; LLVM IR from ThePhysicsGuys/Physics3D :: graphics (extendedTriangleMesh)

; 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.P3D::Graphics::ExtendedTriangleMesh" = type { %"class.P3D::TriangleMesh", %"class.std::shared_ptr", %"class.std::shared_ptr.1", %"class.std::shared_ptr", %"class.std::shared_ptr" }
%"class.P3D::TriangleMesh" = type { %"class.P3D::MeshPrototype" }
%"class.P3D::MeshPrototype" = type { %"class.P3D::UniqueAlignedPointer", %"class.P3D::UniqueAlignedPointer.0", i32, i32 }
%"class.P3D::UniqueAlignedPointer" = type { ptr }
%"class.P3D::UniqueAlignedPointer.0" = type { ptr }
%"class.std::shared_ptr.1" = type { %"class.std::__shared_ptr.2" }
%"class.std::__shared_ptr.2" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"struct.P3D::Vector" = type { %union.anon }
%union.anon = type { [3 x float] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMesh26generateSmoothNormalsShapeERKNS_12TriangleMeshE(ptr dead_on_unwind noalias writable sret(%"struct.P3D::Graphics::ExtendedTriangleMesh") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i1, align 1
  %7 = alloca %"class.std::shared_ptr", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.P3D::MeshPrototype", ptr %10, i32 0, i32 2
  %12 = load i32, ptr %11, align 8, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %13, i64 12)
  %15 = extractvalue { i64, i1 } %14, 1
  %16 = extractvalue { i64, i1 } %14, 0
  %17 = select i1 %15, i64 -1, i64 %16
  %18 = call noalias noundef nonnull ptr @_Znam(i64 noundef %17) #8
  %19 = icmp eq i64 %13, 0
  br i1 %19, label %26, label %20

20:                                               ; preds = %2
  %21 = getelementptr inbounds %"struct.P3D::Vector", ptr %18, i64 %13
  br label %22

22:                                               ; preds = %22, %20
  %23 = phi ptr [ %18, %20 ], [ %24, %22 ]
  call void @_ZN3P3D6VectorIfLm3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %23) #7
  %24 = getelementptr inbounds %"struct.P3D::Vector", ptr %23, i64 1
  %25 = icmp eq ptr %24, %21
  br i1 %25, label %26, label %22

26:                                               ; preds = %22, %2
  store ptr %18, ptr %5, align 8, !tbaa !5
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNK3P3D12TriangleMesh14computeNormalsEPNS_6VectorIfLm3EEE(ptr noundef nonnull align 8 dereferenceable(24) %27, ptr noundef %28)
  store i1 false, ptr %6, align 1
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN3P3D8Graphics20ExtendedTriangleMeshC2ERKNS_12TriangleMeshE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(24) %29)
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #7
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt10shared_ptrIA_KN3P3D6VectorIfLm3EEEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef %30)
          to label %31 unwind label %34

31:                                               ; preds = %26
  invoke void @_ZN3P3D8Graphics20ExtendedTriangleMesh15setNormalBufferERKSt10shared_ptrIA_KNS_6VectorIfLm3EEEE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %32 unwind label %38

32:                                               ; preds = %31
  call void @_ZNSt12__shared_ptrIA_KN3P3D6VectorIfLm3EEELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  store i1 true, ptr %6, align 1
  %33 = load i1, ptr %6, align 1
  br i1 %33, label %44, label %43

34:                                               ; preds = %26
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %8, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %9, align 4
  br label %42

38:                                               ; preds = %31
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %8, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %9, align 4
  call void @_ZNSt12__shared_ptrIA_KN3P3D6VectorIfLm3EEELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #7
  br label %42

42:                                               ; preds = %38, %34
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  call void @_ZN3P3D8Graphics20ExtendedTriangleMeshD2Ev(ptr noundef nonnull align 8 dereferenceable(88) %0) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  br label %45

43:                                               ; preds = %32
  call void @_ZN3P3D8Graphics20ExtendedTriangleMeshD2Ev(ptr noundef nonnull align 8 dereferenceable(88) %0) #7
  br label %44

44:                                               ; preds = %43, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  ret void

45:                                               ; preds = %42
  %46 = load ptr, ptr %8, align 8
  %47 = load i32, ptr %9, align 4
  %48 = insertvalue { ptr, i32 } poison, ptr %46, 0
  %49 = insertvalue { ptr, i32 } %48, i32 %47, 1
  resume { ptr, i32 } %49
}

; 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 speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D6VectorIfLm3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #4 align 2

declare void @_ZNK3P3D12TriangleMesh14computeNormalsEPNS_6VectorIfLm3EEE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMeshC2ERKNS_12TriangleMeshE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMesh15setNormalBufferERKSt10shared_ptrIA_KNS_6VectorIfLm3EEEE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10shared_ptrIA_KN3P3D6VectorIfLm3EEEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIA_KN3P3D6VectorIfLm3EEELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMeshD2Ev(ptr noundef nonnull align 8 dereferenceable(88)) unnamed_addr #6 align 2

