#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 rellenaMatriz(int **matriz, int nFil, int nCol) {
  int i = 0, j = 0;
  int nAle = 0;
  for (i = 0; i < nFil; i++) {
    for (j = 0; j < nCol; j++) {
      nAle = rand() % (20 - 1 + 1) + 1;
      *(*(matriz + i) + j) = nAle;
    }
  }
}


x86 assembly (clang, -O0):
<rellenaMatriz>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11a9 <rellenaMatriz+0x99>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1196 <rellenaMatriz+0x86>
mov    $0x0,%al
call   1030 <rand@plt>
mov    $0x14,%ecx
cltd
idiv   %ecx
add    $0x1,%edx
mov    %edx,-0x1c(%rbp)
mov    -0x1c(%rbp),%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    1151 <rellenaMatriz+0x41>
jmp    119b <rellenaMatriz+0x8b>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    113e <rellenaMatriz+0x2e>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<rellenaMatriz>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %esi,%esi
jle    117c <rellenaMatriz+0x6c>
mov    %edx,%r14d
mov    %rdi,%r12
mov    %esi,%r15d
mov    %edx,%r13d
xor    %ebx,%ebx
jmp    1139 <rellenaMatriz+0x29>
nop
add    $0x1,%rbx
cmp    %r15,%rbx
je     117c <rellenaMatriz+0x6c>
test   %r14d,%r14d
jle    1130 <rellenaMatriz+0x20>
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <rand@plt>
cltq
imul   $0x66666667,%rax,%rcx
mov    %rcx,%rdx
shr    $0x3f,%rdx
sar    $0x23,%rcx
add    %edx,%ecx
shl    $0x2,%ecx
lea    (%rcx,%rcx,4),%ecx
neg    %ecx
add    %ecx,%eax
add    $0x1,%eax
mov    (%r12,%rbx,8),%rcx
mov    %eax,(%rcx,%rbp,4)
add    $0x1,%rbp
cmp    %rbp,%r13
jne    1140 <rellenaMatriz+0x30>
jmp    1130 <rellenaMatriz+0x20>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @rellenaMatriz(i32** %0, i32 %1, i32 %2) {
%4 = alloca i32**
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
store i32** %0, i32*** %4
store i32 %1, i32* %5
store i32 %2, i32* %6
store i32 0, i32* %7
store i32 0, i32* %8
store i32 0, i32* %9
store i32 0, i32* %7
br label %10
10: ; preds = %36, %3
%11 = load i32, i32* %7
%12 = load i32, i32* %5
%13 = icmp slt i32 %11, %12
br i1 %13, label %14, label %39
14: ; preds = %10
store i32 0, i32* %8
br label %15
15: ; preds = %32, %14
%16 = load i32, i32* %8
%17 = load i32, i32* %6
%18 = icmp slt i32 %16, %17
br i1 %18, label %19, label %35
19: ; preds = %15
%20 = call i32 (...) @rand()
%21 = srem i32 %20, 20
%22 = add nsw i32 %21, 1
store i32 %22, i32* %9
%23 = load i32, i32* %9
%24 = load i32**, i32*** %4
%25 = load i32, i32* %7
%26 = sext i32 %25 to i64
%27 = getelementptr inbounds i32*, i32** %24, i64 %26
%28 = load i32*, i32** %27
%29 = load i32, i32* %8
%30 = sext i32 %29 to i64
%31 = getelementptr inbounds i32, i32* %28, i64 %30
store i32 %23, i32* %31
br label %32
32: ; preds = %19
%33 = load i32, i32* %8
%34 = add nsw i32 %33, 1
store i32 %34, i32* %8
br label %15
35: ; preds = %15
br label %36
36: ; preds = %35
%37 = load i32, i32* %7
%38 = add nsw i32 %37, 1
store i32 %38, i32* %7
br label %10
39: ; preds = %10
ret void
}

LLVM IR (-O2):
define void @rellenaMatriz(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, 20
%17 = add nsw i32 %16, 1
%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
}