#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*/ strcmp(char const *, char *);
int sepstrtochr(const char *str) {
  if (!strcmp(str, "\\t"))
    return '\t';
  if (!strcmp(str, "\\r"))
    return '\r';
  if (!strcmp(str, "\\n"))
    return '\n';
  return *(unsigned char *)str;
}


x86 assembly (clang, -O0):
<sepstrtochr>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1141 <sepstrtochr+0x31>
movl   $0x9,-0x4(%rbp)
jmp    1195 <sepstrtochr+0x85>
mov    -0x10(%rbp),%rdi
lea    0xeb7(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1166 <sepstrtochr+0x56>
movl   $0xd,-0x4(%rbp)
jmp    1195 <sepstrtochr+0x85>
mov    -0x10(%rbp),%rdi
lea    0xe95(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    118b <sepstrtochr+0x7b>
movl   $0xa,-0x4(%rbp)
jmp    1195 <sepstrtochr+0x85>
mov    -0x10(%rbp),%rax
movzbl (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<sepstrtochr>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     114f <sepstrtochr+0x3f>
lea    0xed8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1156 <sepstrtochr+0x46>
lea    0xec8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     115d <sepstrtochr+0x4d>
movzbl (%rbx),%eax
pop    %rbx
ret
mov    $0x9,%eax
pop    %rbx
ret
mov    $0xd,%eax
pop    %rbx
ret
mov    $0xa,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"\\t\00"
@.str.1 = [3 x i8] c"\\r\00"
@.str.2 = [3 x i8] c"\\n\00"
define i32 @sepstrtochr(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i32 @strcmp(i8* %4, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i32 %5, 0
br i1 %6, label %8, label %7
7: ; preds = %1
store i32 9, i32* %2
br label %22
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i32 @strcmp(i8* %9, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp ne i32 %10, 0
br i1 %11, label %13, label %12
12: ; preds = %8
store i32 13, i32* %2
br label %22
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i32 @strcmp(i8* %14, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp ne i32 %15, 0
br i1 %16, label %18, label %17
17: ; preds = %13
store i32 10, i32* %2
br label %22
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = load i8, i8* %19
%21 = zext i8 %20 to i32
store i32 %21, i32* %2
br label %22
22: ; preds = %18, %17, %12, %7
%23 = load i32, i32* %2
ret i32 %23
}

LLVM IR (-O2):
@.str = [3 x i8] c"\\t\00"
@.str.1 = [3 x i8] c"\\r\00"
@.str.2 = [3 x i8] c"\\n\00"
define i32 @sepstrtochr(i8* nocapture %0) {
%2 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32 %2, 0
br i1 %3, label %13, label %4
4: ; preds = %1
%5 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i32 %5, 0
br i1 %6, label %13, label %7
7: ; preds = %4
%8 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i32 %8, 0
br i1 %9, label %13, label %10
10: ; preds = %7
%11 = load i8, i8* %0
%12 = zext i8 %11 to i32
br label %13
13: ; preds = %7, %4, %1, %10
%14 = phi i32 [ %12, %10 ], [ 9, %1 ], [ 13, %4 ], [ 10, %7 ]
ret i32 %14
}