#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(stderr, "usage: %s <ver1> <ver2>\n\n", "vercmp");
  fprintf(stderr, "return values:\n");
  fprintf(stderr, "  < 0 : if ver1 < ver2\n");
  fprintf(stderr, "    0 : if ver1 == ver2\n");
  fprintf(stderr, "  > 0 : if ver1 > ver2\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
lea    0xeef(%rip),%rdx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea7(%rip),%rax
mov    (%rax),%edi
lea    0xedf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e90(%rip),%rax
mov    (%rax),%edi
lea    0xed8(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xed9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e62(%rip),%rax
mov    (%rax),%edi
lea    0xedb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
lea    0xef2(%rip),%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef1(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xefa(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [26 x i8] c"usage: %s <ver1> <ver2>\0A\0A\00"
@.str.1 = [7 x i8] c"vercmp\00"
@.str.2 = [16 x i8] c"return values:\0A\00"
@.str.3 = [24 x i8] c" < 0 : if ver1 < ver2\0A\00"
@.str.4 = [25 x i8] c" 0 : if ver1 == ver2\0A\00"
@.str.5 = [24 x i8] c" > 0 : if ver1 > ver2\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [26 x i8] c"usage: %s <ver1> <ver2>\0A\0A\00"
@.str.1 = [7 x i8] c"vercmp\00"
@.str.2 = [16 x i8] c"return values:\0A\00"
@.str.3 = [24 x i8] c" < 0 : if ver1 < ver2\0A\00"
@.str.4 = [25 x i8] c" 0 : if ver1 == ver2\0A\00"
@.str.5 = [24 x i8] c" > 0 : if ver1 > ver2\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0))
ret void
}