#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 */
unsigned long mgetsize(unsigned long *, unsigned long *);
unsigned long mgetuleb128();
int /*<<< orphan*/ mputuleb128(unsigned long);
scalar_t__ msetsize(unsigned long, unsigned long, long);
scalar_t__ msynch();
long section_function() {
  unsigned long off0, off1;
  unsigned long len;
  unsigned long count;
  long delta = 0;
  len = mgetsize(&off0, &off1);
  if (len) {
    msynch();
    mputuleb128(count = mgetuleb128());
    delta += msynch();
    while (count--) {
      mputuleb128(mgetuleb128());
      delta += msynch();
    }
    delta += msetsize(off0, off1, delta);
  } else {
    delta += msynch();
  }
  return delta;
}


x86 assembly (clang, -O0):
<section_function>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movq   $0x0,-0x28(%rbp)
lea    -0x8(%rbp),%rdi
lea    -0x10(%rbp),%rsi
call   1030 <mgetsize@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
je     11ff <section_function+0xaf>
mov    $0x0,%al
call   1070 <msynch@plt>
mov    $0x0,%al
call   1050 <mgetuleb128@plt>
mov    %rax,%rdi
mov    %rdi,-0x20(%rbp)
call   1060 <mputuleb128@plt>
mov    $0x0,%al
call   1070 <msynch@plt>
add    -0x28(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x20(%rbp),%rax
mov    %rax,%rcx
add    $0xffffffffffffffff,%rcx
mov    %rcx,-0x20(%rbp)
cmp    $0x0,%rax
je     11e1 <section_function+0x91>
mov    $0x0,%al
call   1050 <mgetuleb128@plt>
mov    %rax,%rdi
call   1060 <mputuleb128@plt>
mov    $0x0,%al
call   1070 <msynch@plt>
add    -0x28(%rbp),%rax
mov    %rax,-0x28(%rbp)
jmp    11a5 <section_function+0x55>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x28(%rbp),%rdx
call   1040 <msetsize@plt>
add    -0x28(%rbp),%rax
mov    %rax,-0x28(%rbp)
jmp    120e <section_function+0xbe>
mov    $0x0,%al
call   1070 <msynch@plt>
add    -0x28(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x28(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<section_function>:
push   %r14
push   %rbx
sub    $0x18,%rsp
lea    0x10(%rsp),%rdi
lea    0x8(%rsp),%rsi
call   1030 <mgetsize@plt>
mov    %rax,%rbx
xor    %eax,%eax
call   1070 <msynch@plt>
test   %rbx,%rbx
je     11d4 <section_function+0x84>
xor    %eax,%eax
call   1050 <mgetuleb128@plt>
mov    %rax,%rbx
mov    %rax,%rdi
call   1060 <mputuleb128@plt>
xor    %eax,%eax
call   1070 <msynch@plt>
mov    %rax,%r14
test   %rbx,%rbx
je     11bf <section_function+0x6f>
cs nopw 0x0(%rax,%rax,1)
xor    %eax,%eax
call   1050 <mgetuleb128@plt>
mov    %rax,%rdi
call   1060 <mputuleb128@plt>
xor    %eax,%eax
call   1070 <msynch@plt>
add    %rax,%r14
add    $0xffffffffffffffff,%rbx
jne    11a0 <section_function+0x50>
mov    0x10(%rsp),%rdi
mov    0x8(%rsp),%rsi
mov    %r14,%rdx
call   1040 <msetsize@plt>
add    %r14,%rax
add    $0x18,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
define i64 @section_function() {
%1 = alloca i64
%2 = alloca i64
%3 = alloca i64
%4 = alloca i64
%5 = alloca i64
store i64 0, i64* %5
%6 = call i64 @mgetsize(i64* %1, i64* %2)
store i64 %6, i64* %3
%7 = load i64, i64* %3
%8 = icmp ne i64 %7, 0
br i1 %8, label %9, label %33
9: ; preds = %0
%10 = call i64 (...) @msynch()
%11 = call i64 (...) @mgetuleb128()
store i64 %11, i64* %4
%12 = call i32 @mputuleb128(i64 %11)
%13 = call i64 (...) @msynch()
%14 = load i64, i64* %5
%15 = add nsw i64 %14, %13
store i64 %15, i64* %5
br label %16
16: ; preds = %20, %9
%17 = load i64, i64* %4
%18 = add i64 %17, -1
store i64 %18, i64* %4
%19 = icmp ne i64 %17, 0
br i1 %19, label %20, label %26
20: ; preds = %16
%21 = call i64 (...) @mgetuleb128()
%22 = call i32 @mputuleb128(i64 %21)
%23 = call i64 (...) @msynch()
%24 = load i64, i64* %5
%25 = add nsw i64 %24, %23
store i64 %25, i64* %5
br label %16
26: ; preds = %16
%27 = load i64, i64* %1
%28 = load i64, i64* %2
%29 = load i64, i64* %5
%30 = call i64 @msetsize(i64 %27, i64 %28, i64 %29)
%31 = load i64, i64* %5
%32 = add nsw i64 %31, %30
store i64 %32, i64* %5
br label %37
33: ; preds = %0
%34 = call i64 (...) @msynch()
%35 = load i64, i64* %5
%36 = add nsw i64 %35, %34
store i64 %36, i64* %5
br label %37
37: ; preds = %33, %26
%38 = load i64, i64* %5
ret i64 %38
}

LLVM IR (-O2):
define i64 @section_function() {
%1 = alloca i64
%2 = alloca i64
%3 = bitcast i64* %1 to i8*
%4 = bitcast i64* %2 to i8*
%5 = call i64 @mgetsize(i64* %1, i64* %2)
%6 = icmp eq i64 %5, 0
%7 = call i64 (...) @msynch()
br i1 %6, label %28, label %8
8: ; preds = %0
%9 = call i64 (...) @mgetuleb128()
%10 = call i32 @mputuleb128(i64 %9)
%11 = call i64 (...) @msynch()
%12 = icmp eq i64 %9, 0
br i1 %12, label %22, label %13
13: ; preds = %8, %13
%14 = phi i64 [ %20, %13 ], [ %11, %8 ]
%15 = phi i64 [ %16, %13 ], [ %9, %8 ]
%16 = add i64 %15, -1
%17 = call i64 (...) @mgetuleb128()
%18 = call i32 @mputuleb128(i64 %17)
%19 = call i64 (...) @msynch()
%20 = add nsw i64 %19, %14
%21 = icmp eq i64 %16, 0
br i1 %21, label %22, label %13
22: ; preds = %13, %8
%23 = phi i64 [ %11, %8 ], [ %20, %13 ]
%24 = load i64, i64* %1
%25 = load i64, i64* %2
%26 = call i64 @msetsize(i64 %24, i64 %25, i64 %23)
%27 = add nsw i64 %26, %23
br label %28
28: ; preds = %0, %22
%29 = phi i64 [ %27, %22 ], [ %7, %0 ]
ret i64 %29
}