#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 */
double random_number();
void setvalues0(double *vx, double *vy, double *vz, size_t size) {
  size_t i;
  for (i = 0; i < size; i++) {
    vx[i] = random_number();
    vy[i] = random_number();
    vz[i] = random_number();
  }
}


x86 assembly (clang, -O0):
<setvalues0>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %rcx,-0x20(%rbp)
movq   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%rax
cmp    -0x20(%rbp),%rax
jae    118b <setvalues0+0x7b>
mov    $0x0,%al
call   1030 <random_number@plt>
mov    -0x8(%rbp),%rax
mov    -0x28(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    $0x0,%al
call   1030 <random_number@plt>
mov    -0x10(%rbp),%rax
mov    -0x28(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    $0x0,%al
call   1030 <random_number@plt>
mov    -0x18(%rbp),%rax
mov    -0x28(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x28(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x28(%rbp)
jmp    1130 <setvalues0+0x20>
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<setvalues0>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
test   %rcx,%rcx
je     1161 <setvalues0+0x51>
mov    %rcx,%r12
mov    %rdx,%r14
mov    %rsi,%r15
mov    %rdi,%r13
xor    %ebx,%ebx
nopl   0x0(%rax)
xor    %eax,%eax
call   1030 <random_number@plt>
movsd  %xmm0,0x0(%r13,%rbx,8)
xor    %eax,%eax
call   1030 <random_number@plt>
movsd  %xmm0,(%r15,%rbx,8)
xor    %eax,%eax
call   1030 <random_number@plt>
movsd  %xmm0,(%r14,%rbx,8)
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1130 <setvalues0+0x20>
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define void @setvalues0(double* %0, double* %1, double* %2, i64 %3) {
%5 = alloca double*
%6 = alloca double*
%7 = alloca double*
%8 = alloca i64
%9 = alloca i64
store double* %0, double** %5
store double* %1, double** %6
store double* %2, double** %7
store i64 %3, i64* %8
store i64 0, i64* %9
br label %10
10: ; preds = %27, %4
%11 = load i64, i64* %9
%12 = load i64, i64* %8
%13 = icmp ult i64 %11, %12
br i1 %13, label %14, label %30
14: ; preds = %10
%15 = call double (...) @random_number()
%16 = load double*, double** %5
%17 = load i64, i64* %9
%18 = getelementptr inbounds double, double* %16, i64 %17
store double %15, double* %18
%19 = call double (...) @random_number()
%20 = load double*, double** %6
%21 = load i64, i64* %9
%22 = getelementptr inbounds double, double* %20, i64 %21
store double %19, double* %22
%23 = call double (...) @random_number()
%24 = load double*, double** %7
%25 = load i64, i64* %9
%26 = getelementptr inbounds double, double* %24, i64 %25
store double %23, double* %26
br label %27
27: ; preds = %14
%28 = load i64, i64* %9
%29 = add i64 %28, 1
store i64 %29, i64* %9
br label %10
30: ; preds = %10
ret void
}

LLVM IR (-O2):
define void @setvalues0(double* nocapture writeonly %0, double* nocapture writeonly %1, double* nocapture writeonly %2, i64 %3) {
%5 = icmp eq i64 %3, 0
br i1 %5, label %16, label %6
6: ; preds = %4, %6
%7 = phi i64 [ %14, %6 ], [ 0, %4 ]
%8 = tail call double (...) @random_number()
%9 = getelementptr inbounds double, double* %0, i64 %7
store double %8, double* %9
%10 = tail call double (...) @random_number()
%11 = getelementptr inbounds double, double* %1, i64 %7
store double %10, double* %11
%12 = tail call double (...) @random_number()
%13 = getelementptr inbounds double, double* %2, i64 %7
store double %12, double* %13
%14 = add nuw i64 %7, 1
%15 = icmp eq i64 %14, %3
br i1 %15, label %16, label %6
16: ; preds = %6, %4
ret void
}