#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*/ printf(char *, ...);
void usage(char *exec) {
  printf("Usage: \n");
  printf("\tRead Mode:\n");
  printf("\t\t%s <snapshot>\n", exec);
  printf("\tWrite Mode:\n");
  printf("\t\t%s <src_snapshot> <dst_snapshot>\n", exec);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xed3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xf0a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf06(%rip),%rdi
call   1030 <puts@plt>
lea    0xebd(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb1(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
pop    %rbx
jmp    1040 <printf@plt>

LLVM IR (-O0):
@.str = [9 x i8] c"Usage: \0A\00"
@.str.1 = [13 x i8] c"\09Read Mode:\0A\00"
@.str.2 = [17 x i8] c"\09\09%s <snapshot>\0A\00"
@.str.3 = [14 x i8] c"\09Write Mode:\0A\00"
@.str.4 = [36 x i8] c"\09\09%s <src_snapshot> <dst_snapshot>\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%5 = load i8*, i8** %2
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0))
%8 = load i8*, i8** %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.4, i64 0, i64 0), i8* %8)
ret void
}

LLVM IR (-O2):
@.str.2 = [17 x i8] c"\09\09%s <snapshot>\0A\00"
@.str.4 = [36 x i8] c"\09\09%s <src_snapshot> <dst_snapshot>\0A\00"
@str = [8 x i8] c"Usage: \00"
@str.5 = [12 x i8] c"\09Read Mode:\00"
@str.6 = [13 x i8] c"\09Write Mode:\00"
define void @usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.5, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @.str.4, i64 0, i64 0), i8* %0)
ret void
}