#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 dirfile {
  int dummy;
};

/* Variables and functions */
int /*<<< orphan*/ free(struct dirfile **);
int /*<<< orphan*/ freedf(struct dirfile *);
int freedfN(struct dirfile **df, int n) {
  int i;
  for (i = 0; i < n; i++)
    if (df[i])
      freedf(df[i]);
  free(df);
  return (0);
}


x86 assembly (clang, -O0):
<freedfN>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1179 <freedfN+0x59>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
cmpq   $0x0,(%rax,%rcx,8)
je     1166 <freedfN+0x46>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1040 <freedf@plt>
jmp    116b <freedfN+0x4b>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1136 <freedfN+0x16>
mov    -0x8(%rbp),%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<freedfN>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r14
test   %esi,%esi
jle    1159 <freedfN+0x39>
mov    %esi,%r15d
xor    %ebx,%ebx
jmp    1149 <freedfN+0x29>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
add    $0x1,%rbx
cmp    %rbx,%r15
je     1159 <freedfN+0x39>
mov    (%r14,%rbx,8),%rdi
test   %rdi,%rdi
je     1140 <freedfN+0x20>
call   1040 <freedf@plt>
jmp    1140 <freedfN+0x20>
mov    %r14,%rdi
call   1030 <free@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
%struct.dirfile = type { i32 }
define i32 @freedfN(%struct.dirfile** %0, i32 %1) {
%3 = alloca %struct.dirfile**
%4 = alloca i32
%5 = alloca i32
store %struct.dirfile** %0, %struct.dirfile*** %3
store i32 %1, i32* %4
store i32 0, i32* %5
br label %6
6: ; preds = %25, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %28
10: ; preds = %6
%11 = load %struct.dirfile**, %struct.dirfile*** %3
%12 = load i32, i32* %5
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds %struct.dirfile*, %struct.dirfile** %11, i64 %13
%15 = load %struct.dirfile*, %struct.dirfile** %14
%16 = icmp ne %struct.dirfile* %15, null
br i1 %16, label %17, label %24
17: ; preds = %10
%18 = load %struct.dirfile**, %struct.dirfile*** %3
%19 = load i32, i32* %5
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds %struct.dirfile*, %struct.dirfile** %18, i64 %20
%22 = load %struct.dirfile*, %struct.dirfile** %21
%23 = call i32 @freedf(%struct.dirfile* %22)
br label %24
24: ; preds = %17, %10
br label %25
25: ; preds = %24
%26 = load i32, i32* %5
%27 = add nsw i32 %26, 1
store i32 %27, i32* %5
br label %6
28: ; preds = %6
%29 = load %struct.dirfile**, %struct.dirfile*** %3
%30 = call i32 @free(%struct.dirfile** %29)
ret i32 0
}

LLVM IR (-O2):
%struct.dirfile = type { i32 }
define i32 @freedfN(%struct.dirfile** nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %16
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %13
%7 = phi i64 [ 0, %4 ], [ %14, %13 ]
%8 = getelementptr inbounds %struct.dirfile*, %struct.dirfile** %0, i64 %7
%9 = load %struct.dirfile*, %struct.dirfile** %8
%10 = icmp eq %struct.dirfile* %9, null
br i1 %10, label %13, label %11
11: ; preds = %6
%12 = tail call i32 @freedf(%struct.dirfile* %9)
br label %13
13: ; preds = %6, %11
%14 = add nuw nsw i64 %7, 1
%15 = icmp eq i64 %14, %5
br i1 %15, label %16, label %6
16: ; preds = %13, %2
%17 = tail call i32 @free(%struct.dirfile** %0)
ret i32 0
}