#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 *, ...);
int /*<<< orphan*/ puts(char *);
void print_usage(const char *prog) {
  printf("\n\npressure - Read and print air pressure and temperature from "
         "BMP085 via I2C.\n\n");
  printf("Usage: %s [-aAdtTpm]\n", prog);
  puts("  -a --address\t\t sets the I2C bus address of the BMP085 sensor;\n"
       "  -A --altitude\t\t calcluate and print the altitude;\n"
       "  -d --device\t\t set the I2C device (defualt is /dev/i2c-0);\n"
       "  -m --mode\t\t sets the measurement mode. Default value 1 = STANDARD. "
       "Allowed values:\n"
       "                                            0 = ULTRA LOW POWER\n"
       "                                            1 = STANDARD\n"
       "                                            2 = HIGH RESOLUTION\n"
       "                                            3 = ULTRA HIGH RESOLUTION\n"
       "  -p --pressure\t\t measure the atmospheric pressure and print the "
       "value;\n"
       "  -t --table\t\t print callibration table;\n"
       "  -T --temperature\t measure temperature and print the value in C;\n");
  exit(1);
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xebd(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xefb(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf03(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<print_usage>:
push   %rbx
mov    %rdi,%rbx
lea    0x1193(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb9(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xebe(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [80 x i8] c"\0A\0Apressure - Read and print air pressure and temperature from BMP085 via I2C.\0A\0A\00"
@.str.1 = [22 x i8] c"Usage: %s [-aAdtTpm]\0A\00"
@.str.2 = [696 x i8] c" -a --address\09\09 sets the I2C bus address of the BMP085 sensor;\0A -A --altitude\09\09 calcluate and print the altitude;\0A -d --device\09\09 set the I2C device (defualt is /dev/i2c-0);\0A -m --mode\09\09 sets the measurement mode. Default value 1 = STANDARD. Allowed values:\0A 0 = ULTRA LOW POWER\0A 1 = STANDARD\0A 2 = HIGH RESOLUTION\0A 3 = ULTRA HIGH RESOLUTION\0A -p --pressure\09\09 measure the atmospheric pressure and print the value;\0A -t --table\09\09 print callibration table;\0A -T --temperature\09 measure temperature and print the value in C;\0A\00"
define void @print_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = call i32 @puts(i8* getelementptr inbounds ([696 x i8], [696 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str.1 = [22 x i8] c"Usage: %s [-aAdtTpm]\0A\00"
@.str.2 = [696 x i8] c" -a --address\09\09 sets the I2C bus address of the BMP085 sensor;\0A -A --altitude\09\09 calcluate and print the altitude;\0A -d --device\09\09 set the I2C device (defualt is /dev/i2c-0);\0A -m --mode\09\09 sets the measurement mode. Default value 1 = STANDARD. Allowed values:\0A 0 = ULTRA LOW POWER\0A 1 = STANDARD\0A 2 = HIGH RESOLUTION\0A 3 = ULTRA HIGH RESOLUTION\0A -p --pressure\09\09 measure the atmospheric pressure and print the value;\0A -t --table\09\09 print callibration table;\0A -T --temperature\09 measure temperature and print the value in C;\0A\00"
@str = [79 x i8] c"\0A\0Apressure - Read and print air pressure and temperature from BMP085 via I2C.\0A\00"
define void @print_usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([79 x i8], [79 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([696 x i8], [696 x i8]* @.str.2, i64 0, i64 0))
%5 = tail call i32 @exit(i32 1)
unreachable
}