#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 dumpCodingMatrix(unsigned char *buf, int n1, int n2) {
  int i, j;
  for (i = 0; i < n1; i++) {
    for (j = 0; j < n2; j++) {
      printf(" %d", 0xff & buf[j + (i * n2)]);
    }
    printf("\n");
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<dumpCodingMatrix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    119d <dumpCodingMatrix+0x8d>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1181 <dumpCodingMatrix+0x71>
mov    -0x8(%rbp),%rax
mov    -0x18(%rbp),%ecx
mov    -0x14(%rbp),%edx
imul   -0x10(%rbp),%edx
add    %edx,%ecx
movslq %ecx,%rcx
movzbl (%rax,%rcx,1),%esi
and    $0xff,%esi
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <dumpCodingMatrix+0x2c>
lea    0xe7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <dumpCodingMatrix+0x19>
lea    0xe60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dumpCodingMatrix>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %edx,0xc(%rsp)
test   %esi,%esi
jle    11aa <dumpCodingMatrix+0x8a>
mov    %rdi,%rbx
movslq 0xc(%rsp),%r15
mov    %esi,%eax
mov    %rax,0x10(%rsp)
mov    %r15d,%ebp
lea    0xeb1(%rip),%r13
xor    %r14d,%r14d
jmp    1178 <dumpCodingMatrix+0x58>
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r14
add    %r15,%rbx
cmp    0x10(%rsp),%r14
je     11aa <dumpCodingMatrix+0x8a>
cmpl   $0x0,0xc(%rsp)
jle    1160 <dumpCodingMatrix+0x40>
xor    %r12d,%r12d
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
movzbl (%rbx,%r12,1),%esi
mov    %r13,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%r12
cmp    %r12,%rbp
jne    1190 <dumpCodingMatrix+0x70>
jmp    1160 <dumpCodingMatrix+0x40>
mov    $0xa,%edi
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [4 x i8] c" %d\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @dumpCodingMatrix(i8* %0, i32 %1, i32 %2) {
%4 = alloca i8*
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i8* %0, i8** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %36, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %39
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %31, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %34
18: ; preds = %14
%19 = load i8*, i8** %4
%20 = load i32, i32* %8
%21 = load i32, i32* %7
%22 = load i32, i32* %6
%23 = mul nsw i32 %21, %22
%24 = add nsw i32 %20, %23
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds i8, i8* %19, i64 %25
%27 = load i8, i8* %26
%28 = zext i8 %27 to i32
%29 = and i32 255, %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %18
%32 = load i32, i32* %8
%33 = add nsw i32 %32, 1
store i32 %33, i32* %8
br label %14
34: ; preds = %14
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %36
36: ; preds = %34
%37 = load i32, i32* %7
%38 = add nsw i32 %37, 1
store i32 %38, i32* %7
br label %9
39: ; preds = %9
%40 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret void
}

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