; LLVM IR from DreamingInfraviolet/EstimateImageMatting :: Primatte/matrixd.ll (ZNK4math3tmp5_mat2miERKS1_)

; 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 uwtable
define dso_local { <2 x float>, <2 x float> } @_ZNK4math3tmp5_mat2miERKS1_(ptr noundef nonnull align 4 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(16) %1) #0 align 2 {
  %3 = alloca %"class.math::tmp::_mat2", align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  %7 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, 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 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %11, i32 0, i32 0
  %13 = getelementptr inbounds [2 x [2 x float]], ptr %12, i64 0, i64 0
  %14 = getelementptr inbounds [2 x float], ptr %13, i64 0, i64 0
  %15 = load float, ptr %14, align 4, !tbaa !9
  %16 = fsub float %10, %15
  %17 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, i32 0, i32 0
  %18 = getelementptr inbounds [2 x [2 x float]], ptr %17, i64 0, i64 0
  %19 = getelementptr inbounds [2 x float], ptr %18, i64 0, i64 1
  %20 = load float, ptr %19, align 4, !tbaa !9
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %21, i32 0, i32 0
  %23 = getelementptr inbounds [2 x [2 x float]], ptr %22, i64 0, i64 0
  %24 = getelementptr inbounds [2 x float], ptr %23, i64 0, i64 1
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = fsub float %20, %25
  %27 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, i32 0, i32 0
  %28 = getelementptr inbounds [2 x [2 x float]], ptr %27, i64 0, i64 1
  %29 = getelementptr inbounds [2 x float], ptr %28, i64 0, i64 0
  %30 = load float, ptr %29, align 4, !tbaa !9
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds [2 x [2 x float]], ptr %32, i64 0, i64 1
  %34 = getelementptr inbounds [2 x float], ptr %33, i64 0, i64 0
  %35 = load float, ptr %34, align 4, !tbaa !9
  %36 = fsub float %30, %35
  %37 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, i32 0, i32 0
  %38 = getelementptr inbounds [2 x [2 x float]], ptr %37, i64 0, i64 1
  %39 = getelementptr inbounds [2 x float], ptr %38, i64 0, i64 1
  %40 = load float, ptr %39, align 4, !tbaa !9
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %41, i32 0, i32 0
  %43 = getelementptr inbounds [2 x [2 x float]], ptr %42, i64 0, i64 1
  %44 = getelementptr inbounds [2 x float], ptr %43, i64 0, i64 1
  %45 = load float, ptr %44, align 4, !tbaa !9
  %46 = fsub float %40, %45
  call void @_ZN4math3tmp5_mat2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %3, float noundef %16, float noundef %26, float noundef %36, float noundef %46)
  %47 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %3, i32 0, i32 0
  %48 = load { <2 x float>, <2 x float> }, ptr %47, align 4
  ret { <2 x float>, <2 x float> } %48
}

declare void @_ZN4math3tmp5_mat2C1Effff(ptr, float, float, float, float)

attributes #0 = { mustprogress 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"

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

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, <2 x float> } @_ZNK4math3tmp5_mat2miERKS1_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %1) local_unnamed_addr #0 align 2 {
  %3 = alloca %"class.math::tmp::_mat2", align 8
  %4 = load float, ptr %0, align 4, !tbaa !5
  %5 = load float, ptr %1, align 4, !tbaa !5
  %6 = fsub float %4, %5
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load float, ptr %7, align 4, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 4
  %10 = load float, ptr %9, align 4, !tbaa !5
  %11 = fsub float %8, %10
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load float, ptr %12, align 4, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %1, i64 8
  %15 = load float, ptr %14, align 4, !tbaa !5
  %16 = fsub float %13, %15
  %17 = getelementptr inbounds i8, ptr %0, i64 12
  %18 = load float, ptr %17, align 4, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %1, i64 12
  %20 = load float, ptr %19, align 4, !tbaa !5
  %21 = fsub float %18, %20
  call void @_ZN4math3tmp5_mat2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %3, float noundef %6, float noundef %11, float noundef %16, float noundef %21)
  %.fca.0.load = load <2 x float>, ptr %3, align 8
  %.fca.0.insert = insertvalue { <2 x float>, <2 x float> } poison, <2 x float> %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %3, i64 8
  %.fca.1.load = load <2 x float>, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { <2 x float>, <2 x float> } %.fca.0.insert, <2 x float> %.fca.1.load, 1
  ret { <2 x float>, <2 x float> } %.fca.1.insert
}

declare void @_ZN4math3tmp5_mat2C1Effff(ptr, float, float, float, float) local_unnamed_addr

attributes #0 = { mustprogress 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,InferAlignmentPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass