; LLVM IR from mncoppola/rpef :: utilities_src/squashfs2.1/lzma/C/7zip/Archive/7z_C (7zItem)

; 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._CFolder = type { i32, ptr, i32, ptr, i32, ptr, ptr, i32, i32, i32 }
%struct._CCoderInfo = type { i32, i32, %struct._CMethodID, %struct._CSzByteBuffer }
%struct._CMethodID = type { [15 x i8], i8 }
%struct._CSzByteBuffer = type { i64, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @SzCoderInfoFree(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @SzFolderInit(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @SzFolderFree(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %20, %2
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct._CFolder, ptr %8, i32 0, i32 0
  %10 = load i32, ptr %9, align 8, !tbaa !11
  %11 = icmp ult i32 %7, %10
  br i1 %11, label %12, label %23

12:                                               ; preds = %6
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct._CFolder, ptr %13, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds %struct._CCoderInfo, ptr %15, i64 %17
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  call void @SzCoderInfoFree(ptr noundef %18, ptr noundef %19)
  br label %20

20:                                               ; preds = %12
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = add i32 %21, 1
  store i32 %22, ptr %5, align 4, !tbaa !9
  br label %6, !llvm.loop !14

23:                                               ; preds = %6
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct._CFolder, ptr %25, i32 0, i32 1
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  call void %24(ptr noundef %27)
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct._CFolder, ptr %29, i32 0, i32 3
  %31 = load ptr, ptr %30, align 8, !tbaa !16
  call void %28(ptr noundef %31)
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct._CFolder, ptr %33, i32 0, i32 5
  %35 = load ptr, ptr %34, align 8, !tbaa !17
  call void %32(ptr noundef %35)
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct._CFolder, ptr %37, i32 0, i32 6
  %39 = load ptr, ptr %38, align 8, !tbaa !18
  call void %36(ptr noundef %39)
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  call void @SzFolderInit(ptr noundef %40)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_CFolder", !10, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !10, i64 32, !6, i64 40, !6, i64 48, !10, i64 56, !10, i64 60, !10, i64 64}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !6, i64 24}
!17 = !{!12, !6, i64 40}
!18 = !{!12, !6, i64 48}


; 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"

%struct._CCoderInfo = type { i32, i32, %struct._CMethodID, %struct._CSzByteBuffer }
%struct._CMethodID = type { [15 x i8], i8 }
%struct._CSzByteBuffer = type { i64, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @SzCoderInfoFree(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @SzFolderInit(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @SzFolderFree(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  br label %5

5:                                                ; preds = %.lr.ph, %5
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %5 ]
  %6 = load ptr, ptr %4, align 8, !tbaa !11
  %7 = getelementptr inbounds %struct._CCoderInfo, ptr %6, i64 %indvars.iv
  tail call void @SzCoderInfoFree(ptr noundef %7, ptr noundef %1)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %8 = load i32, ptr %0, align 8, !tbaa !5
  %9 = zext i32 %8 to i64
  %10 = icmp ult i64 %indvars.iv.next, %9
  br i1 %10, label %5, label %._crit_edge, !llvm.loop !12

._crit_edge:                                      ; preds = %5, %2
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  tail call void %1(ptr noundef %12) #1
  %13 = getelementptr inbounds i8, ptr %0, i64 24
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  tail call void %1(ptr noundef %14) #1
  %15 = getelementptr inbounds i8, ptr %0, i64 40
  %16 = load ptr, ptr %15, align 8, !tbaa !15
  tail call void %1(ptr noundef %16) #1
  %17 = getelementptr inbounds i8, ptr %0, i64 48
  %18 = load ptr, ptr %17, align 8, !tbaa !16
  tail call void %1(ptr noundef %18) #1
  tail call void @SzFolderInit(ptr noundef nonnull %0)
  ret void
}

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 }

!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 0}
!6 = !{!"_CFolder", !7, i64 0, !10, i64 8, !7, i64 16, !10, i64 24, !7, i64 32, !10, i64 40, !10, i64 48, !7, i64 56, !7, i64 60, !7, i64 64}
!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 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!6, !10, i64 24}
!15 = !{!6, !10, i64 40}
!16 = !{!6, !10, i64 48}


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