#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 *, ...);
void print_board(int board[4][4]) {
  int row, col;
  for (row = 0; row < 4; row++) {
    for (col = 0; col < 4; col++) {
      if (board[row][col] == 0) {
        printf(" %2c ", 32);
      } else {
        printf(" %2d ", board[row][col]);
      }
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<print_board>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x4,-0xc(%rbp)
jge    11c6 <print_board+0xb6>
movl   $0x0,-0x10(%rbp)
cmpl   $0x4,-0x10(%rbp)
jge    11aa <print_board+0x9a>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
shl    $0x4,%rcx
add    %rcx,%rax
movslq -0x10(%rbp),%rcx
cmpl   $0x0,(%rax,%rcx,4)
jne    1173 <print_board+0x63>
lea    0xe9e(%rip),%rdi
mov    $0x20,%esi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1197 <print_board+0x87>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
shl    $0x4,%rcx
add    %rcx,%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe76(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    119c <print_board+0x8c>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <print_board+0x24>
lea    0xe5b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <print_board+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_board>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rdi,%r12
lea    0xece(%rip),%r14
lea    0xecd(%rip),%r15
xor    %ebx,%ebx
jmp    1163 <print_board+0x43>
nopl   (%rax)
mov    %r14,%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x10,%rbx
cmp    $0x40,%rbx
je     11d4 <print_board+0xb4>
mov    (%r12,%rbx,1),%esi
test   %esi,%esi
je     1170 <print_board+0x50>
mov    %r15,%rdi
jmp    1178 <print_board+0x58>
mov    %r14,%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%r12,%rbx,1),%esi
test   %esi,%esi
je     1190 <print_board+0x70>
mov    %r15,%rdi
jmp    1198 <print_board+0x78>
nopl   (%rax)
mov    %r14,%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%r12,%rbx,1),%esi
test   %esi,%esi
je     11b0 <print_board+0x90>
mov    %r15,%rdi
jmp    11b8 <print_board+0x98>
nopl   (%rax)
mov    %r14,%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%r12,%rbx,1),%esi
test   %esi,%esi
je     1140 <print_board+0x20>
mov    %r15,%rdi
jmp    1148 <print_board+0x28>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [6 x i8] c" %2c \00"
@.str.1 = [6 x i8] c" %2d \00"
@.str.2 = [2 x i8] c"\0A\00"
define void @print_board([4 x i32]* %0) {
%2 = alloca [4 x i32]*
%3 = alloca i32
%4 = alloca i32
store [4 x i32]* %0, [4 x i32]** %2
store i32 0, i32* %3
br label %5
5: ; preds = %40, %1
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 4
br i1 %7, label %8, label %43
8: ; preds = %5
store i32 0, i32* %4
br label %9
9: ; preds = %35, %8
%10 = load i32, i32* %4
%11 = icmp slt i32 %10, 4
br i1 %11, label %12, label %38
12: ; preds = %9
%13 = load [4 x i32]*, [4 x i32]** %2
%14 = load i32, i32* %3
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [4 x i32], [4 x i32]* %13, i64 %15
%17 = load i32, i32* %4
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds [4 x i32], [4 x i32]* %16, i64 0, i64 %18
%20 = load i32, i32* %19
%21 = icmp eq i32 %20, 0
br i1 %21, label %22, label %24
22: ; preds = %12
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 32)
br label %34
24: ; preds = %12
%25 = load [4 x i32]*, [4 x i32]** %2
%26 = load i32, i32* %3
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds [4 x i32], [4 x i32]* %25, i64 %27
%29 = load i32, i32* %4
%30 = sext i32 %29 to i64
%31 = getelementptr inbounds [4 x i32], [4 x i32]* %28, i64 0, i64 %30
%32 = load i32, i32* %31
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %32)
br label %34
34: ; preds = %24, %22
br label %35
35: ; preds = %34
%36 = load i32, i32* %4
%37 = add nsw i32 %36, 1
store i32 %37, i32* %4
br label %9
38: ; preds = %9
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %40
40: ; preds = %38
%41 = load i32, i32* %3
%42 = add nsw i32 %41, 1
store i32 %42, i32* %3
br label %5
43: ; preds = %5
ret void
}

LLVM IR (-O2):
@.str = [6 x i8] c" %2c \00"
@.str.1 = [6 x i8] c" %2d \00"
define void @print_board([4 x i32]* nocapture %0) {
br label %2
2: ; preds = %1, %35
%3 = phi i64 [ 0, %1 ], [ %37, %35 ]
%4 = getelementptr inbounds [4 x i32], [4 x i32]* %0, i64 %3, i64 0
%5 = load i32, i32* %4
%6 = icmp eq i32 %5, 0
br i1 %6, label %7, label %9
7: ; preds = %2
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 32)
br label %11
9: ; preds = %2
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %5)
br label %11
11: ; preds = %7, %9
%12 = getelementptr inbounds [4 x i32], [4 x i32]* %0, i64 %3, i64 1
%13 = load i32, i32* %12
%14 = icmp eq i32 %13, 0
br i1 %14, label %17, label %15
15: ; preds = %11
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %13)
br label %19
17: ; preds = %11
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 32)
br label %19
19: ; preds = %17, %15
%20 = getelementptr inbounds [4 x i32], [4 x i32]* %0, i64 %3, i64 2
%21 = load i32, i32* %20
%22 = icmp eq i32 %21, 0
br i1 %22, label %25, label %23
23: ; preds = %19
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %21)
br label %27
25: ; preds = %19
%26 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 32)
br label %27
27: ; preds = %25, %23
%28 = getelementptr inbounds [4 x i32], [4 x i32]* %0, i64 %3, i64 3
%29 = load i32, i32* %28
%30 = icmp eq i32 %29, 0
br i1 %30, label %33, label %31
31: ; preds = %27
%32 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %29)
br label %35
33: ; preds = %27
%34 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 32)
br label %35
35: ; preds = %33, %31
%36 = tail call i32 @putchar(i32 10)
%37 = add nuw nsw i64 %3, 1
%38 = icmp eq i64 %37, 4
br i1 %38, label %39, label %2
39: ; preds = %35
ret void
}