#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 travel_grid(int size, unsigned long grid[size][size]) {
  int c, r;
  for (r = 0; r < size; r++) {
    for (c = 0; c < size; c++) {
      printf("%ld ", grid[c][r]);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<travel_grid>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x4(%rbp),%eax
mov    %rax,-0x20(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    11a3 <travel_grid+0x93>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1187 <travel_grid+0x77>
mov    -0x20(%rbp),%rdx
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
imul   %rdx,%rcx
shl    $0x3,%rcx
add    %rcx,%rax
movslq -0x18(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
lea    0xe8e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1140 <travel_grid+0x30>
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    112d <travel_grid+0x1d>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<travel_grid>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %edi,%edi
jle    1191 <travel_grid+0x71>
mov    %rsi,%r15
mov    %edi,%ebp
lea    0x0(,%rbp,8),%rbx
lea    0xebd(%rip),%r12
xor    %r13d,%r13d
mov    %rbp,(%rsp)
nopw   0x0(%rax,%rax,1)
mov    %r15,%r14
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    (%r14),%rsi
mov    %r12,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    %rbx,%r14
add    $0xffffffffffffffff,%rbp
jne    1160 <travel_grid+0x40>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r13
add    $0x8,%r15
mov    (%rsp),%rbp
cmp    %rbp,%r13
jne    1150 <travel_grid+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

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