; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/Common (Compression)

; 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.Assimp::Compression" = type { ptr }
%"struct.Assimp::Compression::impl" = type <{ i8, [7 x i8], %struct.z_stream_s, i32, [4 x i8] }>
%struct.z_stream_s = type { ptr, i32, i64, ptr, i32, i64, ptr, ptr, ptr, ptr, ptr, i32, i64, i64 }

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [112 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6Assimp11Compression4openENS0_6FormatENS0_9FlushModeEi(ptr noundef nonnull align 8 dereferenceable(8) %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #1 align 2 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !11
  store i32 %3, ptr %9, align 4, !tbaa !13
  %10 = load ptr, ptr %6, align 8
  %11 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  %13 = icmp ne ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %4
  call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 77)
  br label %15

15:                                               ; preds = %14, %4
  %16 = phi i1 [ true, %4 ], [ false, %14 ]
  %17 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !15
  %19 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %18, i32 0, i32 0
  %20 = load i8, ptr %19, align 8, !tbaa !17, !range !22, !noundef !23
  %21 = trunc i8 %20 to i1
  br i1 %21, label %22, label %23

22:                                               ; preds = %15
  store i1 false, ptr %5, align 1
  br label %75

23:                                               ; preds = %15
  %24 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %25 = load ptr, ptr %24, align 8, !tbaa !15
  %26 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %25, i32 0, i32 2
  %27 = getelementptr inbounds %struct.z_stream_s, ptr %26, i32 0, i32 10
  store ptr null, ptr %27, align 8, !tbaa !24
  %28 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !15
  %30 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %29, i32 0, i32 2
  %31 = getelementptr inbounds %struct.z_stream_s, ptr %30, i32 0, i32 8
  store ptr null, ptr %31, align 8, !tbaa !25
  %32 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !15
  %34 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %33, i32 0, i32 2
  %35 = getelementptr inbounds %struct.z_stream_s, ptr %34, i32 0, i32 9
  store ptr null, ptr %35, align 8, !tbaa !26
  %36 = load i32, ptr %8, align 4, !tbaa !11
  %37 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !15
  %39 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %38, i32 0, i32 3
  store i32 %36, ptr %39, align 8, !tbaa !27
  %40 = load i32, ptr %7, align 4, !tbaa !9
  %41 = icmp eq i32 %40, 0
  br i1 %41, label %42, label %47

42:                                               ; preds = %23
  %43 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %44 = load ptr, ptr %43, align 8, !tbaa !15
  %45 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %44, i32 0, i32 2
  %46 = getelementptr inbounds %struct.z_stream_s, ptr %45, i32 0, i32 11
  store i32 0, ptr %46, align 8, !tbaa !28
  br label %52

47:                                               ; preds = %23
  %48 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %49 = load ptr, ptr %48, align 8, !tbaa !15
  %50 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %49, i32 0, i32 2
  %51 = getelementptr inbounds %struct.z_stream_s, ptr %50, i32 0, i32 11
  store i32 1, ptr %51, align 8, !tbaa !28
  br label %52

52:                                               ; preds = %47, %42
  %53 = load i32, ptr %9, align 4, !tbaa !13
  %54 = icmp eq i32 %53, 0
  br i1 %54, label %55, label %60

55:                                               ; preds = %52
  %56 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %57 = load ptr, ptr %56, align 8, !tbaa !15
  %58 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %57, i32 0, i32 2
  %59 = call i32 @inflateInit_(ptr noundef %58, ptr noundef @.str.2, i32 noundef 112)
  br label %66

60:                                               ; preds = %52
  %61 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %62 = load ptr, ptr %61, align 8, !tbaa !15
  %63 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %62, i32 0, i32 2
  %64 = load i32, ptr %9, align 4, !tbaa !13
  %65 = call i32 @inflateInit2_(ptr noundef %63, i32 noundef %64, ptr noundef @.str.2, i32 noundef 112)
  br label %66

66:                                               ; preds = %60, %55
  %67 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8, !tbaa !15
  %69 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %68, i32 0, i32 0
  store i8 1, ptr %69, align 8, !tbaa !17
  %70 = getelementptr inbounds %"class.Assimp::Compression", ptr %10, i32 0, i32 0
  %71 = load ptr, ptr %70, align 8, !tbaa !15
  %72 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %71, i32 0, i32 0
  %73 = load i8, ptr %72, align 8, !tbaa !17, !range !22, !noundef !23
  %74 = trunc i8 %73 to i1
  store i1 %74, ptr %5, align 1
  br label %75

