; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z10vec2_cross4Vec2S_)

; 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.Vec2 = type { %struct.anon.1 }
%struct.anon.1 = type { 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: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_Z10vec2_cross4Vec2S_(<2 x float> %0, <2 x float> %1) #2 {
  %3 = alloca %union.Vec3, align 4
  %4 = alloca %union.Vec2, align 4
  %5 = alloca %union.Vec2, align 4
  %6 = alloca { <2 x float>, float }, align 8
  %7 = getelementptr inbounds %union.Vec2, ptr %4, i32 0, i32 0
  store <2 x float> %0, ptr %7, align 4
  %8 = getelementptr inbounds %union.Vec2, ptr %5, i32 0, i32 0
  store <2 x float> %1, ptr %8, align 4
  %9 = getelementptr inbounds %struct.anon, ptr %3, i32 0, i32 0
  store float 0.000000e+00, ptr %9, align 4, !tbaa !5
  %10 = getelementptr inbounds %struct.anon, ptr %3, i32 0, i32 1
  store float 0.000000e+00, ptr %10, align 4, !tbaa !5
  %11 = getelementptr inbounds %struct.anon.1, ptr %4, i32 0, i32 0
  %12 = load float, ptr %11, align 4, !tbaa !5
  %13 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 1
  %14 = load float, ptr %13, align 4, !tbaa !5
  %15 = getelementptr inbounds %struct.anon.1, ptr %4, i32 0, i32 1
  %16 = load float, ptr %15, align 4, !tbaa !5
  %17 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 0
  %18 = load float, ptr %17, align 4, !tbaa !5
  %19 = fmul float %16, %18
  %20 = fneg float %19
  %21 = call float @llvm.fmuladd.f32(float %12, float %14, float %20)
  %22 = getelementptr inbounds %struct.anon, ptr %3, i32 0, i32 2
  store float %21, ptr %22, align 4, !tbaa !5
  %23 = getelementptr inbounds %union.Vec3, ptr %3, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 4 %23, i64 12, i1 false)
  %24 = load { <2 x float>, float }, ptr %6, align 8
  ret { <2 x float>, float } %24
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { mustprogress nounwind 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; 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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local { <2 x float>, float } @_Z10vec2_cross4Vec2S_(<2 x float> %0, <2 x float> %1) local_unnamed_addr #1 {
  %.sroa.02.0.vec.extract = extractelement <2 x float> %0, i64 0
  %.sroa.01.4.vec.extract = extractelement <2 x float> %1, i64 1
  %.sroa.02.4.vec.extract = extractelement <2 x float> %0, i64 1
  %.sroa.01.0.vec.extract = extractelement <2 x float> %1, i64 0
  %3 = fneg float %.sroa.02.4.vec.extract
  %4 = fmul float %.sroa.01.0.vec.extract, %3
  %5 = tail call float @llvm.fmuladd.f32(float %.sroa.02.0.vec.extract, float %.sroa.01.4.vec.extract, float %4)
  %.fca.1.insert = insertvalue { <2 x float>, float } { <2 x float> zeroinitializer, float poison }, float %5, 1
  ret { <2 x float>, float } %.fca.1.insert
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass