#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*/ stderr;
int usage(char *exename) {
  fprintf(stderr, "Usage :\n");
  fprintf(stderr, "      %s [arg] filename\n", exename);
  fprintf(stderr, "Arguments :\n");
  fprintf(stderr, " -i# : number of iterations \n");
  fprintf(stderr, " -s# : Function selection [0,1]. Default is 0 \n");
  fprintf(stderr, " -h  : help (this text)\n");
  return 0;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ebd(%rip),%rax
mov    (%rax),%edi
lea    0xed4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea6(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec2(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e74(%rip),%rax
mov    (%rax),%edi
lea    0xeba(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e5d(%rip),%rax
mov    (%rax),%edi
lea    0xec1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e46(%rip),%rax
mov    (%rax),%edi
lea    0xeda(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
mov    0x2ec2(%rip),%rbx
mov    (%rbx),%edi
lea    0xed9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed2(%rip),%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed5(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee3(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf03(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [9 x i8] c"Usage :\0A\00"
@.str.1 = [25 x i8] c" %s [arg] filename\0A\00"
@.str.2 = [13 x i8] c"Arguments :\0A\00"
@.str.3 = [30 x i8] c" -i# : number of iterations \0A\00"
@.str.4 = [48 x i8] c" -s# : Function selection [0,1]. Default is 0 \0A\00"
@.str.5 = [25 x i8] c" -h : help (this text)\0A\00"
define i32 @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %2
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0), i8* %6)
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [9 x i8] c"Usage :\0A\00"
@.str.1 = [25 x i8] c" %s [arg] filename\0A\00"
@.str.2 = [13 x i8] c"Arguments :\0A\00"
@.str.3 = [30 x i8] c" -i# : number of iterations \0A\00"
@.str.4 = [48 x i8] c" -s# : Function selection [0,1]. Default is 0 \0A\00"
@.str.5 = [25 x i8] c" -h : help (this text)\0A\00"
define i32 @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([13 x i8], [13 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 ([30 x i8], [30 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 ([48 x i8], [48 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 ([25 x i8], [25 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}