; LLVM IR from Dovyski/opengl-demos :: src/model-md2/md2.ll (ZN9CMD2ModelD2Ev)

; 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.CMD2Model = type <{ i32, i32, i32, [4 x i8], ptr, ptr, ptr, i32, %struct.animState_t, float, [4 x i8] }>
%struct.animState_t = type { i32, i32, i32, float, float, float, i32, i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9CMD2ModelD2Ev(ptr noundef nonnull align 8 dereferenceable(84) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.CMD2Model, ptr %3, i32 0, i32 4
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %9, label %7

7:                                                ; preds = %1
  %8 = getelementptr inbounds [3 x float], ptr %5, i32 0, i32 0
  call void @_ZdaPv(ptr noundef %8) #2
  br label %9

9:                                                ; preds = %7, %1
  %10 = getelementptr inbounds %class.CMD2Model, ptr %3, i32 0, i32 5
  %11 = load ptr, ptr %10, align 8, !tbaa !14
  %12 = icmp eq ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @_ZdaPv(ptr noundef %11) #2
  br label %14

14:                                               ; preds = %13, %9
  %15 = getelementptr inbounds %class.CMD2Model, ptr %3, i32 0, i32 6
  %16 = load ptr, ptr %15, align 8, !tbaa !15
  %17 = icmp eq ptr %16, null
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @_ZdaPv(ptr noundef %16) #2
  br label %19

19:                                               ; preds = %18, %14
  ret void
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #1

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 = { 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 #2 = { 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, !6, i64 16}
!10 = !{!"_ZTS9CMD2Model", !11, i64 0, !11, i64 4, !11, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !11, i64 40, !12, i64 44, !13, i64 80}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS11animState_t", !11, i64 0, !11, i64 4, !11, i64 8, !13, i64 12, !13, i64 16, !13, i64 20, !11, i64 24, !11, i64 28, !11, i64 32}
!13 = !{!"float", !7, i64 0}
!14 = !{!10, !6, i64 24}
!15 = !{!10, !6, i64 32}


; 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 nounwind uwtable
define dso_local void @_ZN9CMD2ModelD2Ev(ptr nocapture noundef nonnull readonly align 8 dereferenceable(84) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %6, label %5

5:                                                ; preds = %1
  tail call void @_ZdaPv(ptr noundef nonnull %3) #2
  br label %6

6:                                                ; preds = %5, %1
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  %8 = load ptr, ptr %7, align 8, !tbaa !13
  %9 = icmp eq ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %6
  tail call void @_ZdaPv(ptr noundef nonnull %8) #2
  br label %11

11:                                               ; preds = %10, %6
  %12 = getelementptr inbounds i8, ptr %0, i64 32
  %13 = load ptr, ptr %12, align 8, !tbaa !14
  %14 = icmp eq ptr %13, null
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  tail call void @_ZdaPv(ptr noundef nonnull %13) #2
  br label %16

16:                                               ; preds = %15, %11
  ret void
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #1

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 = { 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 #2 = { 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, !10, i64 16}
!6 = !{!"_ZTS9CMD2Model", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !7, i64 40, !11, i64 44, !12, i64 80}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS11animState_t", !7, i64 0, !7, i64 4, !7, i64 8, !12, i64 12, !12, i64 16, !12, i64 20, !7, i64 24, !7, i64 28, !7, i64 32}
!12 = !{!"float", !8, i64 0}
!13 = !{!6, !10, i64 24}
!14 = !{!6, !10, i64 32}


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