#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*/ exit(int);
int /*<<< orphan*/ printf(char *, char *);
int /*<<< orphan*/ process_file(char *);
int /*<<< orphan*/ ylisp_init();
int main(int argc, char *argv[]) {
  if (argc < 2) {
    printf("Usage: %s <filename>\n", argv[0]);
    exit(-1);
  }
  ylisp_init();
  process_file("stdlib.l");
  process_file(argv[1]);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
jge    117d <main+0x3d>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe92(%rip),%rdi
call   1040 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
mov    $0x0,%al
call   1050 <ylisp_init@plt>
lea    0xe8b(%rip),%rdi
call   1030 <process_file@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <process_file@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x1,%edi
jle    1169 <main+0x29>
xor    %eax,%eax
call   1050 <ylisp_init@plt>
lea    0xebf(%rip),%rdi
call   1030 <process_file@plt>
mov    0x8(%rbx),%rdi
call   1030 <process_file@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    (%rbx),%rsi
lea    0xe8d(%rip),%rdi
call   1040 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"Usage: %s <filename>\0A\00"
@.str.1 = [9 x i8] c"stdlib.l\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp slt i32 %6, 2
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i8**, i8*** %5
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i8* %11)
%13 = call i32 @exit(i32 -1)
unreachable
14: ; preds = %2
%15 = call i32 (...) @ylisp_init()
%16 = call i32 @process_file(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 @process_file(i8* %19)
ret i32 0
}

LLVM IR (-O2):
@.str = [22 x i8] c"Usage: %s <filename>\0A\00"
@.str.1 = [9 x i8] c"stdlib.l\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %8
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = tail call i32 @exit(i32 -1)
unreachable
8: ; preds = %2
%9 = tail call i32 (...) @ylisp_init()
%10 = tail call i32 @process_file(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%11 = getelementptr inbounds i8*, i8** %1, i64 1
%12 = load i8*, i8** %11
%13 = tail call i32 @process_file(i8* %12)
ret i32 0
}