#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 rand();
void fill_matrix(int **matrix, int num_rows, int num_cols) {
  int i, j;
  for (i = 0; i < num_rows; i++)
    for (j = 0; j < num_cols; j++)
      matrix[i][j] = rand() % 100 - 50;
}


x86 assembly (clang, -O0):
<fill_matrix>:
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    118e <fill_matrix+0x7e>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    117b <fill_matrix+0x6b>
mov    $0x0,%al
call   1030 <rand@plt>
mov    $0x64,%ecx
cltd
idiv   %ecx
sub    $0x32,%edx
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
mov    %edx,(%rax,%rcx,4)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <fill_matrix+0x2c>
jmp    1180 <fill_matrix+0x70>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <fill_matrix+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fill_matrix>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %esi,%esi
jle    1179 <fill_matrix+0x69>
mov    %edx,%r14d
mov    %rdi,%r12
mov    %esi,%r15d
mov    %edx,%r13d
xor    %ebx,%ebx
jmp    1139 <fill_matrix+0x29>
nop
add    $0x1,%rbx
cmp    %r15,%rbx
je     1179 <fill_matrix+0x69>
test   %r14d,%r14d
jle    1130 <fill_matrix+0x20>
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <rand@plt>
cltq
imul   $0x51eb851f,%rax,%rcx
mov    %rcx,%rdx
shr    $0x3f,%rdx
sar    $0x25,%rcx
add    %edx,%ecx
imul   $0x64,%ecx,%ecx
neg    %ecx
add    %ecx,%eax
add    $0xffffffce,%eax
mov    (%r12,%rbx,8),%rcx
mov    %eax,(%rcx,%rbp,4)
add    $0x1,%rbp
cmp    %rbp,%r13
jne    1140 <fill_matrix+0x30>
jmp    1130 <fill_matrix+0x20>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @fill_matrix(i32** %0, i32 %1, i32 %2) {
%4 = alloca i32**
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32** %0, i32*** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
br label %9
9: ; preds = %34, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %37
13: ; preds = %9
store i32 0, i32* %8
br label %14
14: ; preds = %30, %13
%15 = load i32, i32* %8
%16 = load i32, i32* %6
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %33
18: ; preds = %14
%19 = call i32 (...) @rand()
%20 = srem i32 %19, 100
%21 = sub nsw i32 %20, 50
%22 = load i32**, i32*** %4
%23 = load i32, i32* %7
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds i32*, i32** %22, i64 %24
%26 = load i32*, i32** %25
%27 = load i32, i32* %8
%28 = sext i32 %27 to i64
%29 = getelementptr inbounds i32, i32* %26, i64 %28
store i32 %21, i32* %29
br label %30
30: ; preds = %18
%31 = load i32, i32* %8
%32 = add nsw i32 %31, 1
store i32 %32, i32* %8
br label %14
33: ; preds = %14
br label %34
34: ; preds = %33
%35 = load i32, i32* %7
%36 = add nsw i32 %35, 1
store i32 %36, i32* %7
br label %9
37: ; preds = %9
ret void
}

LLVM IR (-O2):
define void @fill_matrix(i32** nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %25
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, %22
%10 = phi i64 [ 0, %5 ], [ %23, %22 ]
br i1 %6, label %11, label %22
11: ; preds = %9
%12 = getelementptr inbounds i32*, i32** %0, i64 %10
br label %13
13: ; preds = %11, %13
%14 = phi i64 [ 0, %11 ], [ %20, %13 ]
%15 = tail call i32 (...) @rand()
%16 = srem i32 %15, 100
%17 = add nsw i32 %16, -50
%18 = load i32*, i32** %12
%19 = getelementptr inbounds i32, i32* %18, i64 %14
store i32 %17, i32* %19
%20 = add nuw nsw i64 %14, 1
%21 = icmp eq i64 %20, %8
br i1 %21, label %22, label %13
22: ; preds = %13, %9
%23 = add nuw nsw i64 %10, 1
%24 = icmp eq i64 %23, %7
br i1 %24, label %25, label %9
25: ; preds = %22, %3
ret void
}