#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 wctrans_t;

/* Variables and functions */
int /*<<< orphan*/ EINVAL;
int /*<<< orphan*/ errno;
scalar_t__ strcmp(char const *, char *);
wctrans_t wctrans(const char *name) {
  if (strcmp(name, "tolowe") == 0) {
    return 1;
  } else if (strcmp(name, "tolowe") == 0) {
    return 2;
  } else {
    errno = EINVAL;
    return 0;
  }
}


x86 assembly (clang, -O0):
<wctrans>:
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,%rax
jne    1142 <wctrans+0x32>
movl   $0x1,-0x4(%rbp)
jmp    1181 <wctrans+0x71>
mov    -0x10(%rbp),%rdi
lea    0xeb3(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1168 <wctrans+0x58>
movl   $0x2,-0x4(%rbp)
jmp    1181 <wctrans+0x71>
mov    0x2e69(%rip),%rax
mov    (%rax),%ecx
mov    0x2e68(%rip),%rax
mov    %ecx,(%rax)
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<wctrans>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     114f <wctrans+0x3f>
lea    0xed4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1156 <wctrans+0x46>
mov    0x2e98(%rip),%rax
mov    (%rax),%eax
mov    0x2e97(%rip),%rcx
mov    %eax,(%rcx)
xor    %eax,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret
mov    $0x2,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [7 x i8] c"tolowe\00"
@EINVAL = global i32 0
@errno = global i32 0
define i32 @wctrans(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 1, i32* %2
br label %15
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 2, i32* %2
br label %15
13: ; preds = %8
%14 = load i32, i32* @EINVAL
store i32 %14, i32* @errno
store i32 0, i32* %2
br label %15
15: ; preds = %13, %12, %7
%16 = load i32, i32* %2
ret i32 %16
}

LLVM IR (-O2):
@.str = [7 x i8] c"tolowe\00"
@EINVAL = global i32 0
@errno = global i32 0
define i32 @wctrans(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %9, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %9, label %7
7: ; preds = %4
%8 = load i32, i32* @EINVAL
store i32 %8, i32* @errno
br label %9
9: ; preds = %4, %1, %7
%10 = phi i32 [ 0, %7 ], [ 1, %1 ], [ 2, %4 ]
ret i32 %10
}