#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 palindrome(char *);
int /*<<< orphan*/ printf(char *, int);
int main(void) {
  char *str;
  printf("Palindrome bonjour : %d\n", palindrome("bonjour"));
  printf("Palindrome abba : %d\n", palindrome("abba"));
  printf("Palindrome ababa : %d\n", palindrome("ababa"));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xee3(%rip),%rdi
call   1040 <palindrome@plt>
mov    %eax,%esi
lea    0xebc(%rip),%rdi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
call   1040 <palindrome@plt>
mov    %eax,%esi
lea    0xec3(%rip),%rdi
call   1030 <printf@plt>
lea    0xee9(%rip),%rdi
call   1040 <palindrome@plt>
mov    %eax,%esi
lea    0xec4(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xef1(%rip),%rdi
call   1040 <palindrome@plt>
lea    0xecc(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
call   1040 <palindrome@plt>
lea    0xed3(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xef7(%rip),%rdi
call   1040 <palindrome@plt>
lea    0xed4(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [25 x i8] c"Palindrome bonjour : %d\0A\00"
@.str.1 = [8 x i8] c"bonjour\00"
@.str.2 = [22 x i8] c"Palindrome abba : %d\0A\00"
@.str.3 = [5 x i8] c"abba\00"
@.str.4 = [23 x i8] c"Palindrome ababa : %d\0A\00"
@.str.5 = [6 x i8] c"ababa\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
store i32 0, i32* %1
%3 = call i32 @palindrome(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = call i32 @palindrome(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = call i32 @palindrome(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %7)
ret i32 0
}

LLVM IR (-O2):
@.str = [25 x i8] c"Palindrome bonjour : %d\0A\00"
@.str.1 = [8 x i8] c"bonjour\00"
@.str.2 = [22 x i8] c"Palindrome abba : %d\0A\00"
@.str.3 = [5 x i8] c"abba\00"
@.str.4 = [23 x i8] c"Palindrome ababa : %d\0A\00"
@.str.5 = [6 x i8] c"ababa\00"
define i32 @main() {
%1 = tail call i32 @palindrome(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @palindrome(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %3)
%5 = tail call i32 @palindrome(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %5)
ret i32 0
}