; LLVM IR from specinfo-ua/UAPKI :: library/common/pkix (signeddata-helper)

; 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.Attributes = type { %struct.anon.5, %struct.asn_struct_ctx_s }
%struct.anon.5 = type { ptr, i32, i32, ptr }
%struct.asn_struct_ctx_s = type { i16, i16, i32, ptr, i64 }

@.str = external hidden unnamed_addr constant [34 x i8], align 1

; 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

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7UapkiNS5Pkcs716SignedDataParser10SignerInfo16decodeAttributesERK10AttributesRSt6vectorINS_9AttributeESaIS7_EE(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #2 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.Attributes, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds %struct.anon.5, ptr %10, i32 0, i32 1
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %14, label %57

14:                                               ; preds = %2
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.Attributes, ptr %16, i32 0, i32 0
  %18 = getelementptr inbounds %struct.anon.5, ptr %17, i32 0, i32 1
  %19 = load i32, ptr %18, align 8, !tbaa !11
  %20 = sext i32 %19 to i64
  call void @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %20)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %51, %14
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.Attributes, ptr %23, i32 0, i32 0
  %25 = getelementptr inbounds %struct.anon.5, ptr %24, i32 0, i32 1
  %26 = load i32, ptr %25, align 8, !tbaa !11
  %27 = icmp slt i32 %22, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %21
  store i32 2, ptr %8, align 4
  br label %54

29:                                               ; preds = %21
  br label %30

30:                                               ; preds = %29
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.Attributes, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds %struct.anon.5, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !17
  %35 = load i32, ptr %7, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds ptr, ptr %34, i64 %36
  %38 = load ptr, ptr %37, align 8, !tbaa !5
  %39 = load ptr, ptr %5, align 8, !tbaa !5
  %40 = load i32, ptr %7, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %41) #4
  %43 = call noundef i32 @_ZN7UapkiNS4Util17attributeFromAsn1ERK9AttributeRNS_9AttributeE(ptr noundef nonnull align 8 dereferenceable(88) %38, ptr noundef nonnull align 8 dereferenceable(40) %42)
  store i32 %43, ptr %6, align 4, !tbaa !9
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = icmp ne i32 %44, 0
  br i1 %45, label %46, label %48

46:                                               ; preds = %30
  %47 = load i32, ptr %6, align 4, !tbaa !9
  call void @stacktrace_add(ptr noundef @.str, i64 noundef 809, i32 noundef %47)
  store i32 7, ptr %8, align 4
  br label %54

48:                                               ; preds = %30
  br label %49

49:                                               ; preds = %48
  br label %50

50:                                               ; preds = %49
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %7, align 4, !tbaa !9
  br label %21, !llvm.loop !18

54:                                               ; preds = %46, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  %55 = load i32, ptr %8, align 4
  switch i32 %55, label %60 [
    i32 2, label %56
    i32 7, label %58
  ]

56:                                               ; preds = %54
  br label %57

57:                                               ; preds = %56, %2
  br label %58

58:                                               ; preds = %57, %54
  %59 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %59, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %60

60:                                               ; preds = %58, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %61 = load i32, ptr %3, align 4
  ret i32 %61
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare noundef i32 @_ZN7UapkiNS4Util17attributeFromAsn1ERK9AttributeRNS_9AttributeE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(40)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #3 = { 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 #4 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_ZTS10Attributes", !13, i64 0, !14, i64 24}
!13 = !{!"_ZTSN10AttributesUt_E", !6, i64 0, !10, i64 8, !10, i64 12, !6, i64 16}
!14 = !{!"_ZTS16asn_struct_ctx_s", !15, i64 0, !15, i64 2, !10, i64 4, !6, i64 8, !16, i64 16}
!15 = !{!"short", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!12, !6, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; 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 [34 x i8], align 1

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7UapkiNS5Pkcs716SignedDataParser10SignerInfo16decodeAttributesERK10AttributesRSt6vectorINS_9AttributeESaIS7_EE(ptr nocapture noundef nonnull readonly align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %6, label %.loopexit

6:                                                ; preds = %2
  %7 = zext nneg i32 %4 to i64
  tail call void @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %7)
  %8 = load i32, ptr %3, align 8, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %.loopexit

10:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr %3, align 8, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = icmp slt i64 %indvars.iv.next, %12
  br i1 %13, label %.lr.ph, label %.loopexit, !llvm.loop !15

.lr.ph:                                           ; preds = %6, %10
  %indvars.iv = phi i64 [ %indvars.iv.next, %10 ], [ 0, %6 ]
  %14 = load ptr, ptr %0, align 8, !tbaa !17
  %15 = getelementptr inbounds ptr, ptr %14, i64 %indvars.iv
  %16 = load ptr, ptr %15, align 8, !tbaa !18
  %17 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #3
  %18 = tail call noundef i32 @_ZN7UapkiNS4Util17attributeFromAsn1ERK9AttributeRNS_9AttributeE(ptr noundef nonnull align 8 dereferenceable(88) %16, ptr noundef nonnull align 8 dereferenceable(40) %17)
  %.not = icmp eq i32 %18, 0
  br i1 %.not, label %10, label %19

19:                                               ; preds = %.lr.ph
  tail call void @stacktrace_add(ptr noundef nonnull @.str, i64 noundef 809, i32 noundef %18)
  br label %.loopexit

.loopexit:                                        ; preds = %10, %6, %19, %2
  %.016 = phi i32 [ 0, %2 ], [ %18, %19 ], [ 0, %6 ], [ 0, %10 ]
  ret i32 %.016
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

declare noundef i32 @_ZN7UapkiNS4Util17attributeFromAsn1ERK9AttributeRNS_9AttributeE(ptr noundef nonnull align 8 dereferenceable(88), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorIN7UapkiNS9AttributeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 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 = { 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 #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, !11, i64 8}
!6 = !{!"_ZTS10Attributes", !7, i64 0, !12, i64 24}
!7 = !{!"_ZTSN10AttributesUt_E", !8, i64 0, !11, i64 8, !11, i64 12, !8, i64 16}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!"_ZTS16asn_struct_ctx_s", !13, i64 0, !13, i64 2, !11, i64 4, !8, i64 8, !14, i64 16}
!13 = !{!"short", !9, i64 0}
!14 = !{!"long", !9, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!6, !8, i64 0}
!18 = !{!8, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass