#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 *progname) {
  printf("Usage: %s [-e | -c] dump_file\n", progname);
  printf("Where: -e         Dump is from an EMC model\n");
  printf("       -c         Dump is from a Commander II model\n");
  printf("       -d         Dump is from a Commander I model (pre-21000)\n");
  printf("       -t         Dump is from a Commander TM model (circa 1995)\n");
  printf("       dump_file  Is the file containing the dive computer dump.\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    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf20(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf52(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf86(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%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    0xed6(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf51(%rip),%rdi
call   1030 <puts@plt>
lea    0xf86(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [31 x i8] c"Usage: %s [-e | -c] dump_file\0A\00"
@.str.1 = [45 x i8] c"Where: -e Dump is from an EMC model\0A\00"
@.str.2 = [53 x i8] c" -c Dump is from a Commander II model\0A\00"
@.str.3 = [64 x i8] c" -d Dump is from a Commander I model (pre-21000)\0A\00"
@.str.4 = [66 x i8] c" -t Dump is from a Commander TM model (circa 1995)\0A\00"
@.str.5 = [66 x i8] c" dump_file Is the file containing the dive computer dump.\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 ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str = [31 x i8] c"Usage: %s [-e | -c] dump_file\0A\00"
@str = [44 x i8] c"Where: -e Dump is from an EMC model\00"
@str.6 = [52 x i8] c" -c Dump is from a Commander II model\00"
@str.7 = [63 x i8] c" -d Dump is from a Commander I model (pre-21000)\00"
@str.8 = [65 x i8] c" -t Dump is from a Commander TM model (circa 1995)\00"
@str.9 = [65 x i8] c" dump_file Is the file containing the dive computer dump.\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([52 x i8], [52 x i8]* @str.6, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @str.7, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([65 x i8], [65 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([65 x i8], [65 x i8]* @str.9, i64 0, i64 0))
%8 = tail call i32 @exit(i32 1)
unreachable
}