#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 */
int is_label_anonymous(char *);
scalar_t__ strncmp(char *, char *, int);
int is_label_ok_for_sizeof(char *label) {
  if (is_label_anonymous(label) == 1)
    return 0;
  if (strncmp("SECTIONSTART", label, 12) == 0)
    return 0;
  if (strncmp("SECTIONEND", label, 10) == 0)
    return 0;
  return 1;
}


x86 assembly (clang, -O0):
<is_label_ok_for_sizeof>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
call   1030 <is_label_anonymous@plt>
cmp    $0x1,%eax
jne    114a <is_label_ok_for_sizeof+0x2a>
movl   $0x0,-0x4(%rbp)
jmp    11a7 <is_label_ok_for_sizeof+0x87>
mov    -0x10(%rbp),%rsi
lea    0xeab(%rip),%rdi
mov    $0xc,%edx
call   1040 <strncmp@plt>
cmp    $0x0,%rax
jne    1175 <is_label_ok_for_sizeof+0x55>
movl   $0x0,-0x4(%rbp)
jmp    11a7 <is_label_ok_for_sizeof+0x87>
mov    -0x10(%rbp),%rsi
lea    0xe8d(%rip),%rdi
mov    $0xa,%edx
call   1040 <strncmp@plt>
cmp    $0x0,%rax
jne    11a0 <is_label_ok_for_sizeof+0x80>
movl   $0x0,-0x4(%rbp)
jmp    11a7 <is_label_ok_for_sizeof+0x87>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<is_label_ok_for_sizeof>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
call   1030 <is_label_anonymous@plt>
xor    %ebp,%ebp
cmp    $0x1,%eax
je     1168 <is_label_ok_for_sizeof+0x48>
lea    0xec7(%rip),%rdi
mov    %rbx,%rsi
mov    $0xc,%edx
call   1040 <strncmp@plt>
test   %rax,%rax
je     1168 <is_label_ok_for_sizeof+0x48>
lea    0xebb(%rip),%rdi
mov    %rbx,%rsi
mov    $0xa,%edx
call   1040 <strncmp@plt>
xor    %ebp,%ebp
test   %rax,%rax
setne  %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [13 x i8] c"SECTIONSTART\00"
@.str.1 = [11 x i8] c"SECTIONEND\00"
define i32 @is_label_ok_for_sizeof(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i32 @is_label_anonymous(i8* %4)
%6 = icmp eq i32 %5, 1
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 0, i32* %2
br label %19
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strncmp(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* %9, i32 12)
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 0, i32* %2
br label %19
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i64 @strncmp(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* %14, i32 10)
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 0, i32* %2
br label %19
18: ; preds = %13
store i32 1, i32* %2
br label %19
19: ; preds = %18, %17, %12, %7
%20 = load i32, i32* %2
ret i32 %20
}

LLVM IR (-O2):
@.str = [13 x i8] c"SECTIONSTART\00"
@.str.1 = [11 x i8] c"SECTIONEND\00"
define i32 @is_label_ok_for_sizeof(i8* %0) {
%2 = tail call i32 @is_label_anonymous(i8* %0)
%3 = icmp eq i32 %2, 1
br i1 %3, label %11, label %4
4: ; preds = %1
%5 = tail call i64 @strncmp(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* %0, i32 12)
%6 = icmp eq i64 %5, 0
br i1 %6, label %11, label %7
7: ; preds = %4
%8 = tail call i64 @strncmp(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* %0, i32 10)
%9 = icmp ne i64 %8, 0
%10 = zext i1 %9 to i32
br label %11
11: ; preds = %7, %4, %1
%12 = phi i32 [ 0, %1 ], [ 0, %4 ], [ %10, %7 ]
ret i32 %12
}