#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 */
typedef int /*<<< orphan*/ int64_t;

/* Variables and functions */
int F4004ec(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
scalar_t__ atol(char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  if (argc != 4) {
    fprintf(stderr, "Usage %s <string 1> <string 2>  <length>\n", argv[0]);
    return 1;
  }
  return F4004ec((int64_t)argv[1], (int64_t)argv[2], (int64_t)atol(argv[3]));
}


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   $0x4,-0x8(%rbp)
je     1178 <main+0x48>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe99(%rip),%rsi
call   1030 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11ab <main+0x7b>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %eax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rax
mov    %eax,-0x14(%rbp)
mov    -0x10(%rbp),%rax
mov    0x18(%rax),%rdi
call   1040 <atol@plt>
mov    -0x18(%rbp),%edi
mov    -0x14(%rbp),%esi
mov    %eax,%edx
call   1050 <F4004ec@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
cmp    $0x4,%edi
jne    1158 <main+0x28>
mov    0x8(%rsi),%ebx
mov    0x10(%rsi),%ebp
mov    0x18(%rsi),%rdi
call   1040 <atol@plt>
mov    %ebx,%edi
mov    %ebp,%esi
mov    %eax,%edx
add    $0x8,%rsp
pop    %rbx
pop    %rbp
jmp    1050 <F4004ec@plt>
mov    0x2e81(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe95(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0x1,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [42 x i8] c"Usage %s <string 1> <string 2> <length>\0A\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 ne i32 %6, 4
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str, i64 0, i64 0), i8* %12)
store i32 1, i32* %3
br label %29
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = ptrtoint i8* %17 to i32
%19 = load i8**, i8*** %5
%20 = getelementptr inbounds i8*, i8** %19, i64 2
%21 = load i8*, i8** %20
%22 = ptrtoint i8* %21 to i32
%23 = load i8**, i8*** %5
%24 = getelementptr inbounds i8*, i8** %23, i64 3
%25 = load i8*, i8** %24
%26 = call i64 @atol(i8* %25)
%27 = trunc i64 %26 to i32
%28 = call i32 @F4004ec(i32 %18, i32 %22, i32 %27)
store i32 %28, i32* %3
br label %29
29: ; preds = %14, %8
%30 = load i32, i32* %3
ret i32 %30
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [42 x i8] c"Usage %s <string 1> <string 2> <length>\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 4
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %22
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = ptrtoint i8* %10 to i64
%12 = trunc i64 %11 to i32
%13 = getelementptr inbounds i8*, i8** %1, i64 2
%14 = load i8*, i8** %13
%15 = ptrtoint i8* %14 to i64
%16 = trunc i64 %15 to i32
%17 = getelementptr inbounds i8*, i8** %1, i64 3
%18 = load i8*, i8** %17
%19 = tail call i64 @atol(i8* %18)
%20 = trunc i64 %19 to i32
%21 = tail call i32 @F4004ec(i32 %12, i32 %16, i32 %20)
br label %22
22: ; preds = %8, %4
%23 = phi i32 [ 1, %4 ], [ %21, %8 ]
ret i32 %23
}