#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 */
scalar_t__ rand();
void random_matrix_long_2d(long **a, const unsigned int rows,
                           const unsigned int cols) {
  for (unsigned int r = 0; r < rows; r++) {
    for (unsigned int c = 0; c < cols; c++) {
      a[r][c] = (long)rand();
    }
  }
}


x86 assembly (clang, -O0):
<random_matrix_long_2d>:
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
jae    1185 <random_matrix_long_2d+0x75>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jae    1172 <random_matrix_long_2d+0x62>
mov    $0x0,%al
call   1030 <rand@plt>
mov    %rax,%rdx
mov    -0x8(%rbp),%rax
mov    -0x14(%rbp),%ecx
mov    (%rax,%rcx,8),%rax
mov    -0x18(%rbp),%ecx
mov    %rdx,(%rax,%rcx,8)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <random_matrix_long_2d+0x2c>
jmp    1177 <random_matrix_long_2d+0x67>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <random_matrix_long_2d+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<random_matrix_long_2d>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %esi,%esi
je     115a <random_matrix_long_2d+0x4a>
mov    %edx,%r14d
mov    %rdi,%r12
mov    %esi,%r15d
mov    %edx,%r13d
xor    %ebx,%ebx
jmp    1139 <random_matrix_long_2d+0x29>
nop
add    $0x1,%rbx
cmp    %r15,%rbx
je     115a <random_matrix_long_2d+0x4a>
test   %r14d,%r14d
je     1130 <random_matrix_long_2d+0x20>
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <rand@plt>
mov    (%r12,%rbx,8),%rcx
mov    %rax,(%rcx,%rbp,8)
add    $0x1,%rbp
cmp    %rbp,%r13
jne    1140 <random_matrix_long_2d+0x30>
jmp    1130 <random_matrix_long_2d+0x20>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @random_matrix_long_2d(i64** %0, i32 %1, i32 %2) {
%4 = alloca i64**
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i64** %0, i64*** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %32, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp ult i32 %10, %11
br i1 %12, label %13, label %35
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 ult i32 %15, %16
br i1 %17, label %18, label %31
18: ; preds = %14
%19 = call i64 (...) @rand()
%20 = load i64**, i64*** %4
%21 = load i32, i32* %7
%22 = zext i32 %21 to i64
%23 = getelementptr inbounds i64*, i64** %20, i64 %22
%24 = load i64*, i64** %23
%25 = load i32, i32* %8
%26 = zext i32 %25 to i64
%27 = getelementptr inbounds i64, i64* %24, i64 %26
store i64 %19, i64* %27
br label %28
28: ; preds = %18
%29 = load i32, i32* %8
%30 = add i32 %29, 1
store i32 %30, i32* %8
br label %14
31: ; preds = %14
br label %32
32: ; preds = %31
%33 = load i32, i32* %7
%34 = add i32 %33, 1
store i32 %34, i32* %7
br label %9
35: ; preds = %9
ret void
}

LLVM IR (-O2):
define void @random_matrix_long_2d(i64** nocapture %0, i32 %1, i32 %2) {
%4 = icmp eq i32 %1, 0
br i1 %4, label %13, label %5
5: ; preds = %3
%6 = icmp eq i32 %2, 0
%7 = zext i32 %1 to i64
%8 = zext i32 %2 to i64
br label %9
9: ; preds = %5, %14
%10 = phi i64 [ 0, %5 ], [ %15, %14 ]
br i1 %6, label %14, label %11
11: ; preds = %9
%12 = getelementptr inbounds i64*, i64** %0, i64 %10
br label %17
13: ; preds = %14, %3
ret void
14: ; preds = %17, %9
%15 = add nuw nsw i64 %10, 1
%16 = icmp eq i64 %15, %7
br i1 %16, label %13, label %9
17: ; preds = %11, %17
%18 = phi i64 [ 0, %11 ], [ %22, %17 ]
%19 = tail call i64 (...) @rand()
%20 = load i64*, i64** %12
%21 = getelementptr inbounds i64, i64* %20, i64 %18
store i64 %19, i64* %21
%22 = add nuw nsw i64 %18, 1
%23 = icmp eq i64 %22, %8
br i1 %23, label %14, label %17
}