#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 const *, char const *);
int strlen(char const *);
bool hassuffix(const char *s, const char *suf) {
  int len_s = strlen(s);
  int len_suf = strlen(suf);
  if (len_s < len_suf)
    return false;
  return 0 == strcmp(suf, s + (len_s - len_suf));
}


x86 assembly (clang, -O0):
<hassuffix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%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
cmp    -0x20(%rbp),%eax
jge    1160 <hassuffix+0x40>
movl   $0x0,-0x4(%rbp)
jmp    118b <hassuffix+0x6b>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x1c(%rbp),%eax
sub    -0x20(%rbp),%eax
cltq
add    %rax,%rsi
call   1040 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
sete   %al
and    $0x1,%al
movzbl %al,%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<hassuffix>:
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>
mov    %eax,%ecx
xor    %eax,%eax
sub    %ecx,%ebp
jl     115d <hassuffix+0x3d>
movslq %ebp,%rax
add    %rax,%rbx
mov    %r14,%rdi
mov    %rbx,%rsi
call   1040 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
test   %rcx,%rcx
sete   %al
pop    %rbx
pop    %r14
pop    %rbp
ret

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

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