; LLVM IR from casensiom/fast-image-processing :: src (hough)

; 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"

%struct.SHoughWorkspace = type { i32, i32, double, i32, i32, ptr, i32, i32, ptr, i32, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @release_workspace_hough(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp ne ptr %3, null
  br i1 %4, label %5, label %53

5:                                                ; preds = %1
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.SHoughWorkspace, ptr %6, i32 0, i32 9
  store i32 0, ptr %7, align 8, !tbaa !9
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.SHoughWorkspace, ptr %8, i32 0, i32 5
  %10 = load ptr, ptr %9, align 8, !tbaa !13
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %18

12:                                               ; preds = %5
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.SHoughWorkspace, ptr %13, i32 0, i32 5
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  call void @free(ptr noundef %15) #2
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.SHoughWorkspace, ptr %16, i32 0, i32 5
  store ptr null, ptr %17, align 8, !tbaa !13
  br label %18

18:                                               ; preds = %12, %5
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.SHoughWorkspace, ptr %19, i32 0, i32 8
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %29

23:                                               ; preds = %18
  %24 = load ptr, ptr %2, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.SHoughWorkspace, ptr %24, i32 0, i32 8
  %26 = load ptr, ptr %25, align 8, !tbaa !14
  call void @free(ptr noundef %26) #2
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.SHoughWorkspace, ptr %27, i32 0, i32 8
  store ptr null, ptr %28, align 8, !tbaa !14
  br label %29

29:                                               ; preds = %23, %18
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.SHoughWorkspace, ptr %30, i32 0, i32 10
  %32 = load ptr, ptr %31, align 8, !tbaa !15
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %40

34:                                               ; preds = %29
  %35 = load ptr, ptr %2, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.SHoughWorkspace, ptr %35, i32 0, i32 10
  %37 = load ptr, ptr %36, align 8, !tbaa !15
  call void @free(ptr noundef %37) #2
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.SHoughWorkspace, ptr %38, i32 0, i32 10
  store ptr null, ptr %39, align 8, !tbaa !15
  br label %40

40:                                               ; preds = %34, %29
  %41 = load ptr, ptr %2, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.SHoughWorkspace, ptr %41, i32 0, i32 11
  %43 = load ptr, ptr %42, align 8, !tbaa !16
  %44 = icmp ne ptr %43, null
  br i1 %44, label %45, label %51

45:                                               ; preds = %40
  %46 = load ptr, ptr %2, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.SHoughWorkspace, ptr %46, i32 0, i32 11
  %48 = load ptr, ptr %47, align 8, !tbaa !16
  call void @free(ptr noundef %48) #2
  %49 = load ptr, ptr %2, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.SHoughWorkspace, ptr %49, i32 0, i32 11
  store ptr null, ptr %50, align 8, !tbaa !16
  br label %51

51:                                               ; preds = %45, %40
  %52 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %52) #2
  br label %53

53:                                               ; preds = %51, %1
  ret void
}

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

attributes #0 = { 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 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !11, i64 48}
!10 = !{!"SHoughWorkspace", !11, i64 0, !11, i64 4, !12, i64 8, !11, i64 16, !11, i64 20, !6, i64 24, !11, i64 32, !11, i64 36, !6, i64 40, !11, i64 48, !6, i64 56, !6, i64 64}
!11 = !{!"int", !7, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!10, !6, i64 24}
!14 = !{!10, !6, i64 40}
!15 = !{!10, !6, i64 56}
!16 = !{!10, !6, i64 64}


; 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 willreturn uwtable
define dso_local void @release_workspace_hough(ptr noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %20, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 48
  store i32 0, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !12
  %.not19 = icmp eq ptr %5, null
  br i1 %.not19, label %7, label %6

6:                                                ; preds = %2
  tail call void @free(ptr noundef nonnull %5) #2
  store ptr null, ptr %4, align 8, !tbaa !12
  br label %7

7:                                                ; preds = %6, %2
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  %9 = load ptr, ptr %8, align 8, !tbaa !13
  %.not20 = icmp eq ptr %9, null
  br i1 %.not20, label %11, label %10

10:                                               ; preds = %7
  tail call void @free(ptr noundef nonnull %9) #2
  store ptr null, ptr %8, align 8, !tbaa !13
  br label %11

11:                                               ; preds = %10, %7
  %12 = getelementptr inbounds i8, ptr %0, i64 56
  %13 = load ptr, ptr %12, align 8, !tbaa !14
  %.not21 = icmp eq ptr %13, null
  br i1 %.not21, label %15, label %14

14:                                               ; preds = %11
  tail call void @free(ptr noundef nonnull %13) #2
  store ptr null, ptr %12, align 8, !tbaa !14
  br label %15

15:                                               ; preds = %14, %11
  %16 = getelementptr inbounds i8, ptr %0, i64 64
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  %.not22 = icmp eq ptr %17, null
  br i1 %.not22, label %19, label %18

18:                                               ; preds = %15
  tail call void @free(ptr noundef nonnull %17) #2
  br label %19

19:                                               ; preds = %18, %15
  tail call void @free(ptr noundef nonnull %0) #2
  br label %20

20:                                               ; preds = %19, %1
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nounwind willreturn 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 = { 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 #2 = { 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, !7, i64 48}
!6 = !{!"SHoughWorkspace", !7, i64 0, !7, i64 4, !10, i64 8, !7, i64 16, !7, i64 20, !11, i64 24, !7, i64 32, !7, i64 36, !11, i64 40, !7, i64 48, !11, i64 56, !11, i64 64}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!6, !11, i64 24}
!13 = !{!6, !11, i64 40}
!14 = !{!6, !11, i64 56}
!15 = !{!6, !11, i64 64}


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