#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*/ strcmp(char const *, char const *);
int strlen(char const *);
int has_suffix(const char *str, const char *suffix) {
  int l = strlen(str), k = strlen(suffix), d = l - k;
  if (d < 0)
    return 0;
  return !strcmp(str + d, suffix);
}


x86 assembly (clang, -O0):
<has_suffix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,-0x1c(%rbp)
mov    -0x18(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,-0x20(%rbp)
mov    -0x1c(%rbp),%eax
sub    -0x20(%rbp),%eax
mov    %eax,-0x24(%rbp)
cmpl   $0x0,-0x24(%rbp)
jge    1167 <has_suffix+0x47>
movl   $0x0,-0x4(%rbp)
jmp    118b <has_suffix+0x6b>
mov    -0x10(%rbp),%rdi
movslq -0x24(%rbp),%rax
add    %rax,%rdi
mov    -0x18(%rbp),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%eax
setne  %al
xor    $0xff,%al
and    $0x1,%al
movzbl %al,%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<has_suffix>:
push   %rbp
push   %r14
push   %rbx
mov    %rsi,%r14
mov    %rdi,%rbx
call   1030 <strlen@plt>
mov    %eax,%ebp
mov    %r14,%rdi
call   1030 <strlen@plt>
sub    %eax,%ebp
js     1158 <has_suffix+0x38>
mov    %ebp,%eax
add    %rax,%rbx
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <strcmp@plt>
mov    %eax,%ecx
xor    %eax,%eax
test   %ecx,%ecx
sete   %al
jmp    115a <has_suffix+0x3a>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
define i32 @has_suffix(i8* %0, i8* %1) {
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i8* %0, i8** %4
store i8* %1, i8** %5
%9 = load i8*, i8** %4
%10 = call i32 @strlen(i8* %9)
store i32 %10, i32* %6
%11 = load i8*, i8** %5
%12 = call i32 @strlen(i8* %11)
store i32 %12, i32* %7
%13 = load i32, i32* %6
%14 = load i32, i32* %7
%15 = sub nsw i32 %13, %14
store i32 %15, i32* %8
%16 = load i32, i32* %8
%17 = icmp slt i32 %16, 0
br i1 %17, label %18, label %19
18: ; preds = %2
store i32 0, i32* %3
br label %29
19: ; preds = %2
%20 = load i8*, i8** %4
%21 = load i32, i32* %8
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i8, i8* %20, i64 %22
%24 = load i8*, i8** %5
%25 = call i32 @strcmp(i8* %23, i8* %24)
%26 = icmp ne i32 %25, 0
%27 = xor i1 %26, true
%28 = zext i1 %27 to i32
store i32 %28, i32* %3
br label %29
29: ; preds = %19, %18
%30 = load i32, i32* %3
ret i32 %30
}

LLVM IR (-O2):
define i32 @has_suffix(i8* %0, i8* %1) {
%3 = tail call i32 @strlen(i8* %0)
%4 = tail call i32 @strlen(i8* %1)
%5 = sub nsw i32 %3, %4
%6 = icmp slt i32 %5, 0
br i1 %6, label %13, label %7
7: ; preds = %2
%8 = zext i32 %5 to i64
%9 = getelementptr inbounds i8, i8* %0, i64 %8
%10 = tail call i32 @strcmp(i8* dereferenceable(1) %9, i8* dereferenceable(1) %1)
%11 = icmp eq i32 %10, 0
%12 = zext i1 %11 to i32
br label %13
13: ; preds = %2, %7
%14 = phi i32 [ %12, %7 ], [ 0, %2 ]
ret i32 %14
}