#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 scalar_t__ pid_t;
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, long);
int dropMutex(pid_t pid) {
  FILE *fout = fopen("/tmp/.LazyLinux", "w+");
  if (fout == NULL) {
    return -1;
  }
  fprintf(fout, "%ld", (long int)pid);
  fclose(fout);
  return 0;
}


x86 assembly (clang, -O0):
<dropMutex>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
lea    0xebd(%rip),%rdi
lea    0xec6(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    116a <dropMutex+0x3a>
movl   $0xffffffff,-0x4(%rbp)
jmp    118e <dropMutex+0x5e>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rdx
lea    0xe9a(%rip),%rsi
call   1040 <fprintf@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dropMutex>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
lea    0xec2(%rip),%rdi
lea    0xecb(%rip),%rsi
call   1050 <fopen@plt>
test   %rax,%rax
je     1170 <dropMutex+0x40>
mov    %rax,%rbx
lea    0xeba(%rip),%rsi
mov    %rax,%rdi
mov    %r14,%rdx
call   1040 <fprintf@plt>
mov    %rbx,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
jmp    1175 <dropMutex+0x45>
mov    $0xffffffff,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [16 x i8] c"/tmp/.LazyLinux\00"
@.str.1 = [3 x i8] c"w+\00"
@.str.2 = [4 x i8] c"%ld\00"
define i32 @dropMutex(i64 %0) {
%2 = alloca i32
%3 = alloca i64
%4 = alloca i32*
store i64 %0, i64* %3
%5 = call i32* @fopen(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
store i32* %5, i32** %4
%6 = load i32*, i32** %4
%7 = icmp eq i32* %6, null
br i1 %7, label %8, label %9
8: ; preds = %1
store i32 -1, i32* %2
br label %15
9: ; preds = %1
%10 = load i32*, i32** %4
%11 = load i64, i64* %3
%12 = call i32 @fprintf(i32* %10, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i64 %11)
%13 = load i32*, i32** %4
%14 = call i32 @fclose(i32* %13)
store i32 0, i32* %2
br label %15
15: ; preds = %9, %8
%16 = load i32, i32* %2
ret i32 %16
}

LLVM IR (-O2):
@.str = [16 x i8] c"/tmp/.LazyLinux\00"
@.str.1 = [3 x i8] c"w+\00"
@.str.2 = [4 x i8] c"%ld\00"
define i32 @dropMutex(i64 %0) {
%2 = tail call i32* @fopen(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%3 = icmp eq i32* %2, null
br i1 %3, label %7, label %4
4: ; preds = %1
%5 = tail call i32 @fprintf(i32* %2, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i64 %0)
%6 = tail call i32 @fclose(i32* %2)
br label %7
7: ; preds = %1, %4
%8 = phi i32 [ 0, %4 ], [ -1, %1 ]
ret i32 %8
}