; LLVM IR from sayanadhikari/picsp :: lib/iniparser/src (dictionary)

; 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._dictionary_ = type { i32, i32, ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @dictionary_del(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 1, ptr %4, align 4
  br label %64

8:                                                ; preds = %1
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %50, %8
  %10 = load i32, ptr %3, align 4, !tbaa !9
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct._dictionary_, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !11
  %14 = icmp slt i32 %10, %13
  br i1 %14, label %15, label %53

15:                                               ; preds = %9
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct._dictionary_, ptr %16, i32 0, i32 3
  %18 = load ptr, ptr %17, align 8, !tbaa !13
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds ptr, ptr %18, i64 %20
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %32

24:                                               ; preds = %15
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct._dictionary_, ptr %25, i32 0, i32 3
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = load i32, ptr %3, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds ptr, ptr %27, i64 %29
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  call void @free(ptr noundef %31) #3
  br label %32

32:                                               ; preds = %24, %15
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct._dictionary_, ptr %33, i32 0, i32 2
  %35 = load ptr, ptr %34, align 8, !tbaa !14
  %36 = load i32, ptr %3, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds ptr, ptr %35, i64 %37
  %39 = load ptr, ptr %38, align 8, !tbaa !5
  %40 = icmp ne ptr %39, null
  br i1 %40, label %41, label %49

41:                                               ; preds = %32
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct._dictionary_, ptr %42, i32 0, i32 2
  %44 = load ptr, ptr %43, align 8, !tbaa !14
  %45 = load i32, ptr %3, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds ptr, ptr %44, i64 %46
  %48 = load ptr, ptr %47, align 8, !tbaa !5
  call void @free(ptr noundef %48) #3
  br label %49

49:                                               ; preds = %41, %32
  br label %50

50:                                               ; preds = %49
  %51 = load i32, ptr %3, align 4, !tbaa !9
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %3, align 4, !tbaa !9
  br label %9, !llvm.loop !15

53:                                               ; preds = %9
  %54 = load ptr, ptr %2, align 8, !tbaa !5
  %55 = getelementptr inbounds %struct._dictionary_, ptr %54, i32 0, i32 2
  %56 = load ptr, ptr %55, align 8, !tbaa !14
  call void @free(ptr noundef %56) #3
  %57 = load ptr, ptr %2, align 8, !tbaa !5
  %58 = getelementptr inbounds %struct._dictionary_, ptr %57, i32 0, i32 3
  %59 = load ptr, ptr %58, align 8, !tbaa !13
  call void @free(ptr noundef %59) #3
  %60 = load ptr, ptr %2, align 8, !tbaa !5
  %61 = getelementptr inbounds %struct._dictionary_, ptr %60, i32 0, i32 4
  %62 = load ptr, ptr %61, align 8, !tbaa !17
  call void @free(ptr noundef %62) #3
  %63 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %63) #3
  store i32 1, ptr %4, align 4
  br label %64

64:                                               ; preds = %53, %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #3 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 4}
!12 = !{!"_dictionary_", !10, i64 0, !10, i64 4, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!12, !6, i64 16}
!14 = !{!12, !6, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!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"

; Function Attrs: nounwind uwtable
define dso_local void @dictionary_del(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %28, label %.preheader

.preheader:                                       ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  br label %8

8:                                                ; preds = %.lr.ph, %18
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %18 ]
  %9 = load ptr, ptr %6, align 8, !tbaa !11
  %10 = getelementptr inbounds ptr, ptr %9, i64 %indvars.iv
  %11 = load ptr, ptr %10, align 8, !tbaa !12
  %.not = icmp eq ptr %11, null
  br i1 %.not, label %13, label %12

12:                                               ; preds = %8
  tail call void @free(ptr noundef nonnull %11) #2
  br label %13

13:                                               ; preds = %12, %8
  %14 = load ptr, ptr %7, align 8, !tbaa !13
  %15 = getelementptr inbounds ptr, ptr %14, i64 %indvars.iv
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %.not18 = icmp eq ptr %16, null
  br i1 %.not18, label %18, label %17

17:                                               ; preds = %13
  tail call void @free(ptr noundef nonnull %16) #2
  br label %18

18:                                               ; preds = %13, %17
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = icmp slt i64 %indvars.iv.next, %20
  br i1 %21, label %8, label %._crit_edge, !llvm.loop !14

._crit_edge:                                      ; preds = %18, %.preheader
  %22 = getelementptr inbounds i8, ptr %0, i64 8
  %23 = load ptr, ptr %22, align 8, !tbaa !13
  tail call void @free(ptr noundef %23) #2
  %24 = getelementptr inbounds i8, ptr %0, i64 16
  %25 = load ptr, ptr %24, align 8, !tbaa !11
  tail call void @free(ptr noundef %25) #2
  %26 = getelementptr inbounds i8, ptr %0, i64 24
  %27 = load ptr, ptr %26, align 8, !tbaa !16
  tail call void @free(ptr noundef %27) #2
  tail call void @free(ptr noundef nonnull %0) #2
  br label %28

28:                                               ; preds = %1, %._crit_edge
  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 = { 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 = { 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 4}
!6 = !{!"_dictionary_", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!10, !10, i64 0}
!13 = !{!6, !10, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!6, !10, i64 24}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass