#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);
int /*<<< orphan*/ putchar(char);
void mat_write(int m[][80], int r, int c) {
  int i, j;
  for (i = 0; i < r; ++i) {
    for (j = 0; j < c; ++j)
      printf("% 5d ", m[i][j]);
    putchar('\n');
  }
  putchar('\n');
}


x86 assembly (clang, -O0):
<mat_write>:
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    11a3 <mat_write+0x83>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    118b <mat_write+0x6b>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
imul   $0x140,%rcx,%rcx
add    %rcx,%rax
movslq -0x18(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe88(%rip),%rdi
call   1040 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    114c <mat_write+0x2c>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1139 <mat_write+0x19>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<mat_write>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %edx,0x4(%rsp)
test   %esi,%esi
jle    1197 <mat_write+0x77>
mov    %rdi,%rbx
mov    %esi,%r15d
mov    0x4(%rsp),%ebp
xor    %r13d,%r13d
lea    0xeb9(%rip),%r12
jmp    116a <mat_write+0x4a>
nopl   0x0(%rax)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r13
add    $0x140,%rbx
cmp    %r15,%r13
je     1197 <mat_write+0x77>
cmpl   $0x0,0x4(%rsp)
jle    1150 <mat_write+0x30>
xor    %r14d,%r14d
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    (%rbx,%r14,4),%esi
mov    %r12,%rdi
call   1040 <printf@plt>
add    $0x1,%r14
cmp    %r14,%rbp
jne    1180 <mat_write+0x60>
jmp    1150 <mat_write+0x30>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [6 x i8] c"% 5d \00"
define void @mat_write([80 x i32]* %0, i32 %1, i32 %2) {
%4 = alloca [80 x i32]*
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store [80 x i32]* %0, [80 x i32]** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %33, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %36
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %28, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %31
18: ; preds = %14
%19 = load [80 x i32]*, [80 x i32]** %4
%20 = load i32, i32* %7
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds [80 x i32], [80 x i32]* %19, i64 %21
%23 = load i32, i32* %8
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds [80 x i32], [80 x i32]* %22, i64 0, i64 %24
%26 = load i32, i32* %25
%27 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %26)
br label %28
28: ; preds = %18
%29 = load i32, i32* %8
%30 = add nsw i32 %29, 1
store i32 %30, i32* %8
br label %14
31: ; preds = %14
%32 = call i32 @putchar(i8 signext 10)
br label %33
33: ; preds = %31
%34 = load i32, i32* %7
%35 = add nsw i32 %34, 1
store i32 %35, i32* %7
br label %9
36: ; preds = %9
%37 = call i32 @putchar(i8 signext 10)
ret void
}

LLVM IR (-O2):
@.str = [6 x i8] c"% 5d \00"
define void @mat_write([80 x i32]* nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %22
5: ; preds = %3
%6 = icmp sgt i32 %2, 0
%7 = zext i32 %1 to i64
%8 = zext i32 %2 to i64
br label %9
9: ; preds = %5, %18
%10 = phi i64 [ 0, %5 ], [ %20, %18 ]
br i1 %6, label %11, label %18
11: ; preds = %9, %11
%12 = phi i64 [ %16, %11 ], [ 0, %9 ]
%13 = getelementptr inbounds [80 x i32], [80 x i32]* %0, i64 %10, i64 %12
%14 = load i32, i32* %13
%15 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = add nuw nsw i64 %12, 1
%17 = icmp eq i64 %16, %8
br i1 %17, label %18, label %11
18: ; preds = %11, %9
%19 = tail call i32 @putchar(i8 signext 10)
%20 = add nuw nsw i64 %10, 1
%21 = icmp eq i64 %20, %7
br i1 %21, label %22, label %9
22: ; preds = %18, %3
%23 = tail call i32 @putchar(i8 signext 10)
ret void
}