; LLVM IR from ImperialCollegeLondon/pnflow :: src/pnm/pnextract (blockNet)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12blockNetwork19createMedialSurfaceERP13medialSurfaceR11inputDataNEm(ptr noundef nonnull align 8 dereferenceable(448) %0, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(448) %2, i64 noundef %3) #0 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !9
  %12 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %13 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 256) #6
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  invoke void @_ZN13medialSurfaceC1ER11inputDataNE(ptr noundef nonnull align 8 dereferenceable(252) %13, ptr noundef nonnull align 8 dereferenceable(448) %14)
          to label %15 unwind label %19

15:                                               ; preds = %4
  store ptr %13, ptr %9, align 8, !tbaa !5
  %16 = load ptr, ptr %9, align 8, !tbaa !5
  call void @_ZN13medialSurface23createBallsAndHierarchyEv(ptr noundef nonnull align 8 dereferenceable(252) %16)
  %17 = load ptr, ptr %9, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %17, ptr %18, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  ret void

19:                                               ; preds = %4
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %10, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %11, align 4
  call void @_ZdlPvm(ptr noundef %13, i64 noundef 256) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %23

23:                                               ; preds = %19
  %24 = load ptr, ptr %10, align 8
  %25 = load i32, ptr %11, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

declare void @_ZN13medialSurfaceC1ER11inputDataNE(ptr noundef nonnull align 8 dereferenceable(252), ptr noundef nonnull align 8 dereferenceable(448)) unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

declare void @_ZN13medialSurface23createBallsAndHierarchyEv(ptr noundef nonnull align 8 dereferenceable(252)) #3

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

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 = { 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 #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 = { nobuiltin 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 = { builtin allocsize(0) }
attributes #7 = { builtin 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, !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 = !{!"long", !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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12blockNetwork19createMedialSurfaceERP13medialSurfaceR11inputDataNEm(ptr nocapture noundef nonnull readnone align 8 dereferenceable(448) %0, ptr nocapture noundef nonnull writeonly align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(448) %2, i64 noundef %3) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %5 = tail call noalias noundef nonnull dereferenceable(256) ptr @_Znwm(i64 noundef 256) #4
  invoke void @_ZN13medialSurfaceC1ER11inputDataNE(ptr noundef nonnull align 8 dereferenceable(252) %5, ptr noundef nonnull align 8 dereferenceable(448) %2)
          to label %6 unwind label %7

6:                                                ; preds = %4
  tail call void @_ZN13medialSurface23createBallsAndHierarchyEv(ptr noundef nonnull align 8 dereferenceable(252) %5)
  store ptr %5, ptr %1, align 8, !tbaa !5
  ret void

7:                                                ; preds = %4
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %5, i64 noundef 256) #5
  resume { ptr, i32 } %8
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

declare void @_ZN13medialSurfaceC1ER11inputDataNE(ptr noundef nonnull align 8 dereferenceable(252), ptr noundef nonnull align 8 dereferenceable(448)) unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

declare void @_ZN13medialSurface23createBallsAndHierarchyEv(ptr noundef nonnull align 8 dereferenceable(252)) local_unnamed_addr #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 = { 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 #2 = { "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 = { nobuiltin 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 #4 = { builtin allocsize(0) }
attributes #5 = { builtin 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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