75:                                               ; preds = %66, %22
  %76 = load i1, ptr %5, align 1
  ret i1 %76
}

declare i32 @inflateInit_(ptr noundef, ptr noundef, i32 noundef) #0

declare i32 @inflateInit2_(ptr noundef, i32 noundef, ptr noundef, i32 noundef) #0

attributes #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 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" }

!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, !10, i64 0}
!10 = !{!"_ZTSN6Assimp11Compression6FormatE", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTSN6Assimp11Compression9FlushModeE", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!16, !6, i64 0}
!16 = !{!"_ZTSN6Assimp11CompressionE", !6, i64 0}
!17 = !{!18, !19, i64 0}
!18 = !{!"_ZTSN6Assimp11Compression4implE", !19, i64 0, !20, i64 8, !12, i64 120}
!19 = !{!"bool", !7, i64 0}
!20 = !{!"_ZTS10z_stream_s", !6, i64 0, !14, i64 8, !21, i64 16, !6, i64 24, !14, i64 32, !21, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !14, i64 88, !21, i64 96, !21, i64 104}
!21 = !{!"long", !7, i64 0}
!22 = !{i8 0, i8 2}
!23 = !{}
!24 = !{!18, !6, i64 88}
!25 = !{!18, !6, i64 72}
!26 = !{!18, !6, i64 80}
!27 = !{!18, !12, i64 120}
!28 = !{!18, !14, i64 96}


; 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"

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [112 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6Assimp11Compression4openENS0_6FormatENS0_9FlushModeEi(ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %6, label %7

6:                                                ; preds = %4
  tail call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 77)
  %.pre = load ptr, ptr %0, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %6, %4
  %8 = phi ptr [ %.pre, %6 ], [ %5, %4 ]
  %9 = load i8, ptr %8, align 8, !tbaa !10, !range !17, !noundef !18
  %10 = trunc nuw i8 %9 to i1
  br i1 %10, label %24, label %11

11:                                               ; preds = %7
  %12 = getelementptr inbounds i8, ptr %8, i64 72
  %13 = getelementptr inbounds i8, ptr %8, i64 120
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %12, i8 0, i64 24, i1 false)
  store i32 %2, ptr %13, align 8, !tbaa !19
  %14 = icmp ne i32 %1, 0
  %spec.select = zext i1 %14 to i32
  %15 = getelementptr inbounds i8, ptr %8, i64 96
  store i32 %spec.select, ptr %15, align 8
  %16 = icmp eq i32 %3, 0
  %17 = getelementptr inbounds i8, ptr %8, i64 8
  br i1 %16, label %18, label %20

18:                                               ; preds = %11
  %19 = tail call i32 @inflateInit_(ptr noundef nonnull %17, ptr noundef nonnull @.str.2, i32 noundef 112)
  br label %22

20:                                               ; preds = %11
  %21 = tail call i32 @inflateInit2_(ptr noundef nonnull %17, i32 noundef %3, ptr noundef nonnull @.str.2, i32 noundef 112)
  br label %22

22:                                               ; preds = %20, %18
  %23 = load ptr, ptr %0, align 8, !tbaa !5
  store i8 1, ptr %23, align 8, !tbaa !10
  br label %24

24:                                               ; preds = %7, %22
  %.0 = xor i1 %10, true
  ret i1 %.0
}

declare i32 @inflateInit_(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

declare i32 @inflateInit2_(ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #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 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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 = !{!"_ZTSN6Assimp11CompressionE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !12, i64 0}
!11 = !{!"_ZTSN6Assimp11Compression4implE", !12, i64 0, !13, i64 8, !16, i64 120}
!12 = !{!"bool", !8, i64 0}
!13 = !{!"_ZTS10z_stream_s", !7, i64 0, !14, i64 8, !15, i64 16, !7, i64 24, !14, i64 32, !15, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !14, i64 88, !15, i64 96, !15, i64 104}
!14 = !{!"int", !8, i64 0}
!15 = !{!"long", !8, i64 0}
!16 = !{!"_ZTSN6Assimp11Compression9FlushModeE", !8, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = !{!11, !16, i64 120}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InstCombinePass,JumpThreadingPass,MemCpyOptPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass