#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*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *msg) {
  printf("%s\n", msg);
  printf("Usage: runtrace -f <file> -s <shellprog> [-hV]\n");
  printf("Options:\n");
  printf("  -h            Print this message\n");
  printf("  -s <shell>    Shell program to test (default ./tsh)\n");
  printf("  -f <file>     Trace file\n");
  printf("  -V            Be more verbose\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf2a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
call   1030 <puts@plt>
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf34(%rip),%rdi
call   1030 <puts@plt>
lea    0xf43(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
@.str.1 = [48 x i8] c"Usage: runtrace -f <file> -s <shellprog> [-hV]\0A\00"
@.str.2 = [10 x i8] c"Options:\0A\00"
@.str.3 = [36 x i8] c" -h Print this message\0A\00"
@.str.4 = [55 x i8] c" -s <shell> Shell program to test (default ./tsh)\0A\00"
@.str.5 = [28 x i8] c" -f <file> Trace file\0A\00"
@.str.6 = [33 x i8] c" -V Be more verbose\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@str = [47 x i8] c"Usage: runtrace -f <file> -s <shellprog> [-hV]\00"
@str.7 = [9 x i8] c"Options:\00"
@str.8 = [35 x i8] c" -h Print this message\00"
@str.9 = [54 x i8] c" -s <shell> Shell program to test (default ./tsh)\00"
@str.10 = [27 x i8] c" -f <file> Trace file\00"
@str.11 = [32 x i8] c" -V Be more verbose\00"
define void @usage(i8* nocapture %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.11, i64 0, i64 0))
%9 = tail call i32 @exit(i32 0)
unreachable
}