#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 */
char *dirname(char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ printf(char *, char *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  if (argc != 2) {
    fprintf(stderr, "USAGE:\t%s <path>\n", argv[0]);
    fprintf(stderr, "\tPrint the directory component of 'path'\n");
    return 1;
  };
  printf("%s\n", dirname(argv[1]));
}


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)
je     1191 <main+0x61>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe99(%rip),%rsi
mov    $0x0,%al
call   1050 <fprintf@plt>
mov    0x2e6b(%rip),%rax
mov    (%rax),%edi
lea    0xe94(%rip),%rsi
mov    $0x0,%al
call   1050 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11ad <main+0x7d>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <dirname@plt>
mov    %rax,%rsi
lea    0xe94(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x2,%edi
jne    1152 <main+0x22>
mov    0x8(%rsi),%rdi
call   1040 <dirname@plt>
lea    0xef6(%rip),%rdi
mov    %rax,%rsi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    0x2e87(%rip),%rbx
mov    (%rbx),%edi
mov    (%rsi),%rdx
lea    0xe9b(%rip),%rsi
xor    %eax,%eax
call   1050 <fprintf@plt>
mov    (%rbx),%edi
lea    0xe9d(%rip),%rsi
xor    %eax,%eax
call   1050 <fprintf@plt>
mov    $0x1,%eax
pop    %rbx
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [18 x i8] c"USAGE:\09%s <path>\0A\00"
@.str.1 = [42 x i8] c"\09Print the directory component of 'path'\0A\00"
@.str.2 = [4 x i8] c"%s\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, 2
br i1 %7, label %8, label %16
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 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %12)
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.1, i64 0, i64 0))
store i32 1, i32* %3
br label %22
16: ; preds = %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i8* @dirname(i8* %19)
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* %20)
br label %22
22: ; preds = %16, %8
%23 = load i32, i32* %3
ret i32 %23
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [18 x i8] c"USAGE:\09%s <path>\0A\00"
@.str.1 = [42 x i8] c"\09Print the directory component of 'path'\0A\00"
@.str.2 = [4 x i8] c"%s\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %10, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.1, i64 0, i64 0))
br label %15
10: ; preds = %2
%11 = getelementptr inbounds i8*, i8** %1, i64 1
%12 = load i8*, i8** %11
%13 = tail call i8* @dirname(i8* %12)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* %13)
br label %15
15: ; preds = %10, %4
%16 = phi i32 [ 1, %4 ], [ 0, %10 ]
ret i32 %16
}