#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 strcmp(char *, char *);
int strlen(char *);
int Suffix(char *myword, char *suffix) {
  register int i;
  register int j;
  i = strlen(myword);
  j = strlen(suffix);
  if (i > j) {
    return (strcmp(((myword + i - j)), (suffix)));
  } else {
    return (-1);
  }
}


x86 assembly (clang, -O0):
<Suffix>:
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
jle    117c <Suffix+0x5c>
mov    -0x10(%rbp),%rdi
movslq -0x1c(%rbp),%rax
add    %rax,%rdi
movslq -0x20(%rbp),%rcx
xor    %eax,%eax
sub    %rcx,%rax
add    %rax,%rdi
mov    -0x18(%rbp),%rsi
call   1040 <strcmp@plt>
mov    %eax,-0x4(%rbp)
jmp    1183 <Suffix+0x63>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<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>
cmp    %eax,%ebp
jle    1157 <Suffix+0x37>
movslq %ebp,%rcx
add    %rcx,%rbx
cltq
sub    %rax,%rbx
mov    %rbx,%rdi
mov    %r14,%rsi
pop    %rbx
pop    %r14
pop    %rbp
jmp    1040 <strcmp@plt>
mov    $0xffffffff,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
define i32 @Suffix(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 sgt i32 %12, %13
br i1 %14, label %15, label %26
15: ; preds = %2
%16 = load i8*, i8** %4
%17 = load i32, i32* %6
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i8, i8* %16, i64 %18
%20 = load i32, i32* %7
%21 = sext i32 %20 to i64
%22 = sub i64 0, %21
%23 = getelementptr inbounds i8, i8* %19, i64 %22
%24 = load i8*, i8** %5
%25 = call i32 @strcmp(i8* %23, i8* %24)
store i32 %25, i32* %3
br label %27
26: ; preds = %2
store i32 -1, i32* %3
br label %27
27: ; preds = %26, %15
%28 = load i32, i32* %3
ret i32 %28
}

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