#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("%i %i %i %i \n", a, b, c, d);
  int i, N = 7;
  int tab[7] = {0, 1, 2, 3, 4, 5, 6};
  for (i = 0; i < N; tab[i++] = i)
    printf("%d ", tab[i]);
  printf("\n");
  for (i = 0; i < N; tab[++i] = i)
    printf("%d ", tab[i]);
  i = 1;
  while ((i *= 2) < N)
    ;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%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>
movl   $0x7,-0x1c(%rbp)
mov    0xebc(%rip),%rax
mov    %rax,-0x40(%rbp)
mov    0xeb9(%rip),%rax
mov    %rax,-0x38(%rbp)
mov    0xeb6(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xeb4(%rip),%eax
mov    %eax,-0x28(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    11c9 <main+0xb9>
movslq -0x18(%rbp),%rax
mov    -0x40(%rbp,%rax,4),%esi
lea    0xe65(%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,-0x40(%rbp,%rax,4)
jmp    118e <main+0x7e>
lea    0xe3c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    1217 <main+0x107>
movslq -0x18(%rbp),%rax
mov    -0x40(%rbp,%rax,4),%esi
lea    0xe15(%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,-0x40(%rbp,%rax,4)
jmp    11de <main+0xce>
movl   $0x1,-0x18(%rbp)
mov    -0x18(%rbp),%eax
shl    $0x1,%eax
mov    %eax,-0x18(%rbp)
cmp    -0x1c(%rbp),%eax
jge    1235 <main+0x125>
jmp    121e <main+0x10e>
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rdi
xor    %esi,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecf(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

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