; LLVM IR from yangfengzzz/Arche-webgpu :: vox.geometry/fdm_linear_system2.ll (ZN3vox8FdmBlas24axpyEdRKNS_5ArrayIdLm2EEES4_PS2_)

; 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"

%"struct.vox::Size2" = 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 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 @_ZN3vox8FdmBlas24axpyEdRKNS_5ArrayIdLm2EEES4_PS2_(double noundef %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef %3) #5 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 %"struct.vox::Size2", align 8
  %10 = alloca %"struct.vox::Size2", align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.vox::Size2", align 8
  %14 = 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) #6
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %15)
  %17 = getelementptr inbounds { i64, i64 }, ptr %9, i32 0, i32 0
  %18 = extractvalue { i64, i64 } %16, 0
  store i64 %18, ptr %17, align 8
  %19 = getelementptr inbounds { i64, i64 }, ptr %9, i32 0, i32 1
  %20 = extractvalue { i64, i64 } %16, 1
  store i64 %20, ptr %19, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  %21 = load ptr, ptr %7, align 8, !tbaa !9
  %22 = call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %21)
  %23 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 0
  %24 = extractvalue { i64, i64 } %22, 0
  store i64 %24, ptr %23, align 8
  %25 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 1
  %26 = extractvalue { i64, i64 } %22, 1
  store i64 %26, ptr %25, align 8
  %27 = call noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %10)
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br i1 %27, label %28, label %35

28:                                               ; preds = %4
  %29 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef @.str.1)
          to label %30 unwind label %31

30:                                               ; preds = %28
  call void @__cxa_throw(ptr %29, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #7
  unreachable

31:                                               ; preds = %28
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %11, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %12, align 4
  call void @__cxa_free_exception(ptr %29) #6
  br label %58

35:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #6
  %36 = load ptr, ptr %8, align 8, !tbaa !9
  %37 = call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %36)
  %38 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 0
  %39 = extractvalue { i64, i64 } %37, 0
  store i64 %39, ptr %38, align 8
  %40 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 1
  %41 = extractvalue { i64, i64 } %37, 1
  store i64 %41, ptr %40, align 8
  %42 = call noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %13)
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br i1 %42, label %43, label %50

43:                                               ; preds = %35
  %44 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef @.str.2)
          to label %45 unwind label %46

45:                                               ; preds = %43
  call void @__cxa_throw(ptr %44, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #7
  unreachable

46:                                               ; preds = %43
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %11, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %12, align 4
  call void @__cxa_free_exception(ptr %44) #6
  br label %58

50:                                               ; preds = %35
  %51 = load ptr, ptr %6, align 8, !tbaa !9
  %52 = getelementptr inbounds %class.anon, ptr %14, i32 0, i32 0
  store ptr %8, ptr %52, align 8, !tbaa !9
  %53 = getelementptr inbounds %class.anon, ptr %14, i32 0, i32 1
  store ptr %5, ptr %53, align 8, !tbaa !9
  %54 = getelementptr inbounds %class.anon, ptr %14, i32 0, i32 2
  %55 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %55, ptr %54, align 8, !tbaa !9
  %56 = getelementptr inbounds %class.anon, ptr %14, i32 0, i32 3
  %57 = load ptr, ptr %7, align 8, !tbaa !9
  store ptr %57, ptr %56, align 8, !tbaa !9
  call void @"_ZNK3vox5ArrayIdLm2EE20parallelForEachIndexIZNS_8FdmBlas24axpyEdRKS1_S5_PS1_E3$_0EEvT_"(ptr noundef nonnull align 8 dereferenceable(40) %51, ptr noundef byval(%class.anon) align 8 %14)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  ret void

58:                                               ; preds = %46, %31
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  br label %59

59:                                               ; preds = %58
  %60 = load ptr, ptr %11, align 8
  %61 = load i32, ptr %12, align 4
  %62 = insertvalue { ptr, i32 } poison, ptr %60, 0
  %63 = insertvalue { ptr, i32 } %62, i32 %61, 1
  resume { ptr, i32 } %63
}

