#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 dct_print_matrix(int mat[][8]) {
  int r, c;
  for (r = 0; r < 8; r++) {
    for (c = 0; c < 8; c++) {
      printf("%d  ", mat[r][c]);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<dct_print_matrix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x8,-0xc(%rbp)
jge    118c <dct_print_matrix+0x7c>
movl   $0x0,-0x10(%rbp)
cmpl   $0x8,-0x10(%rbp)
jge    1170 <dct_print_matrix+0x60>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
shl    $0x5,%rcx
add    %rcx,%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <dct_print_matrix+0x24>
lea    0xe8e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <dct_print_matrix+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dct_print_matrix>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r15
lea    0xed1(%rip),%r14
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    (%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x1c(%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x20,%rbx
cmp    $0x100,%rbx
jne    1140 <dct_print_matrix+0x20>
pop    %rbx
pop    %r14
pop    %r15
ret

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

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