 x i8] c"Andy's Shell\0A\00"
@.str.2 = [10 x i8] c"PID: %d\0A\00"
@.str.3 = [7 x i8] c"USER: \00"
@.str.4 = [6 x i8] c"andy\0A\00"
define void @init() {
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 (...) @getpid()
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0), i32 %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.2 = [10 x i8] c"PID: %d\0A\00"
@.str.3 = [7 x i8] c"USER: \00"
@str.5 = [13 x i8] c"Andy's Shell\00"
@str.6 = [5 x i8] c"andy\00"
@str.7 = [21 x i8] c"====================\00"
define void @init() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.7, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.5, i64 0, i64 0))
%3 = tail call i32 (...) @getpid()
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0), i32 %3)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str.6, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.7, i64 0, i64 0))
ret void
}