#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 */
scalar_t__ strcmp(char *, char *);
int compat_iscmd(char *a) {
  if (strcmp(a, "e") == 0 || strcmp(a, "l") == 0 || strcmp(a, "lt") == 0 ||
      strcmp(a, "lb") == 0 || strcmp(a, "p") == 0 || strcmp(a, "t") == 0 ||
      strcmp(a, "v") == 0 || strcmp(a, "vt") == 0 || strcmp(a, "vb") == 0 ||
      strcmp(a, "x") == 0) {
    return (1 == 1);
  }
  return (1 == 0);
}


x86 assembly (clang, -O0):
<compat_iscmd>:
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
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xec1(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xea9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe92(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe7b(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe5c(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe49(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe31(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe1a(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
je     1220 <compat_iscmd+0x110>
mov    -0x10(%rbp),%rdi
lea    0xe03(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    122c <compat_iscmd+0x11c>
movl   $0x1,-0x4(%rbp)
jmp    1233 <compat_iscmd+0x123>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<compat_iscmd>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xecb(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xeb5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xea0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe8f(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe76(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe69(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe57(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe46(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11f0 <compat_iscmd+0xe0>
lea    0xe35(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ebp,%ebp
test   %rax,%rax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [2 x i8] c"e\00"
@.str.1 = [2 x i8] c"l\00"
@.str.2 = [3 x i8] c"lt\00"
@.str.3 = [3 x i8] c"lb\00"
@.str.4 = [2 x i8] c"p\00"
@.str.5 = [2 x i8] c"t\00"
@.str.6 = [2 x i8] c"v\00"
@.str.7 = [3 x i8] c"vt\00"
@.str.8 = [3 x i8] c"vb\00"
@.str.9 = [2 x i8] c"x\00"
define i32 @compat_iscmd(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 ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %43, label %7
7: ; preds = %1
%8 = load i8*, i8** %3
%9 = call i64 @strcmp(i8* %8, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%10 = icmp eq i64 %9, 0
br i1 %10, label %43, label %11
11: ; preds = %7
%12 = load i8*, i8** %3
%13 = call i64 @strcmp(i8* %12, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%14 = icmp eq i64 %13, 0
br i1 %14, label %43, label %15
15: ; preds = %11
%16 = load i8*, i8** %3
%17 = call i64 @strcmp(i8* %16, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %43, label %19
19: ; preds = %15
%20 = load i8*, i8** %3
%21 = call i64 @strcmp(i8* %20, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%22 = icmp eq i64 %21, 0
br i1 %22, label %43, label %23
23: ; preds = %19
%24 = load i8*, i8** %3
%25 = call i64 @strcmp(i8* %24, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%26 = icmp eq i64 %25, 0
br i1 %26, label %43, label %27
27: ; preds = %23
%28 = load i8*, i8** %3
%29 = call i64 @strcmp(i8* %28, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%30 = icmp eq i64 %29, 0
br i1 %30, label %43, label %31
31: ; preds = %27
%32 = load i8*, i8** %3
%33 = call i64 @strcmp(i8* %32, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%34 = icmp eq i64 %33, 0
br i1 %34, label %43, label %35
35: ; preds = %31
%36 = load i8*, i8** %3
%37 = call i64 @strcmp(i8* %36, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.8, i64 0, i64 0))
%38 = icmp eq i64 %37, 0
br i1 %38, label %43, label %39
39: ; preds = %35
%40 = load i8*, i8** %3
%41 = call i64 @strcmp(i8* %40, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.9, i64 0, i64 0))
%42 = icmp eq i64 %41, 0
br i1 %42, label %43, label %44
43: ; preds = %39, %35, %31, %27, %23, %19, %15, %11, %7, %1
store i32 1, i32* %2
br label %45
44: ; preds = %39
store i32 0, i32* %2
br label %45
45: ; preds = %44, %43
%46 = load i32, i32* %2
ret i32 %46
}

LLVM IR (-O2):
@.str = [2 x i8] c"e\00"
@.str.1 = [2 x i8] c"l\00"
@.str.2 = [3 x i8] c"lt\00"
@.str.3 = [3 x i8] c"lb\00"
@.str.4 = [2 x i8] c"p\00"
@.str.5 = [2 x i8] c"t\00"
@.str.6 = [2 x i8] c"v\00"
@.str.7 = [3 x i8] c"vt\00"
@.str.8 = [3 x i8] c"vb\00"
@.str.9 = [2 x i8] c"x\00"
define i32 @compat_iscmd(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %32, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %32, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %32, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %32, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %32, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %32, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %32, label %22
22: ; preds = %19
%23 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
br i1 %24, label %32, label %25
25: ; preds = %22
%26 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.8, i64 0, i64 0))
%27 = icmp eq i64 %26, 0
br i1 %27, label %32, label %28
28: ; preds = %25
%29 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.9, i64 0, i64 0))
%30 = icmp eq i64 %29, 0
%31 = zext i1 %30 to i32
br label %32
32: ; preds = %28, %1, %4, %7, %10, %13, %16, %19, %22, %25
%33 = phi i32 [ 1, %25 ], [ 1, %22 ], [ 1, %19 ], [ 1, %16 ], [ 1, %13 ], [ 1, %10 ], [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %31, %28 ]
ret i32 %33
}