; LLVM IR from DreamingInfraviolet/EstimateImageMatting :: Primatte/matrixd.ll (ZN4math3tmp5_mat2dVEf)

; 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"

%"class.math::tmp::_mat2" = type { [2 x [2 x float]] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4math3tmp5_mat2dVEf(ptr noundef nonnull align 4 dereferenceable(16) %0, float noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = load float, ptr %4, align 4, !tbaa !9
  %7 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %5, i32 0, i32 0
  %8 = getelementptr inbounds [2 x [2 x float]], ptr %7, i64 0, i64 0
  %9 = getelementptr inbounds [2 x float], ptr %8, i64 0, i64 0
  %10 = load float, ptr %9, align 4, !tbaa !9
  %11 = fdiv float %10, %6
  store float %11, ptr %9, align 4, !tbaa !9
  %12 = load float, ptr %4, align 4, !tbaa !9
  %13 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %5, i32 0, i32 0
  %14 = getelementptr inbounds [2 x [2 x float]], ptr %13, i64 0, i64 0
  %15 = getelementptr inbounds [2 x float], ptr %14, i64 0, i64 1
  %16 = load float, ptr %15, align 4, !tbaa !9
  %17 = fdiv float %16, %12
  store float %17, ptr %15, align 4, !tbaa !9
  %18 = load float, ptr %4, align 4, !tbaa !9
  %19 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %5, i32 0, i32 0
  %20 = getelementptr inbounds [2 x [2 x float]], ptr %19, i64 0, i64 1
  %21 = getelementptr inbounds [2 x float], ptr %20, i64 0, i64 0
  %22 = load float, ptr %21, align 4, !tbaa !9
  %23 = fdiv float %22, %18
  store float %23, ptr %21, align 4, !tbaa !9
  %24 = load float, ptr %4, align 4, !tbaa !9
  %25 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %5, i32 0, i32 0
  %26 = getelementptr inbounds [2 x [2 x float]], ptr %25, i64 0, i64 1
  %27 = getelementptr inbounds [2 x float], ptr %26, i64 0, i64 1
  %28 = load float, ptr %27, align 4, !tbaa !9
  %29 = fdiv float %28, %24
  store float %29, ptr %27, align 4, !tbaa !9
  ret void
}

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN4math3tmp5_mat2dVEf(ptr nocapture noundef nonnull align 4 dereferenceable(16) %0, float noundef %1) local_unnamed_addr #0 align 2 {
  %3 = load <4 x float>, ptr %0, align 4, !tbaa !5
  %4 = insertelement <4 x float> poison, float %1, i64 0
  %5 = shufflevector <4 x float> %4, <4 x float> poison, <4 x i32> zeroinitializer
  %6 = fdiv <4 x float> %3, %5
  store <4 x float> %6, ptr %0, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable "min-legal-vector-width"="0" "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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass