#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*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stdout;
void usage() {
  fprintf(stdout, "Usage: randdd -f /dev/device [-R seed] -G size (GiB) -v "
                  "(verify) -n gaps (number of locations)\n");
  fprintf(stdout, "\nWrite random/patterned data. Instant hard reboot after "
                  "writing to test persistence.\n");
  fprintf(stdout, "\nExample:\n");
  fprintf(stdout,
          "  randdd -f /dev/device -G 1 && echo sysreboot/hard reboot:\n");
  fprintf(stdout, "  ... after restart ...\n");
  fprintf(stdout, "  randdd -f /dev/device -G 1 -v && echo OK\n");
  fprintf(stdout, "\n");
  fprintf(stdout, "  # write 11 locations/10 gaps across the full device\n");
  fprintf(stdout, "  randdd -f /dev/device -G 1 -n 10\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2eb0(%rip),%rax
mov    (%rax),%edi
lea    0xf27(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xf68(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xf5e(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xf86(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e5c(%rip),%rax
mov    (%rax),%edi
lea    0xf8a(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e47(%rip),%rax
mov    (%rax),%edi
lea    0xebc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e32(%rip),%rax
mov    (%rax),%edi
lea    0xf8c(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e1d(%rip),%rax
mov    (%rax),%edi
lea    0xfae(%rip),%rsi
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf31(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf79(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf76(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfa5(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfb0(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee9(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfc0(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfe9(%rip),%rsi
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stdout = global i32 0
@.str = [96 x i8] c"Usage: randdd -f /dev/device [-R seed] -G size (GiB) -v (verify) -n gaps (number of locations)\0A\00"
@.str.1 = [86 x i8] c"\0AWrite random/patterned data. Instant hard reboot after writing to test persistence.\0A\00"
@.str.2 = [11 x i8] c"\0AExample:\0A\00"
@.str.3 = [61 x i8] c" randdd -f /dev/device -G 1 && echo sysreboot/hard reboot:\0A\00"
@.str.4 = [25 x i8] c" ... after restart ...\0A\00"
@.str.5 = [44 x i8] c" randdd -f /dev/device -G 1 -v && echo OK\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
@.str.7 = [55 x i8] c" # write 11 locations/10 gaps across the full device\0A\00"
@.str.8 = [36 x i8] c" randdd -f /dev/device -G 1 -n 10\0A\00"
define void @usage() {
%1 = load i32, i32* @stdout
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([96 x i8], [96 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stdout
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([86 x i8], [86 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stdout
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stdout
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stdout
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stdout
%12 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stdout
%14 = call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @stdout
%16 = call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.7, i64 0, i64 0))
%17 = load i32, i32* @stdout
%18 = call i32 @fprintf(i32 %17, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.8, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stdout = global i32 0
@.str = [96 x i8] c"Usage: randdd -f /dev/device [-R seed] -G size (GiB) -v (verify) -n gaps (number of locations)\0A\00"
@.str.1 = [86 x i8] c"\0AWrite random/patterned data. Instant hard reboot after writing to test persistence.\0A\00"
@.str.2 = [11 x i8] c"\0AExample:\0A\00"
@.str.3 = [61 x i8] c" randdd -f /dev/device -G 1 && echo sysreboot/hard reboot:\0A\00"
@.str.4 = [25 x i8] c" ... after restart ...\0A\00"
@.str.5 = [44 x i8] c" randdd -f /dev/device -G 1 -v && echo OK\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
@.str.7 = [55 x i8] c" # write 11 locations/10 gaps across the full device\0A\00"
@.str.8 = [36 x i8] c" randdd -f /dev/device -G 1 -n 10\0A\00"
define void @usage() {
%1 = load i32, i32* @stdout
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([96 x i8], [96 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stdout
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([86 x i8], [86 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stdout
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stdout
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stdout
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stdout
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stdout
%14 = tail call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @stdout
%16 = tail call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.7, i64 0, i64 0))
%17 = load i32, i32* @stdout
%18 = tail call i32 @fprintf(i32 %17, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.8, i64 0, i64 0))
ret void
}