#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int EXIT_SUCCESS;
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, ...);
int /*<<< orphan*/ *stderr;
int /*<<< orphan*/ *stdout;
void helpAndLeave(const char *progname, int status) {
  FILE *stream = stderr;
  if (status == EXIT_SUCCESS) {
    stream = stdout;
  }
  fprintf(stream, "Usage: %s <0|1|2|3>\n", progname);
  fprintf(stream, "\t0 - no handler is installed for SIGABRT\n");
  fprintf(stream, "\t1 - causes SIGABRT to be ignored\n");
  fprintf(stream, "\t2 - a returning handler is installed\n");
  fprintf(stream, "\t3 - a non-returning handler is installed\n");
  exit(status);
}


x86 assembly (clang, -O0):
<helpAndLeave>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    0x2eaa(%rip),%rax
mov    (%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0xc(%rbp),%eax
mov    0x2e89(%rip),%rcx
cmp    (%rcx),%eax
jne    115d <helpAndLeave+0x3d>
mov    0x2e82(%rip),%rax
mov    (%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x8(%rbp),%rdx
lea    0xe94(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0x18(%rbp),%rdi
lea    0xe97(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0x18(%rbp),%rdi
lea    0xeaf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0x18(%rbp),%rdi
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0x18(%rbp),%rdi
lea    0xed5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0xc(%rbp),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<helpAndLeave>:
push   %rbp
push   %rbx
push   %rax
mov    %esi,%ebp
mov    %rdi,%rdx
mov    0x2e91(%rip),%rax
cmp    %esi,(%rax)
jne    114c <helpAndLeave+0x1c>
mov    0x2e8e(%rip),%rax
jmp    1153 <helpAndLeave+0x23>
mov    0x2e8d(%rip),%rax
mov    (%rax),%rbx
lea    0xea3(%rip),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <fprintf@plt>
lea    0xea7(%rip),%rdi
mov    $0x29,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1050 <fwrite@plt>
lea    0xeb8(%rip),%rdi
mov    $0x22,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1050 <fwrite@plt>
lea    0xec2(%rip),%rdi
mov    $0x26,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1050 <fwrite@plt>
lea    0xed0(%rip),%rdi
mov    $0x2a,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1050 <fwrite@plt>
mov    %ebp,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32* null
@EXIT_SUCCESS = global i32 0
@stdout = global i32* null
@.str = [21 x i8] c"Usage: %s <0|1|2|3>\0A\00"
@.str.1 = [42 x i8] c"\090 - no handler is installed for SIGABRT\0A\00"
@.str.2 = [35 x i8] c"\091 - causes SIGABRT to be ignored\0A\00"
@.str.3 = [39 x i8] c"\092 - a returning handler is installed\0A\00"
@.str.4 = [43 x i8] c"\093 - a non-returning handler is installed\0A\00"
define void @helpAndLeave(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32*
store i8* %0, i8** %3
store i32 %1, i32* %4
%6 = load i32*, i32** @stderr
store i32* %6, i32** %5
%7 = load i32, i32* %4
%8 = load i32, i32* @EXIT_SUCCESS
%9 = icmp eq i32 %7, %8
br i1 %9, label %10, label %12
10: ; preds = %2
%11 = load i32*, i32** @stdout
store i32* %11, i32** %5
br label %12
12: ; preds = %10, %2
%13 = load i32*, i32** %5
%14 = load i8*, i8** %3
%15 = call i32 (i32*, i8*, ...) @fprintf(i32* %13, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = load i32*, i32** %5
%17 = call i32 (i32*, i8*, ...) @fprintf(i32* %16, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.1, i64 0, i64 0))
%18 = load i32*, i32** %5
%19 = call i32 (i32*, i8*, ...) @fprintf(i32* %18, i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
%20 = load i32*, i32** %5
%21 = call i32 (i32*, i8*, ...) @fprintf(i32* %20, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0))
%22 = load i32*, i32** %5
%23 = call i32 (i32*, i8*, ...) @fprintf(i32* %22, i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.4, i64 0, i64 0))
%24 = load i32, i32* %4
%25 = call i32 @exit(i32 %24)
unreachable
}

LLVM IR (-O2):
@stderr = global i32* null
@EXIT_SUCCESS = global i32 0
@stdout = global i32* null
@.str = [21 x i8] c"Usage: %s <0|1|2|3>\0A\00"
@.str.1 = [42 x i8] c"\090 - no handler is installed for SIGABRT\0A\00"
@.str.2 = [35 x i8] c"\091 - causes SIGABRT to be ignored\0A\00"
@.str.3 = [39 x i8] c"\092 - a returning handler is installed\0A\00"
@.str.4 = [43 x i8] c"\093 - a non-returning handler is installed\0A\00"
define void @helpAndLeave(i8* %0, i32 %1) {
%3 = load i32, i32* @EXIT_SUCCESS
%4 = icmp eq i32 %3, %1
%5 = load i32*, i32** @stdout
%6 = load i32*, i32** @stderr
%7 = select i1 %4, i32* %5, i32* %6
%8 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %7, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %0)
%9 = tail call i64 @fwrite(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.1, i64 0, i64 0), i64 41, i64 1, i32* %7)
%10 = tail call i64 @fwrite(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0), i64 34, i64 1, i32* %7)
%11 = tail call i64 @fwrite(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0), i64 38, i64 1, i32* %7)
%12 = tail call i64 @fwrite(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.4, i64 0, i64 0), i64 42, i64 1, i32* %7)
%13 = tail call i32 @exit(i32 %1)
unreachable
}