#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 main() {
  int a, b, c, d;
  a = b = c = d = 0;
  printf("A. %d %d %d %d\n", a, b, c, d);
  printf("B. ");
  int i, N = 5, tab[5] = {0, 1, 2, 3, 4};
  for (i = 0; i < N; tab[i++] = i)
    printf("%d ", tab[i]);
  printf("\nC. ");
  for (i = 0; i < N; tab[++i] = i)
    printf("%d ", tab[i]);
  i = 1;
  while ((i *= 2) < N)
    ;
  printf("\nD. %d\n", i);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x14(%rbp)
movl   $0x0,-0x10(%rbp)
movl   $0x0,-0xc(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
mov    -0x14(%rbp),%r8d
lea    0xeb1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x5,-0x1c(%rbp)
mov    0xebe(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xebb(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xeb9(%rip),%eax
mov    %eax,-0x20(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    11cc <main+0xbc>
movslq -0x18(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe68(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%ecx
mov    -0x18(%rbp),%eax
mov    %eax,%edx
add    $0x1,%edx
mov    %edx,-0x18(%rbp)
cltq
mov    %ecx,-0x30(%rbp,%rax,4)
jmp    1191 <main+0x81>
lea    0xe45(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    121a <main+0x10a>
movslq -0x18(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe18(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%ecx
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
cltq
mov    %ecx,-0x30(%rbp,%rax,4)
jmp    11e1 <main+0xd1>
movl   $0x1,-0x18(%rbp)
mov    -0x18(%rbp),%eax
shl    $0x1,%eax
mov    %eax,-0x18(%rbp)
cmp    -0x1c(%rbp),%eax
jge    1238 <main+0x128>
jmp    1221 <main+0x111>
mov    -0x18(%rbp),%esi
lea    0xddb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rdi
xor    %esi,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed7(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe8c(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe3e(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

LLVM IR (-O2):
@.str = [16 x i8] c"A. %d %d %d %d\0A\00"
@.str.1 = [4 x i8] c"B. \00"
@.str.2 = [4 x i8] c"%d \00"
@.str.3 = [5 x i8] c"\0AC. \00"
@.str.4 = [8 x i8] c"\0AD. %d\0A\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i32 0, i32 0, i32 0, i32 0)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 0)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 1)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 2)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 4)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 0)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 0)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 1)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 2)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 3)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0), i32 8)
ret i32 0
}