#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 is_valid_datatype(char *datatype) {
  return strcmp(datatype, "char") == 0 || strcmp(datatype, "short") == 0 ||
         strcmp(datatype, "int") == 0 || strcmp(datatype, "long") == 0 ||
         strcmp(datatype, "float") == 0 || strcmp(datatype, "double") == 0 ||
         strcmp(datatype, "void") == 0;
}


x86 assembly (clang, -O0):
<is_valid_datatype>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xebc(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xea0(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xe82(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xe65(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xe49(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     1202 <is_valid_datatype+0xf2>
mov    -0x8(%rbp),%rdi
lea    0xe2e(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
sete   %al
mov    %al,-0x9(%rbp)
mov    -0x9(%rbp),%al
and    $0x1,%al
movzbl %al,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<is_valid_datatype>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xed2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xec4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xeb4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xea5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xe97(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11a8 <is_valid_datatype+0x98>
lea    0xe8a(%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 = [5 x i8] c"char\00"
@.str.1 = [6 x i8] c"short\00"
@.str.2 = [4 x i8] c"int\00"
@.str.3 = [5 x i8] c"long\00"
@.str.4 = [6 x i8] c"float\00"
@.str.5 = [7 x i8] c"double\00"
@.str.6 = [5 x i8] c"void\00"
define i32 @is_valid_datatype(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i64 @strcmp(i8* %3, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%5 = icmp eq i64 %4, 0
br i1 %5, label %30, label %6
6: ; preds = %1
%7 = load i8*, i8** %2
%8 = call i64 @strcmp(i8* %7, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %30, label %10
10: ; preds = %6
%11 = load i8*, i8** %2
%12 = call i64 @strcmp(i8* %11, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%13 = icmp eq i64 %12, 0
br i1 %13, label %30, label %14
14: ; preds = %10
%15 = load i8*, i8** %2
%16 = call i64 @strcmp(i8* %15, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%17 = icmp eq i64 %16, 0
br i1 %17, label %30, label %18
18: ; preds = %14
%19 = load i8*, i8** %2
%20 = call i64 @strcmp(i8* %19, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %30, label %22
22: ; preds = %18
%23 = load i8*, i8** %2
%24 = call i64 @strcmp(i8* %23, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0))
%25 = icmp eq i64 %24, 0
br i1 %25, label %30, label %26
26: ; preds = %22
%27 = load i8*, i8** %2
%28 = call i64 @strcmp(i8* %27, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%29 = icmp eq i64 %28, 0
br label %30
30: ; preds = %26, %22, %18, %14, %10, %6, %1
%31 = phi i1 [ true, %22 ], [ true, %18 ], [ true, %14 ], [ true, %10 ], [ true, %6 ], [ true, %1 ], [ %29, %26 ]
%32 = zext i1 %31 to i32
ret i32 %32
}

LLVM IR (-O2):
@.str = [5 x i8] c"char\00"
@.str.1 = [6 x i8] c"short\00"
@.str.2 = [4 x i8] c"int\00"
@.str.3 = [5 x i8] c"long\00"
@.str.4 = [6 x i8] c"float\00"
@.str.5 = [7 x i8] c"double\00"
@.str.6 = [5 x i8] c"void\00"
define i32 @is_valid_datatype(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %23, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %23, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %23, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %23, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %23, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %23, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
%22 = zext i1 %21 to i32
br label %23
23: ; preds = %19, %16, %13, %10, %7, %4, %1
%24 = phi i32 [ 1, %16 ], [ 1, %13 ], [ 1, %10 ], [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %22, %19 ]
ret i32 %24
}