; LLVM IR from Tencent-RoboticsX/jbdl :: src/jbdl/experimental/qpoases/src/Matrices.ll (ZN7qpOASES12SparseMatrix4freeEv)

; 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::SparseMatrix" = type { ptr, i32, i32, ptr, ptr, ptr, ptr, %"class.qpOASES::Matrix.base" }
%"class.qpOASES::Matrix.base" = type <{ ptr, i32 }>

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7qpOASES6Matrix15doNotFreeMemoryEv(ptr noundef nonnull align 8 dereferenceable(12)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7qpOASES12SparseMatrix4freeEv(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #2 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::SparseMatrix", ptr %3, i32 0, i32 3
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %13

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 3
  %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) #3
  br label %12

12:                                               ; preds = %11, %7
  br label %13

13:                                               ; preds = %12, %1
  %14 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 3
  store ptr null, ptr %14, align 8, !tbaa !9
  %15 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 4
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %24

18:                                               ; preds = %13
  %19 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 4
  %20 = load ptr, ptr %19, align 8, !tbaa !12
  %21 = icmp eq ptr %20, null
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @_ZdaPv(ptr noundef %20) #3
  br label %23

23:                                               ; preds = %22, %18
  br label %24

24:                                               ; preds = %23, %13
  %25 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 4
  store ptr null, ptr %25, align 8, !tbaa !12
  %26 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 6
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %35

29:                                               ; preds = %24
  %30 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 6
  %31 = load ptr, ptr %30, align 8, !tbaa !13
  %32 = icmp eq ptr %31, null
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @_ZdaPv(ptr noundef %31) #3
  br label %34

34:                                               ; preds = %33, %29
  br label %35

35:                                               ; preds = %34, %24
  %36 = getelementptr inbounds %"class.qpOASES::SparseMatrix", ptr %3, i32 0, i32 6
  store ptr null, ptr %36, align 8, !tbaa !13
  %37 = load ptr, ptr %3, align 8, !tbaa !14
  %38 = getelementptr i8, ptr %37, i64 -24
  %39 = load i64, ptr %38, align 8
  %40 = getelementptr inbounds i8, ptr %3, i64 %39
  call void @_ZN7qpOASES6Matrix15doNotFreeMemoryEv(ptr noundef nonnull align 8 dereferenceable(12) %40)
  ret void
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { 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 = !{!"_ZTSN7qpOASES12SparseMatrixE", !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 24}
!13 = !{!10, !6, i64 40}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !8, 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: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7qpOASES6Matrix15doNotFreeMemoryEv(ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7qpOASES12SparseMatrix4freeEv(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %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
  br label %5

5:                                                ; preds = %4, %1
  store ptr null, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %.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
  br label %9

9:                                                ; preds = %8, %5
  store ptr null, ptr %6, align 8, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %0, i64 40
  %11 = load ptr, ptr %10, align 8, !tbaa !12
  %.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
  br label %13

13:                                               ; preds = %12, %9
  store ptr null, ptr %10, align 8, !tbaa !12
  %14 = load ptr, ptr %0, align 8, !tbaa !13
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %0, i64 %16
  tail call void @_ZN7qpOASES6Matrix15doNotFreeMemoryEv(ptr noundef nonnull align 8 dereferenceable(12) %17)
  ret void
}

attributes #0 = { 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 #1 = { 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 #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 = !{!"_ZTSN7qpOASES12SparseMatrixE", !7, i64 8, !7, i64 12, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 24}
!12 = !{!6, !10, i64 40}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !9, i64 0}


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