; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/Common/Compression.ll (ZN6Assimp11CompressionD2Ev)

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Assimp11CompressionD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %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.Assimp::Compression", ptr %3, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %9, label %7

7:                                                ; preds = %1
  invoke void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 67)
          to label %8 unwind label %25

8:                                                ; preds = %7
  br label %9

9:                                                ; preds = %8, %1
  %10 = phi i1 [ true, %1 ], [ false, %8 ]
  %11 = getelementptr inbounds %"class.Assimp::Compression", ptr %3, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds %"struct.Assimp::Compression::impl", ptr %12, i32 0, i32 0
  %14 = load i8, ptr %13, align 8, !tbaa !11, !range !18, !noundef !19
  %15 = trunc i8 %14 to i1
  br i1 %15, label %16, label %19

16:                                               ; preds = %9
  %17 = invoke noundef zeroext i1 @_ZN6Assimp11Compression5closeEv(ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %18 unwind label %25

18:                                               ; preds = %16
  br label %19

19:                                               ; preds = %18, %9
  %20 = getelementptr inbounds %"class.Assimp::Compression", ptr %3, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = icmp eq ptr %21, null
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @_ZdlPvm(ptr noundef %21, i64 noundef 128) #5
  br label %24

24:                                               ; preds = %23, %19
  ret void

25:                                               ; preds = %16, %7
  %26 = landingpad { ptr, i32 }
          catch ptr null
  %27 = extractvalue { ptr, i32 } %26, 0
  call void @__clang_call_terminate(ptr %27) #6
  unreachable
}

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) #2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN6Assimp11Compression5closeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

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 = { "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 = { noinline noreturn nounwind uwtable "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 #4 = { 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 #5 = { builtin nounwind }
attributes #6 = { noreturn 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 0}
!10 = !{!"_ZTSN6Assimp11CompressionE", !6, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTSN6Assimp11Compression4implE", !13, i64 0, !14, i64 8, !17, i64 120}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTS10z_stream_s", !6, i64 0, !15, i64 8, !16, i64 16, !6, i64 24, !15, i64 32, !16, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !15, i64 88, !16, i64 96, !16, i64 104}
!15 = !{!"int", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"_ZTSN6Assimp11Compression9FlushModeE", !7, i64 0}
!18 = !{i8 0, i8 2}
!19 = !{}


; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Assimp11CompressionD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %1
  invoke void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 67)
          to label %._crit_edge unwind label %14

._crit_edge:                                      ; preds = %3
  %.pre = load ptr, ptr %0, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %._crit_edge, %1
  %5 = phi ptr [ %.pre, %._crit_edge ], [ %2, %1 ]
  %6 = load i8, ptr %5, align 8, !tbaa !10, !range !17, !noundef !18
  %7 = trunc nuw i8 %6 to i1
  br i1 %7, label %8, label %.thread

8:                                                ; preds = %4
  %9 = invoke noundef zeroext i1 @_ZN6Assimp11Compression5closeEv(ptr noundef nonnull align 8 dereferenceable(8) %0)
          to label %10 unwind label %14

10:                                               ; preds = %8
  %.pr = load ptr, ptr %0, align 8, !tbaa !5
  %11 = icmp eq ptr %.pr, null
  br i1 %11, label %13, label %.thread

.thread:                                          ; preds = %4, %10
  %12 = phi ptr [ %.pr, %10 ], [ %5, %4 ]
  tail call void @_ZdlPvm(ptr noundef nonnull %12, i64 noundef 128) #5
  br label %13

13:                                               ; preds = %.thread, %10
  ret void

14:                                               ; preds = %8, %3
  %15 = landingpad { ptr, i32 }
          catch ptr null
  %16 = extractvalue { ptr, i32 } %15, 0
  tail call void @__clang_call_terminate(ptr %16) #6
  unreachable
}

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN6Assimp11Compression5closeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

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 = { "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 = { noinline noreturn nounwind uwtable "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 #4 = { 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 #5 = { builtin nounwind }
attributes #6 = { noreturn 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 = !{!"_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 = !{}


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