#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 *, char *, char *);
int /*<<< orphan*/ squeeze(char *, char *);
int main() {
  char line1[100] = "hello";
  char line2[100] = "hello2";
  squeeze(line1, line2);
  printf("%s %s\n", line1, line2);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xe0,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x70(%rbp),%rdi
xor    %esi,%esi
mov    $0x64,%edx
call   1050 <memset@plt>
movb   $0x68,-0x70(%rbp)
movb   $0x65,-0x6f(%rbp)
movb   $0x6c,-0x6e(%rbp)
movb   $0x6c,-0x6d(%rbp)
movb   $0x6f,-0x6c(%rbp)
lea    -0xe0(%rbp),%rdi
xor    %esi,%esi
mov    $0x64,%edx
call   1050 <memset@plt>
movb   $0x68,-0xe0(%rbp)
movb   $0x65,-0xdf(%rbp)
movb   $0x6c,-0xde(%rbp)
movb   $0x6c,-0xdd(%rbp)
movb   $0x6f,-0xdc(%rbp)
movb   $0x32,-0xdb(%rbp)
lea    -0x70(%rbp),%rdi
lea    -0xe0(%rbp),%rsi
call   1030 <squeeze@plt>
lea    -0x70(%rbp),%rsi
lea    -0xe0(%rbp),%rdx
lea    0xe3b(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0xe0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0xd8,%rsp
xorps  %xmm0,%xmm0
movaps %xmm0,0x70(%rsp)
movaps %xmm0,0xc0(%rsp)
movaps %xmm0,0xb0(%rsp)
movaps %xmm0,0xa0(%rsp)
movaps %xmm0,0x90(%rsp)
movaps %xmm0,0x80(%rsp)
movl   $0x0,0xd0(%rsp)
movl   $0x6c6c6568,0x70(%rsp)
6c
movb   $0x6f,0x74(%rsp)
movaps %xmm0,(%rsp)
movaps %xmm0,0x50(%rsp)
movaps %xmm0,0x40(%rsp)
movaps %xmm0,0x30(%rsp)
movaps %xmm0,0x20(%rsp)
movaps %xmm0,0x10(%rsp)
movl   $0x0,0x60(%rsp)
movl   $0x6c6c6568,(%rsp)
movw   $0x326f,0x4(%rsp)
lea    0x70(%rsp),%rbx
mov    %rsp,%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1030 <squeeze@plt>
lea    0xe41(%rip),%rdi
mov    %rbx,%rsi
mov    %r14,%rdx
call   1040 <printf@plt>
xor    %eax,%eax
add    $0xd8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [7 x i8] c"%s %s\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i8]
%3 = alloca [100 x i8]
store i32 0, i32* %1
%4 = bitcast [100 x i8]* %2 to i8*
%5 = bitcast i8* %4 to [100 x i8]*
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i32 0, i32 0
store i8 104, i8* %6
%7 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i32 0, i32 1
store i8 101, i8* %7
%8 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i32 0, i32 2
store i8 108, i8* %8
%9 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i32 0, i32 3
store i8 108, i8* %9
%10 = getelementptr inbounds [100 x i8], [100 x i8]* %5, i32 0, i32 4
store i8 111, i8* %10
%11 = bitcast [100 x i8]* %3 to i8*
%12 = bitcast i8* %11 to [100 x i8]*
%13 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 0
store i8 104, i8* %13
%14 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 1
store i8 101, i8* %14
%15 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 2
store i8 108, i8* %15
%16 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 3
store i8 108, i8* %16
%17 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 4
store i8 111, i8* %17
%18 = getelementptr inbounds [100 x i8], [100 x i8]* %12, i32 0, i32 5
store i8 50, i8* %18
%19 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 0
%20 = getelementptr inbounds [100 x i8], [100 x i8]* %3, i64 0, i64 0
%21 = call i32 @squeeze(i8* %19, i8* %20)
%22 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 0
%23 = getelementptr inbounds [100 x i8], [100 x i8]* %3, i64 0, i64 0
%24 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8* %22, i8* %23)
ret i32 0
}

LLVM IR (-O2):
@.str = [7 x i8] c"%s %s\0A\00"
define i32 @main() {
%1 = alloca [100 x i8]
%2 = alloca [100 x i8]
%3 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 0
store i8 104, i8* %3
%4 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 1
store i8 101, i8* %4
%5 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 2
store i8 108, i8* %5
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 3
store i8 108, i8* %6
%7 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 4
store i8 111, i8* %7
%8 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 0
store i8 104, i8* %8
%9 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 1
store i8 101, i8* %9
%10 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 2
store i8 108, i8* %10
%11 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 3
store i8 108, i8* %11
%12 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 4
store i8 111, i8* %12
%13 = getelementptr inbounds [100 x i8], [100 x i8]* %2, i64 0, i64 5
store i8 50, i8* %13
%14 = call i32 @squeeze(i8* %3, i8* %8)
%15 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8* %3, i8* %8)
ret i32 0
}