#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 */
struct stat {
  int /*<<< orphan*/ st_ino;
};
typedef int /*<<< orphan*/ ino_t;

/* Variables and functions */
int /*<<< orphan*/ EXIT_FAILURE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ perror(char *);
int stat(char *, struct stat *);
int /*<<< orphan*/ stderr;
extern ino_t get_ino(char *dir) {
  struct stat info;
  if (stat(dir, &info) == -1) {
    fprintf(stderr, "Cannot stat ");
    perror(dir);
    exit(EXIT_FAILURE);
  }
  return info.st_ino;
}


x86 assembly (clang, -O0):
<get_ino>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <stat@plt>
cmp    $0xffffffff,%eax
jne    118e <get_ino+0x4e>
mov    0x2e77(%rip),%rax
mov    (%rax),%edi
lea    0xe8e(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%rdi
call   1050 <perror@plt>
mov    0x2e51(%rip),%rax
mov    (%rax),%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_ino>:
push   %rbx
sub    $0x10,%rsp
mov    %rdi,%rbx
lea    0x8(%rsp),%rsi
call   1040 <stat@plt>
cmp    $0xffffffff,%eax
je     1161 <get_ino+0x21>
mov    0x8(%rsp),%eax
add    $0x10,%rsp
pop    %rbx
ret
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
lea    0xe8f(%rip),%rsi
call   1030 <fprintf@plt>
mov    %rbx,%rdi
call   1050 <perror@plt>
mov    0x2e53(%rip),%rax
mov    (%rax),%edi
call   1060 <exit@plt>

LLVM IR (-O0):
%struct.stat = type { i32 }
@stderr = global i32 0
@.str = [13 x i8] c"Cannot stat \00"
@EXIT_FAILURE = global i32 0
define i32 @get_ino(i8* %0) {
%2 = alloca i8*
%3 = alloca %struct.stat
store i8* %0, i8** %2
%4 = load i8*, i8** %2
%5 = call i32 @stat(i8* %4, %struct.stat* %3)
%6 = icmp eq i32 %5, -1
br i1 %6, label %7, label %14
7: ; preds = %1
%8 = load i32, i32* @stderr
%9 = call i32 @fprintf(i32 %8, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%10 = load i8*, i8** %2
%11 = call i32 @perror(i8* %10)
%12 = load i32, i32* @EXIT_FAILURE
%13 = call i32 @exit(i32 %12)
unreachable
14: ; preds = %1
%15 = getelementptr inbounds %struct.stat, %struct.stat* %3, i32 0, i32 0
%16 = load i32, i32* %15
ret i32 %16
}

LLVM IR (-O2):
%struct.stat = type { i32 }
@stderr = global i32 0
@.str = [13 x i8] c"Cannot stat \00"
@EXIT_FAILURE = global i32 0
define i32 @get_ino(i8* nocapture %0) {
%2 = alloca %struct.stat
%3 = bitcast %struct.stat* %2 to i8*
%4 = call i32 @stat(i8* %0, %struct.stat* %2)
%5 = icmp eq i32 %4, -1
br i1 %5, label %6, label %12
6: ; preds = %1
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%9 = tail call i32 @perror(i8* %0)
%10 = load i32, i32* @EXIT_FAILURE
%11 = tail call i32 @exit(i32 %10)
unreachable
12: ; preds = %1
%13 = getelementptr inbounds %struct.stat, %struct.stat* %2, i64 0, i32 0
%14 = load i32, i32* %13
ret i32 %14
}