#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 /*<<< orphan*/ assert(int);
scalar_t__ memcmp(char const *, char *, int);
int main() {
  const char *test = "blubber";
  assert(memcmp(test, "blubber", 8) == 0);
  assert(memcmp(test, "fnord", 5) < 0);
  assert(memcmp(test, 0, 0) == 0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xebb(%rip),%rsi
mov    $0x8,%edx
call   1030 <memcmp@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
mov    -0x10(%rbp),%rdi
lea    0xe9d(%rip),%rsi
mov    $0x5,%edx
call   1030 <memcmp@plt>
cmp    $0x0,%rax
setl   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
mov    -0x10(%rbp),%rdi
xor    %edx,%edx
mov    %edx,%esi
call   1030 <memcmp@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
mov    %rbx,%rsi
mov    $0x8,%edx
call   1030 <memcmp@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   1040 <assert@plt>
lea    0xebb(%rip),%rsi
mov    %rbx,%rdi
mov    $0x5,%edx
call   1030 <memcmp@plt>
shr    $0x3f,%rax
mov    %eax,%edi
call   1040 <assert@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %edx,%edx
call   1030 <memcmp@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   1040 <assert@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [8 x i8] c"blubber\00"
@.str.1 = [6 x i8] c"fnord\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
store i32 0, i32* %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8** %2
%3 = load i8*, i8** %2
%4 = call i64 @memcmp(i8* %3, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 8)
%5 = icmp eq i64 %4, 0
%6 = zext i1 %5 to i32
%7 = call i32 @assert(i32 %6)
%8 = load i8*, i8** %2
%9 = call i64 @memcmp(i8* %8, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 5)
%10 = icmp slt i64 %9, 0
%11 = zext i1 %10 to i32
%12 = call i32 @assert(i32 %11)
%13 = load i8*, i8** %2
%14 = call i64 @memcmp(i8* %13, i8* null, i32 0)
%15 = icmp eq i64 %14, 0
%16 = zext i1 %15 to i32
%17 = call i32 @assert(i32 %16)
ret i32 0
}

LLVM IR (-O2):
@.str = [8 x i8] c"blubber\00"
@.str.1 = [6 x i8] c"fnord\00"
define i32 @main() {
%1 = tail call i64 @memcmp(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 8)
%2 = icmp eq i64 %1, 0
%3 = zext i1 %2 to i32
%4 = tail call i32 @assert(i32 %3)
%5 = tail call i64 @memcmp(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 5)
%6 = lshr i64 %5, 63
%7 = trunc i64 %6 to i32
%8 = tail call i32 @assert(i32 %7)
%9 = tail call i64 @memcmp(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* null, i32 0)
%10 = icmp eq i64 %9, 0
%11 = zext i1 %10 to i32
%12 = tail call i32 @assert(i32 %11)
ret i32 0
}