#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*/ error(char *, ...);
int sarun(char *, char *);
int main(int argc, char **argv) {
  int e;
  if (argc < 3)
    error("usage: sarun linkstream bootfile");
  if ((e = sarun(argv[1], argv[2])) != 0)
    error("sarun error %d", e);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    114e <main+0x2e>
lea    0xeb9(%rip),%rdi
mov    $0x0,%al
call   1040 <error@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1030 <sarun@plt>
mov    %eax,-0x14(%rbp)
cmp    $0x0,%eax
je     1180 <main+0x60>
mov    -0x14(%rbp),%esi
lea    0xea8(%rip),%rdi
mov    $0x0,%al
call   1040 <error@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x2,%edi
jg     1137 <main+0x17>
lea    0xed0(%rip),%rdi
xor    %eax,%eax
call   1040 <error@plt>
mov    0x8(%rbx),%rdi
mov    0x10(%rbx),%rsi
call   1030 <sarun@plt>
test   %eax,%eax
je     1158 <main+0x38>
lea    0xed2(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <error@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [33 x i8] c"usage: sarun linkstream bootfile\00"
@.str.1 = [15 x i8] c"sarun error %d\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp slt i32 %7, 3
br i1 %8, label %9, label %11
9: ; preds = %2
%10 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0))
br label %11
11: ; preds = %9, %2
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 1
%14 = load i8*, i8** %13
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 2
%17 = load i8*, i8** %16
%18 = call i32 @sarun(i8* %14, i8* %17)
store i32 %18, i32* %6
%19 = icmp ne i32 %18, 0
br i1 %19, label %20, label %23
20: ; preds = %11
%21 = load i32, i32* %6
%22 = call i32 (i8*, ...) @error(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %21)
br label %23
23: ; preds = %20, %11
%24 = load i32, i32* %3
ret i32 %24
}

LLVM IR (-O2):
@.str = [33 x i8] c"usage: sarun linkstream bootfile\00"
@.str.1 = [15 x i8] c"sarun error %d\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 3
br i1 %3, label %4, label %6
4: ; preds = %2
%5 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0))
br label %6
6: ; preds = %4, %2
%7 = getelementptr inbounds i8*, i8** %1, i64 1
%8 = load i8*, i8** %7
%9 = getelementptr inbounds i8*, i8** %1, i64 2
%10 = load i8*, i8** %9
%11 = tail call i32 @sarun(i8* %8, i8* %10)
%12 = icmp eq i32 %11, 0
br i1 %12, label %15, label %13
13: ; preds = %6
%14 = tail call i32 (i8*, ...) @error(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %11)
br label %15
15: ; preds = %13, %6
ret i32 0
}