; LLVM IR from Tencent-RoboticsX/jbdl :: src/jbdl/experimental/qpoases/src/Flipper.ll (ZN7qpOASES7Flipper5clearEv)

; 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.qpOASES::Flipper" = type { i32, i32, %"class.qpOASES::Bounds", %"class.qpOASES::Constraints", ptr, ptr, ptr }
%"class.qpOASES::Bounds" = type { %"class.qpOASES::SubjectTo", %"class.qpOASES::Indexlist", %"class.qpOASES::Indexlist" }
%"class.qpOASES::SubjectTo" = type { ptr, i32, ptr, ptr, i32, i32 }
%"class.qpOASES::Indexlist" = type <{ ptr, ptr, i32, i32, i32, i32, i32, [4 x i8] }>
%"class.qpOASES::Constraints" = type { %"class.qpOASES::SubjectTo", %"class.qpOASES::Indexlist", %"class.qpOASES::Indexlist" }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN7qpOASES7Flipper5clearEv(ptr noundef nonnull align 8 dereferenceable(272) %0) #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.qpOASES::Flipper", ptr %3, i32 0, i32 4
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %14

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 4
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = icmp eq ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  call void @_ZdaPv(ptr noundef %9) #2
  br label %12

12:                                               ; preds = %11, %7
  %13 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 4
  store ptr null, ptr %13, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %12, %1
  %15 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 5
  %16 = load ptr, ptr %15, align 8, !tbaa !17
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %25

18:                                               ; preds = %14
  %19 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 5
  %20 = load ptr, ptr %19, align 8, !tbaa !17
  %21 = icmp eq ptr %20, null
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @_ZdaPv(ptr noundef %20) #2
  br label %23

23:                                               ; preds = %22, %18
  %24 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 5
  store ptr null, ptr %24, align 8, !tbaa !17
  br label %25

25:                                               ; preds = %23, %14
  %26 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 6
  %27 = load ptr, ptr %26, align 8, !tbaa !18
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %36

29:                                               ; preds = %25
  %30 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 6
  %31 = load ptr, ptr %30, align 8, !tbaa !18
  %32 = icmp eq ptr %31, null
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @_ZdaPv(ptr noundef %31) #2
  br label %34

34:                                               ; preds = %33, %29
  %35 = getelementptr inbounds %"class.qpOASES::Flipper", ptr %3, i32 0, i32 6
  store ptr null, ptr %35, align 8, !tbaa !18
  br label %36

36:                                               ; preds = %34, %25
  ret i32 0
}

; 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 248}
!10 = !{!"_ZTSN7qpOASES7FlipperE", !11, i64 0, !11, i64 4, !12, i64 8, !16, i64 128, !6, i64 248, !6, i64 256, !6, i64 264}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSN7qpOASES6BoundsE", !13, i64 0, !15, i64 40, !15, i64 80}
!13 = !{!"_ZTSN7qpOASES9SubjectToE", !11, i64 8, !6, i64 16, !6, i64 24, !14, i64 32, !14, i64 36}
!14 = !{!"_ZTSN7qpOASES11BooleanTypeE", !7, i64 0}
!15 = !{!"_ZTSN7qpOASES9IndexlistE", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32}
!16 = !{!"_ZTSN7qpOASES11ConstraintsE", !13, i64 0, !15, i64 40, !15, i64 80}
!17 = !{!10, !6, i64 256}
!18 = !{!10, !6, i64 264}


; 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 noundef i32 @_ZN7qpOASES7Flipper5clearEv(ptr nocapture noundef nonnull align 8 dereferenceable(272) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 248
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @_ZdaPv(ptr noundef nonnull %3) #2
  store ptr null, ptr %2, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 256
  %7 = load ptr, ptr %6, align 8, !tbaa !16
  %.not3 = icmp eq ptr %7, null
  br i1 %.not3, label %9, label %8

8:                                                ; preds = %5
  tail call void @_ZdaPv(ptr noundef nonnull %7) #2
  store ptr null, ptr %6, align 8, !tbaa !16
  br label %9

9:                                                ; preds = %8, %5
  %10 = getelementptr inbounds i8, ptr %0, i64 264
  %11 = load ptr, ptr %10, align 8, !tbaa !17
  %.not4 = icmp eq ptr %11, null
  br i1 %.not4, label %13, label %12

12:                                               ; preds = %9
  tail call void @_ZdaPv(ptr noundef nonnull %11) #2
  store ptr null, ptr %10, align 8, !tbaa !17
  br label %13

13:                                               ; preds = %12, %9
  ret i32 0
}

; 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, !12, i64 248}
!6 = !{!"_ZTSN7qpOASES7FlipperE", !7, i64 0, !7, i64 4, !10, i64 8, !15, i64 128, !12, i64 248, !12, i64 256, !12, i64 264}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN7qpOASES6BoundsE", !11, i64 0, !14, i64 40, !14, i64 80}
!11 = !{!"_ZTSN7qpOASES9SubjectToE", !7, i64 8, !12, i64 16, !12, i64 24, !13, i64 32, !13, i64 36}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"_ZTSN7qpOASES11BooleanTypeE", !8, i64 0}
!14 = !{!"_ZTSN7qpOASES9IndexlistE", !12, i64 0, !12, i64 8, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32}
!15 = !{!"_ZTSN7qpOASES11ConstraintsE", !11, i64 0, !14, i64 40, !14, i64 80}
!16 = !{!6, !12, i64 256}
!17 = !{!6, !12, i64 264}


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