#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 sqrtf(float);
void tdNormalizeSelf(float *vin) {
  float vsq = 1. / sqrtf(vin[0] * vin[0] + vin[1] * vin[1] + vin[2] * vin[2]);
  vin[0] *= vsq;
  vin[1] *= vsq;
  vin[2] *= vsq;
}


x86 assembly (clang, -O0):
<tdNormalizeSelf>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
movss  (%rax),%xmm1
mov    -0x8(%rbp),%rax
movss  (%rax),%xmm2
mov    -0x8(%rbp),%rax
movss  0x4(%rax),%xmm0
mov    -0x8(%rbp),%rax
mulss  0x4(%rax),%xmm0
mulss  %xmm2,%xmm1
addss  %xmm0,%xmm1
mov    -0x8(%rbp),%rax
movss  0x8(%rax),%xmm0
mov    -0x8(%rbp),%rax
movss  0x8(%rax),%xmm2
mulss  %xmm2,%xmm0
addss  %xmm1,%xmm0
call   1030 <sqrtf@plt>
cvtsi2sd %eax,%xmm1
movsd  0xe8f(%rip),%xmm0
divsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  (%rax),%xmm0
movss  %xmm0,(%rax)
movss  -0xc(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  0x4(%rax),%xmm0
movss  %xmm0,0x4(%rax)
movss  -0xc(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  0x8(%rax),%xmm0
movss  %xmm0,0x8(%rax)
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<tdNormalizeSelf>:
push   %rbx
mov    %rdi,%rbx
movss  (%rdi),%xmm1
movss  0x4(%rdi),%xmm0
mulss  %xmm0,%xmm0
mulss  %xmm1,%xmm1
addss  %xmm0,%xmm1
movss  0x8(%rdi),%xmm0
mulss  %xmm0,%xmm0
addss  %xmm1,%xmm0
call   1030 <sqrtf@plt>
xorps  %xmm0,%xmm0
cvtsi2sd %eax,%xmm0
movsd  0xeb6(%rip),%xmm1
divsd  %xmm0,%xmm1
xorps  %xmm0,%xmm0
cvtsd2ss %xmm1,%xmm0
movss  (%rbx),%xmm1
mulss  %xmm0,%xmm1
movss  %xmm1,(%rbx)
movss  0x4(%rbx),%xmm1
mulss  %xmm0,%xmm1
movss  %xmm1,0x4(%rbx)
mulss  0x8(%rbx),%xmm0
movss  %xmm0,0x8(%rbx)
pop    %rbx
ret

LLVM IR (-O0):
define void @tdNormalizeSelf(float* %0) {
%2 = alloca float*
%3 = alloca float
store float* %0, float** %2
%4 = load float*, float** %2
%5 = getelementptr inbounds float, float* %4, i64 0
%6 = load float, float* %5
%7 = load float*, float** %2
%8 = getelementptr inbounds float, float* %7, i64 0
%9 = load float, float* %8
%10 = load float*, float** %2
%11 = getelementptr inbounds float, float* %10, i64 1
%12 = load float, float* %11
%13 = load float*, float** %2
%14 = getelementptr inbounds float, float* %13, i64 1
%15 = load float, float* %14
%16 = fmul float %12, %15
%17 = call float @llvm.fmuladd.f32(float %6, float %9, float %16)
%18 = load float*, float** %2
%19 = getelementptr inbounds float, float* %18, i64 2
%20 = load float, float* %19
%21 = load float*, float** %2
%22 = getelementptr inbounds float, float* %21, i64 2
%23 = load float, float* %22
%24 = call float @llvm.fmuladd.f32(float %20, float %23, float %17)
%25 = call i32 @sqrtf(float %24)
%26 = sitofp i32 %25 to double
%27 = fdiv double 1.000000e+00, %26
%28 = fptrunc double %27 to float
store float %28, float* %3
%29 = load float, float* %3
%30 = load float*, float** %2
%31 = getelementptr inbounds float, float* %30, i64 0
%32 = load float, float* %31
%33 = fmul float %32, %29
store float %33, float* %31
%34 = load float, float* %3
%35 = load float*, float** %2
%36 = getelementptr inbounds float, float* %35, i64 1
%37 = load float, float* %36
%38 = fmul float %37, %34
store float %38, float* %36
%39 = load float, float* %3
%40 = load float*, float** %2
%41 = getelementptr inbounds float, float* %40, i64 2
%42 = load float, float* %41
%43 = fmul float %42, %39
store float %43, float* %41
ret void
}

LLVM IR (-O2):
define void @tdNormalizeSelf(float* nocapture %0) {
%2 = load float, float* %0
%3 = getelementptr inbounds float, float* %0, i64 1
%4 = load float, float* %3
%5 = fmul float %4, %4
%6 = tail call float @llvm.fmuladd.f32(float %2, float %2, float %5)
%7 = getelementptr inbounds float, float* %0, i64 2
%8 = load float, float* %7
%9 = tail call float @llvm.fmuladd.f32(float %8, float %8, float %6)
%10 = tail call i32 @sqrtf(float %9)
%11 = sitofp i32 %10 to double
%12 = fdiv double 1.000000e+00, %11
%13 = fptrunc double %12 to float
%14 = load float, float* %0
%15 = fmul float %14, %13
store float %15, float* %0
%16 = load float, float* %3
%17 = fmul float %16, %13
store float %17, float* %3
%18 = load float, float* %7
%19 = fmul float %18, %13
store float %19, float* %7
ret void
}