#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*/ abort();
int main() {
  int i;
  char ia[16];
  char ic[16] = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45};
  char ib[16] = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45};
  for (i = 0; i < 16; i++) {
    ia[i] = ib[i] + ic[i];
  }
  for (i = 0; i < 16; i++) {
    if (ia[i] != ib[i] + ic[i])
      abort();
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeda(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xed7(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xec4(%rip),%rax
mov    %rax,-0x40(%rbp)
mov    0xec1(%rip),%rax
mov    %rax,-0x38(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x10,-0x8(%rbp)
jge    1188 <main+0x78>
movslq -0x8(%rbp),%rax
movsbl -0x40(%rbp,%rax,1),%eax
movslq -0x8(%rbp),%rcx
movsbl -0x30(%rbp,%rcx,1),%ecx
add    %ecx,%eax
mov    %al,%cl
movslq -0x8(%rbp),%rax
mov    %cl,-0x20(%rbp,%rax,1)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1152 <main+0x42>
movl   $0x0,-0x8(%rbp)
cmpl   $0x10,-0x8(%rbp)
jge    11d8 <main+0xc8>
movslq -0x8(%rbp),%rax
movsbl -0x20(%rbp,%rax,1),%eax
movslq -0x8(%rbp),%rcx
movsbl -0x40(%rbp,%rcx,1),%ecx
movslq -0x8(%rbp),%rdx
movsbl -0x30(%rbp,%rdx,1),%edx
add    %edx,%ecx
cmp    %ecx,%eax
je     11c5 <main+0xb5>
mov    $0x0,%al
call   1030 <abort@plt>
jmp    11ca <main+0xba>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    118f <main+0x7f>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
xor    %eax,%eax
ret

LLVM IR (-O0):
@__const.main.ic = [16 x i8] c"\00\03\06\09\0C\0F\12\15\18\1B\1E!$'*-"
@__const.main.ib = [16 x i8] c"\00\03\06\09\0C\0F\12\15\18\1B\1E!$'*-"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [16 x i8]
%4 = alloca [16 x i8]
%5 = alloca [16 x i8]
store i32 0, i32* %1
%6 = bitcast [16 x i8]* %4 to i8*
%7 = bitcast [16 x i8]* %5 to i8*
store i32 0, i32* %2
br label %8
8: ; preds = %27, %0
%9 = load i32, i32* %2
%10 = icmp slt i32 %9, 16
br i1 %10, label %11, label %30
11: ; preds = %8
%12 = load i32, i32* %2
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds [16 x i8], [16 x i8]* %5, i64 0, i64 %13
%15 = load i8, i8* %14
%16 = sext i8 %15 to i32
%17 = load i32, i32* %2
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds [16 x i8], [16 x i8]* %4, i64 0, i64 %18
%20 = load i8, i8* %19
%21 = sext i8 %20 to i32
%22 = add nsw i32 %16, %21
%23 = trunc i32 %22 to i8
%24 = load i32, i32* %2
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds [16 x i8], [16 x i8]* %3, i64 0, i64 %25
store i8 %23, i8* %26
br label %27
27: ; preds = %11
%28 = load i32, i32* %2
%29 = add nsw i32 %28, 1
store i32 %29, i32* %2
br label %8
30: ; preds = %8
store i32 0, i32* %2
br label %31
31: ; preds = %55, %30
%32 = load i32, i32* %2
%33 = icmp slt i32 %32, 16
br i1 %33, label %34, label %58
34: ; preds = %31
%35 = load i32, i32* %2
%36 = sext i32 %35 to i64
%37 = getelementptr inbounds [16 x i8], [16 x i8]* %3, i64 0, i64 %36
%38 = load i8, i8* %37
%39 = sext i8 %38 to i32
%40 = load i32, i32* %2
%41 = sext i32 %40 to i64
%42 = getelementptr inbounds [16 x i8], [16 x i8]* %5, i64 0, i64 %41
%43 = load i8, i8* %42
%44 = sext i8 %43 to i32
%45 = load i32, i32* %2
%46 = sext i32 %45 to i64
%47 = getelementptr inbounds [16 x i8], [16 x i8]* %4, i64 0, i64 %46
%48 = load i8, i8* %47
%49 = sext i8 %48 to i32
%50 = add nsw i32 %44, %49
%51 = icmp ne i32 %39, %50
br i1 %51, label %52, label %54
52: ; preds = %34
%53 = call i32 (...) @abort()
unreachable
54: ; preds = %34
br label %55
55: ; preds = %54
%56 = load i32, i32* %2
%57 = add nsw i32 %56, 1
store i32 %57, i32* %2
br label %31
58: ; preds = %31
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
ret i32 0
}