#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(char *name) {
  fprintf(stderr,
          "Usage: %s [options] /dev/nvme0n1 pattern [pattern options]\n", name);
  fprintf(stderr, "\nOptions:\n");
  fprintf(stderr, "\t-c mode\tMake sure blocks are cached <once/always> before "
                  "reading/writing.\n");
  fprintf(stderr, "\t-j num\tSend commands in parallel on <num> threads.\n");
  fprintf(stderr, "\t-l num\tLimit transfers to <num> blocks/s.\n");
  fprintf(stderr, "\t-L num\tLimit transfers to <num> commands/s.\n");
  fprintf(stderr, "\t-r num\tSet limit resolution to 1/<num> s.\n");
  fprintf(stderr, "\t-t num\tSet execution time to <num> s.\n");
  fprintf(stderr, "\t-g num\tStop after <num> blocks.\n");
  fprintf(stderr, "\t-G num\tStop after <num> commands.\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e92(%rip),%rax
mov    (%rax),%edi
lea    0xee5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
lea    0xed9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e64(%rip),%rax
mov    (%rax),%edi
lea    0xf0e(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
lea    0xf2c(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e36(%rip),%rax
mov    (%rax),%edi
lea    0xf41(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1f(%rip),%rax
mov    (%rax),%edi
lea    0xf58(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e08(%rip),%rax
mov    (%rax),%edi
lea    0xf6d(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2df1(%rip),%rax
mov    (%rax),%edi
lea    0xf7e(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dda(%rip),%rax
mov    (%rax),%edi
lea    0xf89(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2eb5(%rip),%rbx
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef3(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf2f(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf54(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf70(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf8e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfaa(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfc2(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfd4(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [60 x i8] c"Usage: %s [options] /dev/nvme0n1 pattern [pattern options]\0A\00"
@.str.1 = [11 x i8] c"\0AOptions:\0A\00"
@.str.2 = [76 x i8] c"\09-c mode\09Make sure blocks are cached <once/always> before reading/writing.\0A\00"
@.str.3 = [53 x i8] c"\09-j num\09Send commands in parallel on <num> threads.\0A\00"
@.str.4 = [44 x i8] c"\09-l num\09Limit transfers to <num> blocks/s.\0A\00"
@.str.5 = [46 x i8] c"\09-L num\09Limit transfers to <num> commands/s.\0A\00"
@.str.6 = [44 x i8] c"\09-r num\09Set limit resolution to 1/<num> s.\0A\00"
@.str.7 = [40 x i8] c"\09-t num\09Set execution time to <num> s.\0A\00"
@.str.8 = [34 x i8] c"\09-g num\09Stop after <num> blocks.\0A\00"
@.str.9 = [36 x i8] c"\09-G num\09Stop after <num> commands.\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.5, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.6, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.7, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.8, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.9, i64 0, i64 0))
%24 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [60 x i8] c"Usage: %s [options] /dev/nvme0n1 pattern [pattern options]\0A\00"
@.str.1 = [11 x i8] c"\0AOptions:\0A\00"
@.str.2 = [76 x i8] c"\09-c mode\09Make sure blocks are cached <once/always> before reading/writing.\0A\00"
@.str.3 = [53 x i8] c"\09-j num\09Send commands in parallel on <num> threads.\0A\00"
@.str.4 = [44 x i8] c"\09-l num\09Limit transfers to <num> blocks/s.\0A\00"
@.str.5 = [46 x i8] c"\09-L num\09Limit transfers to <num> commands/s.\0A\00"
@.str.6 = [44 x i8] c"\09-r num\09Set limit resolution to 1/<num> s.\0A\00"
@.str.7 = [40 x i8] c"\09-t num\09Set execution time to <num> s.\0A\00"
@.str.8 = [34 x i8] c"\09-g num\09Stop after <num> blocks.\0A\00"
@.str.9 = [36 x i8] c"\09-G num\09Stop after <num> commands.\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.5, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.6, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.7, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.8, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = tail call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.9, i64 0, i64 0))
%22 = tail call i32 @exit(i32 1)
unreachable
}