#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 */
int /*<<< orphan*/ isxdigit(unsigned char);
int iTestStrHexdecimal(unsigned char *psStr, int iLen) {
  int i;
  for (i = 0; i < iLen; i++)
    if (!isxdigit(psStr[i]))
      return (1);
  return (0);
}


x86 assembly (clang, -O0):
<iTestStrHexdecimal>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %esi,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    116b <iTestStrHexdecimal+0x5b>
mov    -0x10(%rbp),%rax
movslq -0x18(%rbp),%rcx
movzbl (%rax,%rcx,1),%edi
call   1030 <isxdigit@plt>
cmp    $0x0,%eax
jne    1158 <iTestStrHexdecimal+0x48>
movl   $0x1,-0x4(%rbp)
jmp    1172 <iTestStrHexdecimal+0x62>
jmp    115d <iTestStrHexdecimal+0x4d>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1126 <iTestStrHexdecimal+0x16>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<iTestStrHexdecimal>:
push   %r15
push   %r14
push   %rbx
test   %esi,%esi
jle    1147 <iTestStrHexdecimal+0x37>
mov    %rdi,%r14
mov    %esi,%r15d
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
movzbl (%r14,%rbx,1),%edi
call   1030 <isxdigit@plt>
test   %eax,%eax
je     114b <iTestStrHexdecimal+0x3b>
add    $0x1,%rbx
cmp    %rbx,%r15
jne    1130 <iTestStrHexdecimal+0x20>
xor    %eax,%eax
jmp    1150 <iTestStrHexdecimal+0x40>
mov    $0x1,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
define i32 @iTestStrHexdecimal(i8* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %15
4: ; preds = %2
%5 = zext i32 %1 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 i32 @isxdigit(i8 zeroext %11)
%13 = icmp eq i32 %12, 0
%14 = add nuw nsw i64 %9, 1
br i1 %13, label %15, label %6
15: ; preds = %8, %6, %2
%16 = phi i32 [ 0, %2 ], [ 0, %6 ], [ 1, %8 ]
ret i32 %16
}