#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*/ printf(char *, ...);
void display_usage(char *prog_name) {
  printf("\n");
  printf("***  %s  *** \n", prog_name);
  printf("\n");
  printf("Convert faster oscillos to ascii files.\n");
  printf("\n");
  printf("usage : \n");
  printf("       %s  input_file.fast  output_directory  [MAX_NB_FILES]\n",
         prog_name);
  printf("\n");
  printf("Each oscillo found in 'input_file.fast' is dumped to "
         "'output_directory' as an ascii file.\n");
  printf("The number of output files can be limited by MAX_NB_FILES.\n");
  printf("The ascii format is two columns X(ns) Y(mV).\n");
  printf("\n");
  printf("\n");
}


x86 assembly (clang, -O0):
<display_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xeea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xecb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebe(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf32(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe48(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe3a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_usage>:
push   %rbx
mov    %rdi,%rbx
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xebb(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xeed(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xeff(%rip),%rdi
call   1040 <puts@plt>
lea    0xe8d(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xee1(%rip),%rdi
call   1040 <puts@plt>
lea    0xf2f(%rip),%rdi
call   1040 <puts@plt>
lea    0xf5e(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0xa,%edi
pop    %rbx
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [15 x i8] c"*** %s *** \0A\00"
@.str.2 = [41 x i8] c"Convert faster oscillos to ascii files.\0A\00"
@.str.3 = [10 x i8] c"usage : \0A\00"
@.str.4 = [62 x i8] c" %s input_file.fast output_directory [MAX_NB_FILES]\0A\00"
@.str.5 = [91 x i8] c"Each oscillo found in 'input_file.fast' is dumped to 'output_directory' as an ascii file.\0A\00"
@.str.6 = [60 x i8] c"The number of output files can be limited by MAX_NB_FILES.\0A\00"
@.str.7 = [46 x i8] c"The ascii format is two columns X(ns) Y(mV).\0A\00"
define void @display_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%10 = load i8*, i8** %2
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.4, i64 0, i64 0), i8* %10)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([91 x i8], [91 x i8]* @.str.5, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.6, i64 0, i64 0))
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.7, i64 0, i64 0))
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [15 x i8] c"*** %s *** \0A\00"
@.str.4 = [62 x i8] c" %s input_file.fast output_directory [MAX_NB_FILES]\0A\00"
@str = [40 x i8] c"Convert faster oscillos to ascii files.\00"
@str.8 = [9 x i8] c"usage : \00"
@str.9 = [90 x i8] c"Each oscillo found in 'input_file.fast' is dumped to 'output_directory' as an ascii file.\00"
@str.10 = [59 x i8] c"The number of output files can be limited by MAX_NB_FILES.\00"
@str.11 = [45 x i8] c"The ascii format is two columns X(ns) Y(mV).\00"
define void @display_usage(i8* %0) {
%2 = tail call i32 @putchar(i32 10)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 @putchar(i32 10)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.8, i64 0, i64 0))
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([62 x i8], [62 x i8]* @.str.4, i64 0, i64 0), i8* %0)
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([90 x i8], [90 x i8]* @str.9, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.10, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str.11, i64 0, i64 0))
%13 = tail call i32 @putchar(i32 10)
%14 = tail call i32 @putchar(i32 10)
ret void
}