; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Graphics/R3Brdf.ll (ZN6R3BrdfD2Ev)

; 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.R3Brdf = type <{ ptr, ptr, i32, [4 x i8], ptr, %class.RNRgb, %class.RNRgb, %class.RNRgb, %class.RNRgb, %class.RNRgb, double, double, %class.RNFlags, i32, [4 x i8] }>
%class.RNRgb = type { [3 x double] }
%class.RNFlags = type { i64 }

@_ZTV6R3Brdf = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6R3BrdfD2Ev(ptr noundef nonnull align 8 dereferenceable(180) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTV6R3Brdf, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %class.R3Brdf, ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %11

7:                                                ; preds = %1
  %8 = getelementptr inbounds %class.R3Brdf, ptr %3, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  invoke void @_ZN7R3Scene10RemoveBrdfEP6R3Brdf(ptr noundef nonnull align 8 dereferenceable(352) %9, ptr noundef %3)
          to label %10 unwind label %19

10:                                               ; preds = %7
  br label %11

11:                                               ; preds = %10, %1
  %12 = getelementptr inbounds %class.R3Brdf, ptr %3, i32 0, i32 4
  %13 = load ptr, ptr %12, align 8, !tbaa !18
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = getelementptr inbounds %class.R3Brdf, ptr %3, i32 0, i32 4
  %17 = load ptr, ptr %16, align 8, !tbaa !18
  call void @free(ptr noundef %17) #4
  br label %18

18:                                               ; preds = %15, %11
  ret void

19:                                               ; preds = %7
  %20 = landingpad { ptr, i32 }
          catch ptr null
  %21 = extractvalue { ptr, i32 } %20, 0
  call void @__clang_call_terminate(ptr %21) #5
  unreachable
}

declare void @_ZN7R3Scene10RemoveBrdfEP6R3Brdf(ptr noundef nonnull align 8 dereferenceable(352), ptr noundef) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

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 = { "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 = { noinline noreturn nounwind uwtable "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 = { 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 = { nounwind }
attributes #5 = { noreturn 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS6R3Brdf", !6, i64 8, !13, i64 16, !6, i64 24, !14, i64 32, !14, i64 56, !14, i64 80, !14, i64 104, !14, i64 128, !15, i64 152, !15, i64 160, !16, i64 168, !13, i64 176}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTS5RNRgb", !7, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{!"_ZTS7RNFlags", !17, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = !{!12, !6, i64 24}


; 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"

@_ZTV6R3Brdf = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6R3BrdfD2Ev(ptr noundef nonnull align 8 dereferenceable(180) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTV6R3Brdf, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !8
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  invoke void @_ZN7R3Scene10RemoveBrdfEP6R3Brdf(ptr noundef nonnull align 8 dereferenceable(352) %3, ptr noundef nonnull %0)
          to label %5 unwind label %10

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !17
  %.not2 = icmp eq ptr %7, null
  br i1 %.not2, label %9, label %8

8:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %7) #4
  br label %9

9:                                                ; preds = %8, %5
  ret void

10:                                               ; preds = %4
  %11 = landingpad { ptr, i32 }
          catch ptr null
  %12 = extractvalue { ptr, i32 } %11, 0
  tail call void @__clang_call_terminate(ptr %12) #5
  unreachable
}

declare void @_ZN7R3Scene10RemoveBrdfEP6R3Brdf(ptr noundef nonnull align 8 dereferenceable(352), ptr noundef) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

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 = { "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 = { noinline noreturn nounwind uwtable "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }
attributes #5 = { noreturn 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !10, i64 8}
!9 = !{!"_ZTS6R3Brdf", !10, i64 8, !12, i64 16, !10, i64 24, !13, i64 32, !13, i64 56, !13, i64 80, !13, i64 104, !13, i64 128, !14, i64 152, !14, i64 160, !15, i64 168, !12, i64 176}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !7, i64 0}
!12 = !{!"int", !11, i64 0}
!13 = !{!"_ZTS5RNRgb", !11, i64 0}
!14 = !{!"double", !11, i64 0}
!15 = !{!"_ZTS7RNFlags", !16, i64 0}
!16 = !{!"long", !11, i64 0}
!17 = !{!9, !10, i64 24}


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