; LLVM IR from DreamingInfraviolet/EstimateImageMatting :: Primatte/matrixd.ll (ZNK4math3tmp5_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 uwtable
define dso_local { <2 x float>, <2 x float> } @_ZNK4math3tmp5_mat2dvEf(ptr noundef nonnull align 4 dereferenceable(16) %0, float noundef %1) #0 align 2 {
  %3 = alloca %"class.math::tmp::_mat2", align 4
  %4 = alloca ptr, align 8
  %5 = alloca float, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store float %1, ptr %5, align 4, !tbaa !9
  %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 float, ptr %5, align 4, !tbaa !9
  %12 = fdiv float %10, %11
  %13 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, 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 = load float, ptr %5, align 4, !tbaa !9
  %18 = fdiv float %16, %17
  %19 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, 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 = load float, ptr %5, align 4, !tbaa !9
  %24 = fdiv float %22, %23
  %25 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %6, 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 = load float, ptr %5, align 4, !tbaa !9
  %30 = fdiv float %28, %29
  call void @_ZN4math3tmp5_mat2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %3, float noundef %12, float noundef %18, float noundef %24, float noundef %30)
  %31 = getelementptr inbounds %"class.math::tmp::_mat2", ptr %3, i32 0, i32 0
  %32 = load { <2 x float>, <2 x float> }, ptr %31, align 4
  ret { <2 x float>, <2 x float> } %32
}

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_mat2dvEf(ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %0, float noundef %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 = fdiv float %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 4
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = fdiv float %7, %1
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load float, ptr %9, align 4, !tbaa !5
  %11 = fdiv float %10, %1
  %12 = getelementptr inbounds i8, ptr %0, i64 12
  %13 = load float, ptr %12, align 4, !tbaa !5
  %14 = fdiv float %13, %1
  call void @_ZN4math3tmp5_mat2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %3, float noundef %5, float noundef %8, float noundef %11, float noundef %14)
  %.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