#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 ho_strcmp(char *, char *);
int /*<<< orphan*/ printf(char *, int);
int strcmp(char *, char *);
int main() {
  printf("strcmp:%d\n", strcmp("1234", "123"));
  printf("%d\n", ho_strcmp("1234", "123"));
  printf("strcmp:%d\n", strcmp("123", "1234"));
  printf("%d\n", ho_strcmp("123", "1234"));
  printf("strcmp:%d\n", strcmp("123", "123"));
  printf("%d\n", ho_strcmp("123", "123"));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xec5(%rip),%rdi
lea    0xec3(%rip),%rsi
call   1050 <strcmp@plt>
mov    %eax,%esi
lea    0xea5(%rip),%rdi
call   1030 <printf@plt>
lea    0xea4(%rip),%rdi
lea    0xea2(%rip),%rsi
call   1040 <ho_strcmp@plt>
mov    %eax,%esi
lea    0xe8b(%rip),%rdi
call   1030 <printf@plt>
lea    0xe88(%rip),%rdi
lea    0xe7c(%rip),%rsi
call   1050 <strcmp@plt>
mov    %eax,%esi
lea    0xe63(%rip),%rdi
call   1030 <printf@plt>
lea    0xe67(%rip),%rdi
lea    0xe5b(%rip),%rsi
call   1040 <ho_strcmp@plt>
mov    %eax,%esi
lea    0xe49(%rip),%rdi
call   1030 <printf@plt>
lea    0xe46(%rip),%rsi
mov    %rsi,%rdi
call   1050 <strcmp@plt>
mov    %eax,%esi
lea    0xe25(%rip),%rdi
call   1030 <printf@plt>
lea    0xe29(%rip),%rsi
mov    %rsi,%rdi
call   1040 <ho_strcmp@plt>
mov    %eax,%esi
lea    0xe0f(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xed1(%rip),%r14
mov    %r14,%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
lea    0xec8(%rip),%r12
lea    0xec6(%rip),%rbx
mov    %r12,%rdi
mov    %rbx,%rsi
call   1040 <ho_strcmp@plt>
lea    0xeab(%rip),%r15
mov    %r15,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r14,%rdi
mov    $0xffffffff,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r12,%rsi
call   1040 <ho_strcmp@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r14,%rdi
xor    %esi,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %rbx,%rsi
call   1040 <ho_strcmp@plt>
mov    %r15,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [11 x i8] c"strcmp:%d\0A\00"
@.str.1 = [5 x i8] c"1234\00"
@.str.2 = [4 x i8] c"123\00"
@.str.3 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @strcmp(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = call i32 @ho_strcmp(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %4)
%6 = call i32 @strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = call i32 @ho_strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %8)
%10 = call i32 @strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = call i32 @ho_strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [11 x i8] c"strcmp:%d\0A\00"
@.str.1 = [5 x i8] c"1234\00"
@.str.2 = [4 x i8] c"123\00"
@.str.3 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 1)
%2 = tail call i32 @ho_strcmp(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%3 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 -1)
%5 = tail call i32 @ho_strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %5)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 0)
%8 = tail call i32 @ho_strcmp(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%9 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %8)
ret i32 0
}