#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__ isalpha(char);
int strlen(char *);
int isname(char *text) {
  int l = strlen(text);
  int z;
  for (z = 0; z < l; z++) {
    if (isalpha(text[z]))
      return 1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<isname>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    1185 <isname+0x65>
mov    -0x10(%rbp),%rax
movslq -0x18(%rbp),%rcx
movsbl (%rax,%rcx,1),%edi
call   1040 <isalpha@plt>
cmp    $0x0,%rax
je     1172 <isname+0x52>
movl   $0x1,-0x4(%rbp)
jmp    118c <isname+0x6c>
jmp    1177 <isname+0x57>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113f <isname+0x1f>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<isname>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r14
call   1030 <strlen@plt>
test   %eax,%eax
jle    1158 <isname+0x38>
mov    %eax,%r15d
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
movsbl (%r14,%rbx,1),%edi
call   1040 <isalpha@plt>
test   %rax,%rax
jne    115c <isname+0x3c>
add    $0x1,%rbx
cmp    %rbx,%r15
jne    1140 <isname+0x20>
xor    %eax,%eax
jmp    1161 <isname+0x41>
mov    $0x1,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i32 @isname(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32
store i8* %0, i8** %3
%6 = load i8*, i8** %3
%7 = call i32 @strlen(i8* %6)
store i32 %7, i32* %4
store i32 0, i32* %5
br label %8
8: ; preds = %22, %1
%9 = load i32, i32* %5
%10 = load i32, i32* %4
%11 = icmp slt i32 %9, %10
br i1 %11, label %12, label %25
12: ; preds = %8
%13 = load i8*, i8** %3
%14 = load i32, i32* %5
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds i8, i8* %13, i64 %15
%17 = load i8, i8* %16
%18 = call i64 @isalpha(i8 signext %17)
%19 = icmp ne i64 %18, 0
br i1 %19, label %20, label %21
20: ; preds = %12
store i32 1, i32* %2
br label %26
21: ; preds = %12
br label %22
22: ; preds = %21
%23 = load i32, i32* %5
%24 = add nsw i32 %23, 1
store i32 %24, i32* %5
br label %8
25: ; preds = %8
store i32 0, i32* %2
br label %26
26: ; preds = %25, %20
%27 = load i32, i32* %2
ret i32 %27
}

LLVM IR (-O2):
define i32 @isname(i8* %0) {
%2 = tail call i32 @strlen(i8* %0)
%3 = icmp sgt i32 %2, 0
br i1 %3, label %4, label %15
4: ; preds = %1
%5 = zext i32 %2 to i64
br label %8
6: ; preds = %8
%7 = icmp eq i64 %14, %5
br i1 %7, label %15, label %8
8: ; preds = %4, %6
%9 = phi i64 [ 0, %4 ], [ %14, %6 ]
%10 = getelementptr inbounds i8, i8* %0, i64 %9
%11 = load i8, i8* %10
%12 = tail call i64 @isalpha(i8 signext %11)
%13 = icmp eq i64 %12, 0
%14 = add nuw nsw i64 %9, 1
br i1 %13, label %6, label %15
15: ; preds = %8, %6, %1
%16 = phi i32 [ 0, %1 ], [ 0, %6 ], [ 1, %8 ]
ret i32 %16
}