#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 */
float sqrtf(float);
void sutNormalizeVector3(float *inVector) {
  float len = sqrtf(inVector[0] * inVector[0] + inVector[1] * inVector[1] +
                    inVector[2] * inVector[2]);
  float invLen = (len == 0.0f) ? 1.0f : 1.0f / len;
  inVector[0] *= invLen;
  inVector[1] *= invLen;
  inVector[2] *= invLen;
}


x86 assembly (clang, -O0):
<sutNormalizeVector3>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%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>
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    1193 <sutNormalizeVector3+0x83>
jp     1193 <sutNormalizeVector3+0x83>
movss  0xe77(%rip),%xmm0
movss  %xmm0,-0x14(%rbp)
jmp    11a5 <sutNormalizeVector3+0x95>
movss  0xe65(%rip),%xmm0
divss  -0xc(%rbp),%xmm0
movss  %xmm0,-0x14(%rbp)
movss  -0x14(%rbp),%xmm0
movss  %xmm0,-0x10(%rbp)
movss  -0x10(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  (%rax),%xmm0
movss  %xmm0,(%rax)
movss  -0x10(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  0x4(%rax),%xmm0
movss  %xmm0,0x4(%rax)
movss  -0x10(%rbp),%xmm0
mov    -0x8(%rbp),%rax
mulss  0x8(%rax),%xmm0
movss  %xmm0,0x8(%rax)
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<sutNormalizeVector3>:
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
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jb     1144 <sutNormalizeVector3+0x34>
sqrtss %xmm0,%xmm0
jmp    114c <sutNormalizeVector3+0x3c>
call   1030 <sqrtf@plt>
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jne    115d <sutNormalizeVector3+0x4d>
jp     115d <sutNormalizeVector3+0x4d>
movss  0xea5(%rip),%xmm1
jmp    1169 <sutNormalizeVector3+0x59>
movss  0xe9b(%rip),%xmm1
divss  %xmm0,%xmm1
movss  (%rbx),%xmm0
mulss  %xmm1,%xmm0
movss  %xmm0,(%rbx)
movss  0x4(%rbx),%xmm0
mulss  %xmm1,%xmm0
movss  %xmm0,0x4(%rbx)
mulss  0x8(%rbx),%xmm1
movss  %xmm1,0x8(%rbx)
pop    %rbx
ret

LLVM IR (-O0):
define void @sutNormalizeVector3(float* %0) {
%2 = alloca float*
%3 = alloca float
%4 = alloca float
store float* %0, float** %2
%5 = load float*, float** %2
%6 = getelementptr inbounds float, float* %5, i64 0
%7 = load float, float* %6
%8 = load float*, float** %2
%9 = getelementptr inbounds float, float* %8, i64 0
%10 = load float, float* %9
%11 = load float*, float** %2
%12 = getelementptr inbounds float, float* %11, i64 1
%13 = load float, float* %12
%14 = load float*, float** %2
%15 = getelementptr inbounds float, float* %14, i64 1
%16 = load float, float* %15
%17 = fmul float %13, %16
%18 = call float @llvm.fmuladd.f32(float %7, float %10, float %17)
%19 = load float*, float** %2
%20 = getelementptr inbounds float, float* %19, i64 2
%21 = load float, float* %20
%22 = load float*, float** %2
%23 = getelementptr inbounds float, float* %22, i64 2
%24 = load float, float* %23
%25 = call float @llvm.fmuladd.f32(float %21, float %24, float %18)
%26 = call float @sqrtf(float %25)
store float %26, float* %3
%27 = load float, float* %3
%28 = fcmp oeq float %27, 0.000000e+00
br i1 %28, label %29, label %30
29: ; preds = %1
br label %33
30: ; preds = %1
%31 = load float, float* %3
%32 = fdiv float 1.000000e+00, %31
br label %33
33: ; preds = %30, %29
%34 = phi float [ 1.000000e+00, %29 ], [ %32, %30 ]
store float %34, float* %4
%35 = load float, float* %4
%36 = load float*, float** %2
%37 = getelementptr inbounds float, float* %36, i64 0
%38 = load float, float* %37
%39 = fmul float %38, %35
store float %39, float* %37
%40 = load float, float* %4
%41 = load float*, float** %2
%42 = getelementptr inbounds float, float* %41, i64 1
%43 = load float, float* %42
%44 = fmul float %43, %40
store float %44, float* %42
%45 = load float, float* %4
%46 = load float*, float** %2
%47 = getelementptr inbounds float, float* %46, i64 2
%48 = load float, float* %47
%49 = fmul float %48, %45
store float %49, float* %47
ret void
}

LLVM IR (-O2):
define void @sutNormalizeVector3(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 float @sqrtf(float %9)
%11 = fcmp oeq float %10, 0.000000e+00
%12 = fdiv float 1.000000e+00, %10
%13 = select i1 %11, float 1.000000e+00, float %12
%14 = load float, float* %0
%15 = fmul float %14, %13
store float %15, float* %0
%16 = load float, float* %3
%17 = fmul float %13, %16
store float %17, float* %3
%18 = load float, float* %7
%19 = fmul float %13, %18
store float %19, float* %7
ret void
}