#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__ matchString(char const **, char *);
int matchUnit(const char **strptr) {
  return (matchString(strptr, "em") || matchString(strptr, "ex") ||
          matchString(strptr, "in") || matchString(strptr, "cm") ||
          matchString(strptr, "mm") || matchString(strptr, "pt") ||
          matchString(strptr, "pc") || matchString(strptr, "px") ||
          matchString(strptr, "%"));
}


x86 assembly (clang, -O0):
<matchUnit>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xeba(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe9b(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe7c(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe5d(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe3e(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe1f(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xe00(%rip),%rsi
call   1030 <matchString@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    1246 <matchUnit+0x136>
mov    -0x8(%rbp),%rdi
lea    0xde1(%rip),%rsi
call   1030 <matchString@plt>
cmp    $0x0,%rax
setne  %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):
<matchUnit>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <matchString@plt>
mov    $0x1,%ebp
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xecc(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xeb7(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xea6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xe95(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xe84(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xe73(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xe62(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
test   %rax,%rax
jne    11d8 <matchUnit+0xc8>
lea    0xe51(%rip),%rsi
mov    %rbx,%rdi
call   1030 <matchString@plt>
xor    %ebp,%ebp
test   %rax,%rax
setne  %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"em\00"
@.str.1 = [3 x i8] c"ex\00"
@.str.2 = [3 x i8] c"in\00"
@.str.3 = [3 x i8] c"cm\00"
@.str.4 = [3 x i8] c"mm\00"
@.str.5 = [3 x i8] c"pt\00"
@.str.6 = [3 x i8] c"pc\00"
@.str.7 = [3 x i8] c"px\00"
@.str.8 = [2 x i8] c"%\00"
define i32 @matchUnit(i8** %0) {
%2 = alloca i8**
store i8** %0, i8*** %2
%3 = load i8**, i8*** %2
%4 = call i64 @matchString(i8** %3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%5 = icmp ne i64 %4, 0
br i1 %5, label %38, label %6
6: ; preds = %1
%7 = load i8**, i8*** %2
%8 = call i64 @matchString(i8** %7, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%9 = icmp ne i64 %8, 0
br i1 %9, label %38, label %10
10: ; preds = %6
%11 = load i8**, i8*** %2
%12 = call i64 @matchString(i8** %11, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%13 = icmp ne i64 %12, 0
br i1 %13, label %38, label %14
14: ; preds = %10
%15 = load i8**, i8*** %2
%16 = call i64 @matchString(i8** %15, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%17 = icmp ne i64 %16, 0
br i1 %17, label %38, label %18
18: ; preds = %14
%19 = load i8**, i8*** %2
%20 = call i64 @matchString(i8** %19, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%21 = icmp ne i64 %20, 0
br i1 %21, label %38, label %22
22: ; preds = %18
%23 = load i8**, i8*** %2
%24 = call i64 @matchString(i8** %23, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%25 = icmp ne i64 %24, 0
br i1 %25, label %38, label %26
26: ; preds = %22
%27 = load i8**, i8*** %2
%28 = call i64 @matchString(i8** %27, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%29 = icmp ne i64 %28, 0
br i1 %29, label %38, label %30
30: ; preds = %26
%31 = load i8**, i8*** %2
%32 = call i64 @matchString(i8** %31, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%33 = icmp ne i64 %32, 0
br i1 %33, label %38, label %34
34: ; preds = %30
%35 = load i8**, i8*** %2
%36 = call i64 @matchString(i8** %35, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8, i64 0, i64 0))
%37 = icmp ne i64 %36, 0
br label %38
38: ; preds = %34, %30, %26, %22, %18, %14, %10, %6, %1
%39 = phi i1 [ true, %30 ], [ true, %26 ], [ true, %22 ], [ true, %18 ], [ true, %14 ], [ true, %10 ], [ true, %6 ], [ true, %1 ], [ %37, %34 ]
%40 = zext i1 %39 to i32
ret i32 %40
}

LLVM IR (-O2):
@.str = [3 x i8] c"em\00"
@.str.1 = [3 x i8] c"ex\00"
@.str.2 = [3 x i8] c"in\00"
@.str.3 = [3 x i8] c"cm\00"
@.str.4 = [3 x i8] c"mm\00"
@.str.5 = [3 x i8] c"pt\00"
@.str.6 = [3 x i8] c"pc\00"
@.str.7 = [3 x i8] c"px\00"
@.str.8 = [2 x i8] c"%\00"
define i32 @matchUnit(i8** %0) {
%2 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %4, label %29
4: ; preds = %1
%5 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %29
7: ; preds = %4
%8 = tail call i64 @matchString(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 %10, label %29
10: ; preds = %7
%11 = tail call i64 @matchString(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 %13, label %29
13: ; preds = %10
%14 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %16, label %29
16: ; preds = %13
%17 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %19, label %29
19: ; preds = %16
%20 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %29
22: ; preds = %19
%23 = tail call i64 @matchString(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 %25, label %29
25: ; preds = %22
%26 = tail call i64 @matchString(i8** %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8, i64 0, i64 0))
%27 = icmp ne i64 %26, 0
%28 = zext i1 %27 to i32
br label %29
29: ; preds = %25, %22, %19, %16, %13, %10, %7, %4, %1
%30 = phi i32 [ 1, %22 ], [ 1, %19 ], [ 1, %16 ], [ 1, %13 ], [ 1, %10 ], [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %28, %25 ]
ret i32 %30
}