#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);
int /*<<< orphan*/ printf(char *, ...);
void Usage(char *prgname) {
  printf("Usage: %s\n", prgname);
  printf("  -h     this text\n");
  printf("  -T     temperature at left wall\n");
  printf("  -t     initial temperature\n");
  printf("  -N     number of particles\n");
  printf("  -n     number of collision to simulate\n");
  printf("  -d     (number) density\n");
  printf("  -R     radius of particles\n");
  printf("  -e     elasticity\n");
  exit(-1);
}


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    0xec6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf2a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf3a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<Usage>:
push   %rax
mov    %rdi,%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec2(%rip),%rdi
call   1030 <puts@plt>
lea    0xec9(%rip),%rdi
call   1030 <puts@plt>
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xef0(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3d(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [11 x i8] c"Usage: %s\0A\00"
@.str.1 = [20 x i8] c" -h this text\0A\00"
@.str.2 = [35 x i8] c" -T temperature at left wall\0A\00"
@.str.3 = [30 x i8] c" -t initial temperature\0A\00"
@.str.4 = [30 x i8] c" -N number of particles\0A\00"
@.str.5 = [42 x i8] c" -n number of collision to simulate\0A\00"
@.str.6 = [27 x i8] c" -d (number) density\0A\00"
@.str.7 = [30 x i8] c" -R radius of particles\0A\00"
@.str.8 = [21 x i8] c" -e elasticity\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 ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.8, i64 0, i64 0))
%13 = call i32 @exit(i32 -1)
unreachable
}

LLVM IR (-O2):
@.str = [11 x i8] c"Usage: %s\0A\00"
@str = [19 x i8] c" -h this text\00"
@str.9 = [34 x i8] c" -T temperature at left wall\00"
@str.10 = [29 x i8] c" -t initial temperature\00"
@str.11 = [29 x i8] c" -N number of particles\00"
@str.12 = [41 x i8] c" -n number of collision to simulate\00"
@str.13 = [26 x i8] c" -d (number) density\00"
@str.14 = [29 x i8] c" -R radius of particles\00"
@str.15 = [20 x i8] c" -e elasticity\00"
define void @Usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.12, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.13, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.14, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.15, i64 0, i64 0))
%11 = tail call i32 @exit(i32 -1)
unreachable
}