; LLVM IR from yangfengzzz/DigitalVox3 :: vox.geometry (fdm_linear_system2)

; 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.vox::geometry::Matrix" = type { i64, i64 }
%class.anon = type { ptr, ptr, ptr, ptr }

@_ZTISt16invalid_argument = external constant ptr
@.str.1 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3vox8geometry6MatrixImLm2ELm1EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) #2

declare ptr @__cxa_allocate_exception(i64)

declare void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

declare void @__cxa_free_exception(ptr)

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3vox8geometry8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES5_PS3_(double noundef %0, ptr noundef nonnull align 8 dereferenceable(56) %1, ptr noundef nonnull align 8 dereferenceable(56) %2, ptr noundef %3) #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca double, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.vox::geometry::Matrix", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %class.anon, align 8
  store double %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #5
  %13 = load ptr, ptr %6, align 8, !tbaa !9
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %13)
  call void @_ZN3vox8geometry6MatrixImLm2ELm1EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %14)
  %15 = load ptr, ptr %7, align 8, !tbaa !9
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %15)
  %17 = call noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1) %9, ptr noundef nonnull align 1 dereferenceable(1) %16)
  br i1 %17, label %18, label %25

18:                                               ; preds = %4
  %19 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef @.str.1)
          to label %20 unwind label %21

20:                                               ; preds = %18
  call void @__cxa_throw(ptr %19, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

21:                                               ; preds = %18
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %10, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %11, align 4
  call void @__cxa_free_exception(ptr %19) #5
  br label %43

25:                                               ; preds = %4
  %26 = load ptr, ptr %8, align 8, !tbaa !9
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %26)
  %28 = call noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1) %9, ptr noundef nonnull align 1 dereferenceable(1) %27)
  br i1 %28, label %29, label %36

29:                                               ; preds = %25
  %30 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef @.str.2)
          to label %31 unwind label %32

31:                                               ; preds = %29
  call void @__cxa_throw(ptr %30, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

32:                                               ; preds = %29
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %10, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %11, align 4
  call void @__cxa_free_exception(ptr %30) #5
  br label %43

36:                                               ; preds = %25
  %37 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 0
  store ptr %8, ptr %37, align 8, !tbaa !9
  %38 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 1
  store ptr %5, ptr %38, align 8, !tbaa !9
  %39 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 2
  %40 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %40, ptr %39, align 8, !tbaa !9
  %41 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 3
  %42 = load ptr, ptr %7, align 8, !tbaa !9
  store ptr %42, ptr %41, align 8, !tbaa !9
  call void @"_ZN3vox8geometry20parallelForEachIndexImLm2EZNS0_8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES6_PS4_E3$_0EEvRKNS0_6MatrixIT_XT0_ELm1EEET1_NS0_15ExecutionPolicyE"(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef byval(%class.anon) align 8 %12, i32 noundef 1)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  ret void

43:                                               ; preds = %32, %21
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  br label %44

44:                                               ; preds = %43
  %45 = load ptr, ptr %10, align 8
  %46 = load i32, ptr %11, align 4
  %47 = insertvalue { ptr, i32 } poison, ptr %45, 0
  %48 = insertvalue { ptr, i32 } %47, i32 %46, 1
  resume { ptr, i32 } %48
}

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZN3vox8geometry20parallelForEachIndexImLm2EZNS0_8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES6_PS4_E3$_0EEvRKNS0_6MatrixIT_XT0_ELm1EEET1_NS0_15ExecutionPolicyE"(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef byval(%class.anon) align 8, i32 noundef) #2

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }
attributes #3 = { "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 "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 #5 = { nounwind }
attributes #6 = { noreturn }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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.vox::geometry::Matrix" = type { i64, i64 }
%class.anon = type { ptr, ptr, ptr, ptr }

@_ZTISt16invalid_argument = external constant ptr
@.str.1 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3vox8geometry6MatrixImLm2ELm1EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #2

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3vox8geometry8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES5_PS3_(double noundef %0, ptr noundef nonnull align 8 dereferenceable(56) %1, ptr noundef nonnull align 8 dereferenceable(56) %2, ptr noundef %3) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca double, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.vox::geometry::Matrix", align 8
  %8 = alloca %class.anon, align 8
  store double %0, ptr %5, align 8, !tbaa !5
  store ptr %3, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #5
  %9 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  call void @_ZN3vox8geometry6MatrixImLm2ELm1EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %9)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2)
  %11 = call noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1) %7, ptr noundef nonnull align 1 dereferenceable(1) %10)
  br i1 %11, label %12, label %17

12:                                               ; preds = %4
  %13 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull @.str.1)
          to label %14 unwind label %15

14:                                               ; preds = %12
  call void @__cxa_throw(ptr nonnull %13, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

15:                                               ; preds = %12
  %16 = landingpad { ptr, i32 }
          cleanup
  br label %29

17:                                               ; preds = %4
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3vox8geometry9ArrayBaseIdLm2ENS0_5ArrayIdLm2EEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3)
  %19 = call noundef zeroext i1 @_ZN3vox8geometryneImLm2ELm1ELm2ELm1ENS0_6MatrixImLm2ELm1EEES3_EEbRKNS0_16MatrixExpressionIT_XT0_EXT1_ET4_EERKNS4_IS5_XT2_EXT3_ET5_EE(ptr noundef nonnull align 1 dereferenceable(1) %7, ptr noundef nonnull align 1 dereferenceable(1) %18)
  br i1 %19, label %20, label %25

20:                                               ; preds = %17
  %21 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull @.str.2)
          to label %22 unwind label %23

22:                                               ; preds = %20
  call void @__cxa_throw(ptr nonnull %21, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

23:                                               ; preds = %20
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %29

25:                                               ; preds = %17
  store ptr %6, ptr %8, align 8, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %8, i64 8
  store ptr %5, ptr %26, align 8, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %8, i64 16
  store ptr %1, ptr %27, align 8, !tbaa !9
  %28 = getelementptr inbounds i8, ptr %8, i64 24
  store ptr %2, ptr %28, align 8, !tbaa !9
  call void @"_ZN3vox8geometry20parallelForEachIndexImLm2EZNS0_8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES6_PS4_E3$_0EEvRKNS0_6MatrixIT_XT0_ELm1EEET1_NS0_15ExecutionPolicyE"(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull byval(%class.anon) align 8 %8, i32 noundef 1)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  ret void

29:                                               ; preds = %23, %15
  %.sink = phi ptr [ %21, %23 ], [ %13, %15 ]
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %16, %15 ]
  call void @__cxa_free_exception(ptr %.sink) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZN3vox8geometry20parallelForEachIndexImLm2EZNS0_8FdmBlas24axpyEdRKNS0_5ArrayIdLm2EEES6_PS4_E3$_0EEvRKNS0_6MatrixIT_XT0_ELm1EEET1_NS0_15ExecutionPolicyE"(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef byval(%class.anon) align 8, i32 noundef) local_unnamed_addr #2

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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }
attributes #3 = { "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 "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 #5 = { nounwind }
attributes #6 = { noreturn }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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