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { nobuiltin allocsize(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 #4 = { 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 #5 = { "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 = { inlinehint 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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }

!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, !13, i64 16}
!10 = !{!"_ZTSN3P3D13MeshPrototypeE", !11, i64 0, !12, i64 8, !13, i64 16, !13, i64 20}
!11 = !{!"_ZTSN3P3D20UniqueAlignedPointerIfEE", !6, i64 0}
!12 = !{!"_ZTSN3P3D20UniqueAlignedPointerIiEE", !6, i64 0}
!13 = !{!"int", !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.P3D::Graphics::ExtendedTriangleMesh" = type { %"class.P3D::TriangleMesh", %"class.std::shared_ptr", %"class.std::shared_ptr.1", %"class.std::shared_ptr", %"class.std::shared_ptr" }
%"class.P3D::TriangleMesh" = type { %"class.P3D::MeshPrototype" }
%"class.P3D::MeshPrototype" = type { %"class.P3D::UniqueAlignedPointer", %"class.P3D::UniqueAlignedPointer.0", i32, i32 }
%"class.P3D::UniqueAlignedPointer" = type { ptr }
%"class.P3D::UniqueAlignedPointer.0" = type { ptr }
%"class.std::shared_ptr.1" = type { %"class.std::__shared_ptr.2" }
%"class.std::__shared_ptr.2" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"struct.P3D::Vector" = type { %union.anon }
%union.anon = type { [3 x float] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMesh26generateSmoothNormalsShapeERKNS_12TriangleMeshE(ptr dead_on_unwind noalias writable sret(%"struct.P3D::Graphics::ExtendedTriangleMesh") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::shared_ptr", align 8
  %4 = getelementptr inbounds i8, ptr %1, i64 16
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %6, i64 12)
  %8 = extractvalue { i64, i1 } %7, 1
  %9 = extractvalue { i64, i1 } %7, 0
  %10 = select i1 %8, i64 -1, i64 %9
  %11 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %10) #7
  %12 = icmp eq i32 %5, 0
  br i1 %12, label %.loopexit, label %13

13:                                               ; preds = %2
  %14 = getelementptr inbounds %"struct.P3D::Vector", ptr %11, i64 %6
  br label %15

15:                                               ; preds = %15, %13
  %16 = phi ptr [ %11, %13 ], [ %17, %15 ]
  tail call void @_ZN3P3D6VectorIfLm3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %16) #8
  %17 = getelementptr inbounds i8, ptr %16, i64 12
  %18 = icmp eq ptr %17, %14
  br i1 %18, label %.loopexit, label %15

.loopexit:                                        ; preds = %15, %2
  tail call void @_ZNK3P3D12TriangleMesh14computeNormalsEPNS_6VectorIfLm3EEE(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull %11)
  tail call void @_ZN3P3D8Graphics20ExtendedTriangleMeshC2ERKNS_12TriangleMeshE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #8
  invoke void @_ZNSt10shared_ptrIA_KN3P3D6VectorIfLm3EEEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull %11)
          to label %19 unwind label %20

19:                                               ; preds = %.loopexit
  call void @_ZN3P3D8Graphics20ExtendedTriangleMesh15setNormalBufferERKSt10shared_ptrIA_KNS_6VectorIfLm3EEEE(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull align 8 dereferenceable(16) %3)
  call void @_ZNSt12__shared_ptrIA_KN3P3D6VectorIfLm3EEELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #8
  ret void

20:                                               ; preds = %.loopexit
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #8
  call void @_ZN3P3D8Graphics20ExtendedTriangleMeshD2Ev(ptr noundef nonnull align 8 dereferenceable(88) %0) #8
  resume { ptr, i32 } %21
}

; 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 speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D6VectorIfLm3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #4 align 2

declare void @_ZNK3P3D12TriangleMesh14computeNormalsEPNS_6VectorIfLm3EEE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMeshC2ERKNS_12TriangleMeshE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMesh15setNormalBufferERKSt10shared_ptrIA_KNS_6VectorIfLm3EEEE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10shared_ptrIA_KN3P3D6VectorIfLm3EEEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIA_KN3P3D6VectorIfLm3EEELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3P3D8Graphics20ExtendedTriangleMeshD2Ev(ptr noundef nonnull align 8 dereferenceable(88)) unnamed_addr #6 align 2

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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { nobuiltin allocsize(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 #4 = { 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 #5 = { "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 = { inlinehint 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 #7 = { builtin allocsize(0) }
attributes #8 = { nounwind }

!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, !12, i64 16}
!6 = !{!"_ZTSN3P3D13MeshPrototypeE", !7, i64 0, !11, i64 8, !12, i64 16, !12, i64 20}
!7 = !{!"_ZTSN3P3D20UniqueAlignedPointerIfEE", !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"_ZTSN3P3D20UniqueAlignedPointerIiEE", !8, i64 0}
!12 = !{!"int", !9, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass