#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 main(int argc, char *argv[]) {
  printf("\n=========================================================\n");
  printf("PLEASE READ THE README\n");
  printf("\n");
  printf("This is NOT a shell\n");
  printf("You can make your program run by changing the\n");
  printf("start_shell function in sys/kmain.c\n");
  printf("\n");
  printf("to make this less annoying remove the schedualing of hello\n");
  printf("in the start_shell\n");
  printf("\n");
  printf("=========================================================\n\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeda(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
call   1030 <printf@plt>
lea    0x1009(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf13(%rip),%rdi
call   1030 <printf@plt>
lea    0xf36(%rip),%rdi
call   1030 <printf@plt>
lea    0xfd9(%rip),%rdi
call   1030 <printf@plt>
lea    0xf43(%rip),%rdi
call   1030 <printf@plt>
lea    0xf73(%rip),%rdi
call   1030 <printf@plt>
lea    0xfb5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf6f(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xf07(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf08(%rip),%rdi
call   1040 <puts@plt>
lea    0xf10(%rip),%rdi
call   1040 <puts@plt>
lea    0xf32(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf40(%rip),%rdi
call   1040 <puts@plt>
lea    0xf6f(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf6c(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [60 x i8] c"\0A=========================================================\0A\00"
@.str.1 = [24 x i8] c"PLEASE READ THE README\0A\00"
@.str.2 = [2 x i8] c"\0A\00"
@.str.3 = [21 x i8] c"This is NOT a shell\0A\00"
@.str.4 = [47 x i8] c"You can make your program run by changing the\0A\00"
@.str.5 = [37 x i8] c"start_shell function in sys/kmain.c\0A\00"
@.str.6 = [60 x i8] c"to make this less annoying remove the schedualing of hello\0A\00"
@.str.7 = [20 x i8] c"in the start_shell\0A\00"
@.str.8 = [60 x i8] c"=========================================================\0A\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
store i32 %0, i32* %3
store i8** %1, i8*** %4
%5 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.5, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.6, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.7, i64 0, i64 0))
%14 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%15 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.8, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@str = [59 x i8] c"\0A=========================================================\00"
@str.9 = [23 x i8] c"PLEASE READ THE README\00"
@str.10 = [20 x i8] c"This is NOT a shell\00"
@str.11 = [46 x i8] c"You can make your program run by changing the\00"
@str.12 = [36 x i8] c"start_shell function in sys/kmain.c\00"
@str.13 = [59 x i8] c"to make this less annoying remove the schedualing of hello\00"
@str.14 = [19 x i8] c"in the start_shell\00"
@str.15 = [59 x i8] c"=========================================================\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @putchar(i32 10)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.12, i64 0, i64 0))
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.13, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.14, i64 0, i64 0))
%12 = tail call i32 @putchar(i32 10)
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.15, i64 0, i64 0))
ret i32 0
}