#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*/ printf(char *, ...);
int strindex(char *, char *);
int main() {
  char *p = "I love bacon";
  char *q = "bacon";
  printf("\n%s", p);
  printf("\n%s", q);
  printf("\n%d", strindex(p, q));
  printf("\n\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rax
mov    %rax,-0x8(%rbp)
lea    0xecd(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1040 <strindex@plt>
mov    %eax,%esi
lea    0xe99(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe8f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
lea    0xed1(%rip),%r15
lea    0xebd(%rip),%r14
mov    %r15,%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb0(%rip),%rbx
mov    %r15,%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
call   1050 <strindex@plt>
lea    0xe9b(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe8f(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
@.str = [13 x i8] c"I love bacon\00"
@.str.1 = [6 x i8] c"bacon\00"
@.str.2 = [4 x i8] c"\0A%s\00"
@.str.3 = [4 x i8] c"\0A%d\00"
@str = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @strindex(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %3)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
ret i32 0
}