; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z12quat_forward4Quat)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%union.Vec3 = type { %struct.anon }
%struct.anon = type { float, float, float }
%union.Quat = type { [4 x float] }
%struct.anon.18 = type { float, float, float, float }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_Z14vec3_normalize4Vec3(<2 x float>, float) #3

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z12quat_forward4Quat(<2 x float> %0, <2 x float> %1) #3 {
  %3 = alloca %union.Vec3, align 4
  %4 = alloca %union.Quat, align 4
  %5 = alloca %union.Vec3, align 4
  %6 = alloca %union.Vec3, align 4
  %7 = alloca { <2 x float>, float }, align 4
  %8 = alloca { <2 x float>, float }, align 8
  %9 = alloca { <2 x float>, float }, align 8
  %10 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %4, i32 0, i32 0
  store <2 x float> %0, ptr %10, align 4
  %11 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %4, i32 0, i32 1
  store <2 x float> %1, ptr %11, align 4
  call void @llvm.lifetime.start.p0(i64 12, ptr %5) #4
  %12 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !5
  %14 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 1
  %15 = load float, ptr %14, align 4, !tbaa !5
  %16 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 2
  %17 = load float, ptr %16, align 4, !tbaa !5
  %18 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 3
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = fmul float %17, %19
  %21 = fneg float %20
  %22 = call float @llvm.fmuladd.f32(float %13, float %15, float %21)
  %23 = fmul float 2.000000e+00, %22
  %24 = getelementptr inbounds %struct.anon, ptr %5, i32 0, i32 0
  store float %23, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 0
  %26 = load float, ptr %25, align 4, !tbaa !5
  %27 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 0
  %28 = load float, ptr %27, align 4, !tbaa !5
  %29 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 2
  %30 = load float, ptr %29, align 4, !tbaa !5
  %31 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 2
  %32 = load float, ptr %31, align 4, !tbaa !5
  %33 = fmul float %30, %32
  %34 = call float @llvm.fmuladd.f32(float %26, float %28, float %33)
  %35 = call float @llvm.fmuladd.f32(float -2.000000e+00, float %34, float 1.000000e+00)
  %36 = getelementptr inbounds %struct.anon, ptr %5, i32 0, i32 1
  store float %35, ptr %36, align 4, !tbaa !5
  %37 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 1
  %38 = load float, ptr %37, align 4, !tbaa !5
  %39 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 2
  %40 = load float, ptr %39, align 4, !tbaa !5
  %41 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 0
  %42 = load float, ptr %41, align 4, !tbaa !5
  %43 = getelementptr inbounds %struct.anon.18, ptr %4, i32 0, i32 3
  %44 = load float, ptr %43, align 4, !tbaa !5
  %45 = fmul float %42, %44
  %46 = call float @llvm.fmuladd.f32(float %38, float %40, float %45)
  %47 = fmul float 2.000000e+00, %46
  %48 = getelementptr inbounds %struct.anon, ptr %5, i32 0, i32 2
  store float %47, ptr %48, align 4, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %5, i64 12, i1 false), !tbaa.struct !8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 %6, i64 12, i1 false)
  %49 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 0
  %50 = load <2 x float>, ptr %49, align 4
  %51 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 1
  %52 = load float, ptr %51, align 4
  %53 = call { <2 x float>, float } @_Z14vec3_normalize4Vec3(<2 x float> %50, float %52)
  %54 = getelementptr inbounds %union.Vec3, ptr %3, i32 0, i32 0
  store { <2 x float>, float } %53, ptr %8, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %54, ptr align 8 %8, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 12, ptr %5) #4
  %55 = getelementptr inbounds %union.Vec3, ptr %3, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 4 %55, i64 12, i1 false)
  %56 = load { <2 x float>, float }, ptr %9, align 8
  ret { <2 x float>, float } %56
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="64" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{i64 0, i64 12, !5}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #0

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_Z14vec3_normalize4Vec3(<2 x float>, float) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z12quat_forward4Quat(<2 x float> %0, <2 x float> %1) local_unnamed_addr #1 {
  %.sroa.09.0.vec.extract = extractelement <2 x float> %0, i64 0
  %.sroa.09.4.vec.extract = extractelement <2 x float> %0, i64 1
  %.sroa.7.8.vec.extract = extractelement <2 x float> %1, i64 0
  %.sroa.7.12.vec.extract = extractelement <2 x float> %1, i64 1
  %3 = fneg float %.sroa.7.8.vec.extract
  %4 = fmul float %.sroa.7.12.vec.extract, %3
  %5 = tail call float @llvm.fmuladd.f32(float %.sroa.09.0.vec.extract, float %.sroa.09.4.vec.extract, float %4)
  %6 = fmul float %5, 2.000000e+00
  %.sroa.07.0.vec.insert = insertelement <2 x float> poison, float %6, i64 0
  %7 = fmul <2 x float> %1, %1
  %8 = extractelement <2 x float> %7, i64 0
  %9 = tail call float @llvm.fmuladd.f32(float %.sroa.09.0.vec.extract, float %.sroa.09.0.vec.extract, float %8)
  %10 = tail call float @llvm.fmuladd.f32(float %9, float -2.000000e+00, float 1.000000e+00)
  %.sroa.07.4.vec.insert = insertelement <2 x float> %.sroa.07.0.vec.insert, float %10, i64 1
  %11 = fmul float %.sroa.09.0.vec.extract, %.sroa.7.12.vec.extract
  %12 = tail call float @llvm.fmuladd.f32(float %.sroa.09.4.vec.extract, float %.sroa.7.8.vec.extract, float %11)
  %13 = fmul float %12, 2.000000e+00
  %14 = tail call { <2 x float>, float } @_Z14vec3_normalize4Vec3(<2 x float> %.sroa.07.4.vec.insert, float %13)
  ret { <2 x float>, float } %14
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass,VectorCombinePass