#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[20][40]) {
  int i, j;
  for (i = 0; i < 20; i++) {
    for (j = 0; j < 40; j++) {
      if (board[i][j] == 0)
        printf("%c ", ' ');
      else
        printf("%c ", '*');
    }
    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   $0x14,-0xc(%rbp)
jge    11b8 <print_board+0xa8>
movl   $0x0,-0x10(%rbp)
cmpl   $0x28,-0x10(%rbp)
jge    119c <print_board+0x8c>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
imul   $0xa0,%rcx,%rcx
add    %rcx,%rax
movslq -0x10(%rbp),%rcx
cmpl   $0x0,(%rax,%rcx,4)
jne    1176 <print_board+0x66>
lea    0xe9b(%rip),%rdi
mov    $0x20,%esi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1189 <print_board+0x79>
lea    0xe83(%rip),%rdi
mov    $0x2a,%esi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    118e <print_board+0x7e>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <print_board+0x24>
lea    0xe61(%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
xor    %r15d,%r15d
jmp    115b <print_board+0x3b>
nopw   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r15
add    $0xa0,%r12
cmp    $0x14,%r15
je     1187 <print_board+0x67>
xor    %ebx,%ebx
jmp    1174 <print_board+0x54>
nop
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    $0x28,%rbx
je     1140 <print_board+0x20>
cmpl   $0x0,(%r12,%rbx,4)
mov    $0x20,%esi
je     1160 <print_board+0x40>
mov    $0x2a,%esi
jmp    1160 <print_board+0x40>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
@.str = [4 x i8] c"%c \00"
define void @print_board([40 x i32]* nocapture %0) {
br label %2
2: ; preds = %1, %13
%3 = phi i64 [ 0, %1 ], [ %15, %13 ]
br label %4
4: ; preds = %2, %4
%5 = phi i64 [ 0, %2 ], [ %11, %4 ]
%6 = getelementptr inbounds [40 x i32], [40 x i32]* %0, i64 %3, i64 %5
%7 = load i32, i32* %6
%8 = icmp eq i32 %7, 0
%9 = select i1 %8, i32 32, i32 42
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = add nuw nsw i64 %5, 1
%12 = icmp eq i64 %11, 40
br i1 %12, label %13, label %4
13: ; preds = %4
%14 = tail call i32 @putchar(i32 10)
%15 = add nuw nsw i64 %3, 1
%16 = icmp eq i64 %15, 20
br i1 %16, label %17, label %2
17: ; preds = %13
ret void
}