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNK3vox5ArrayIdLm2EE20parallelForEachIndexIZNS_8FdmBlas24axpyEdRKS1_S5_PS1_E3$_0EEvT_"(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef byval(%class.anon) align 8) #5 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { 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 #6 = { nounwind }
attributes #7 = { 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"

%"struct.vox::Size2" = 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 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 @_ZN3vox8FdmBlas24axpyEdRKNS_5ArrayIdLm2EEES4_PS2_(double noundef %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef %3) local_unnamed_addr #5 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca double, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.vox::Size2", align 8
  %8 = alloca %"struct.vox::Size2", align 8
  %9 = alloca %"struct.vox::Size2", align 8
  %10 = 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) #6
  %11 = tail call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  %12 = extractvalue { i64, i64 } %11, 0
  store i64 %12, ptr %7, align 8
  %13 = getelementptr inbounds i8, ptr %7, i64 8
  %14 = extractvalue { i64, i64 } %11, 1
  store i64 %14, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  %15 = tail call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %2)
  %16 = extractvalue { i64, i64 } %15, 0
  store i64 %16, ptr %8, align 8
  %17 = getelementptr inbounds i8, ptr %8, i64 8
  %18 = extractvalue { i64, i64 } %15, 1
  store i64 %18, ptr %17, align 8
  %19 = call noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %8)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br i1 %19, label %20, label %25

20:                                               ; preds = %4
  %21 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull @.str.1)
          to label %22 unwind label %23

22:                                               ; preds = %20
  call void @__cxa_throw(ptr nonnull %21, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #7
  unreachable

23:                                               ; preds = %20
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %40

25:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #6
  %26 = call { i64, i64 } @_ZNK3vox5ArrayIdLm2EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %3)
  %27 = extractvalue { i64, i64 } %26, 0
  store i64 %27, ptr %9, align 8
  %28 = getelementptr inbounds i8, ptr %9, i64 8
  %29 = extractvalue { i64, i64 } %26, 1
  store i64 %29, ptr %28, align 8
  %30 = call noundef zeroext i1 @_ZNK3vox5Size2neERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %9)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #6
  br i1 %30, label %31, label %36

31:                                               ; preds = %25
  %32 = call ptr @__cxa_allocate_exception(i64 16) #6
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull @.str.2)
          to label %33 unwind label %34

33:                                               ; preds = %31
  call void @__cxa_throw(ptr nonnull %32, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #7
  unreachable

34:                                               ; preds = %31
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %40

36:                                               ; preds = %25
  store ptr %6, ptr %10, align 8, !tbaa !9
  %37 = getelementptr inbounds i8, ptr %10, i64 8
  store ptr %5, ptr %37, align 8, !tbaa !9
  %38 = getelementptr inbounds i8, ptr %10, i64 16
  store ptr %1, ptr %38, align 8, !tbaa !9
  %39 = getelementptr inbounds i8, ptr %10, i64 24
  store ptr %2, ptr %39, align 8, !tbaa !9
  call void @"_ZNK3vox5ArrayIdLm2EE20parallelForEachIndexIZNS_8FdmBlas24axpyEdRKS1_S5_PS1_E3$_0EEvT_"(ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull byval(%class.anon) align 8 %10)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  ret void

40:                                               ; preds = %34, %23
  %.sink = phi ptr [ %32, %34 ], [ %21, %23 ]
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %24, %23 ]
  call void @__cxa_free_exception(ptr %.sink) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNK3vox5ArrayIdLm2EE20parallelForEachIndexIZNS_8FdmBlas24axpyEdRKS1_S5_PS1_E3$_0EEvT_"(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef byval(%class.anon) align 8) local_unnamed_addr #5 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { 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 #6 = { nounwind }
attributes #7 = { 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