; LLVM IR from Waqar144/simplecrypto-cxx :: simplecrypto-cxx (hmac)

; 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.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11hmac_sha256PKhmS0_mPh(ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11hmac_sha512PKhmS0_mPh(ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8hashHmacINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIhSaIhEE9HMAC_ALGORKT_SC_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, i8 noundef zeroext %1, ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i8, align 1
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i1, align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8
  store i8 %1, ptr %6, align 1, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !9
  store i1 false, ptr %9, align 1
  call void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %12 = load i8, ptr %6, align 1, !tbaa !5
  switch i8 %12, label %41 [
    i8 0, label %13
    i8 1, label %29
  ]

13:                                               ; preds = %4
  invoke void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 32)
          to label %14 unwind label %25

14:                                               ; preds = %13
  %15 = load ptr, ptr %7, align 8, !tbaa !9
  %16 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %15) #2
  %17 = load ptr, ptr %7, align 8, !tbaa !9
  %18 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %17) #2
  %19 = load ptr, ptr %8, align 8, !tbaa !9
  %20 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %19) #2
  %21 = load ptr, ptr %8, align 8, !tbaa !9
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %21) #2
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #2
  invoke void @_Z11hmac_sha256PKhmS0_mPh(ptr noundef %16, i64 noundef %18, ptr noundef %20, i64 noundef %22, ptr noundef %23)
          to label %24 unwind label %25

24:                                               ; preds = %14
  br label %41

25:                                               ; preds = %30, %29, %14, %13
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %10, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %11, align 4
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %45

29:                                               ; preds = %4
  invoke void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 64)
          to label %30 unwind label %25

30:                                               ; preds = %29
  %31 = load ptr, ptr %7, align 8, !tbaa !9
  %32 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %31) #2
  %33 = load ptr, ptr %7, align 8, !tbaa !9
  %34 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %33) #2
  %35 = load ptr, ptr %8, align 8, !tbaa !9
  %36 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %35) #2
  %37 = load ptr, ptr %8, align 8, !tbaa !9
  %38 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %37) #2
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #2
  invoke void @_Z11hmac_sha512PKhmS0_mPh(ptr noundef %32, i64 noundef %34, ptr noundef %36, i64 noundef %38, ptr noundef %39)
          to label %40 unwind label %25

40:                                               ; preds = %30
  br label %41

41:                                               ; preds = %40, %24, %4
  store i1 true, ptr %9, align 1
  %42 = load i1, ptr %9, align 1
  br i1 %42, label %44, label %43

43:                                               ; preds = %41
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %44

44:                                               ; preds = %43, %41
  ret void

45:                                               ; preds = %25
  %46 = load ptr, ptr %10, align 8
  %47 = load i32, ptr %11, align 4
  %48 = insertvalue { ptr, i32 } poison, ptr %46, 0
  %49 = insertvalue { ptr, i32 } %48, i32 %47, 1
  resume { ptr, i32 } %49
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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 = !{!"_ZTS9HMAC_ALGO", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


; 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"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11hmac_sha256PKhmS0_mPh(ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11hmac_sha512PKhmS0_mPh(ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8hashHmacINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIhSaIhEE9HMAC_ALGORKT_SC_(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0, i8 noundef zeroext %1, ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  switch i8 %1, label %21 [
    i8 0, label %5
    i8 1, label %14
  ]

5:                                                ; preds = %4
  invoke void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 32)
          to label %6 unwind label %12

6:                                                ; preds = %5
  %7 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #2
  %8 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #2
  %9 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %10 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %11 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #2
  invoke void @_Z11hmac_sha256PKhmS0_mPh(ptr noundef %7, i64 noundef %8, ptr noundef %9, i64 noundef %10, ptr noundef nonnull %11)
          to label %21 unwind label %12

12:                                               ; preds = %15, %14, %6, %5
  %13 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  resume { ptr, i32 } %13

14:                                               ; preds = %4
  invoke void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 64)
          to label %15 unwind label %12

15:                                               ; preds = %14
  %16 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #2
  %17 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #2
  %18 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %19 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %20 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #2
  invoke void @_Z11hmac_sha512PKhmS0_mPh(ptr noundef %16, i64 noundef %17, ptr noundef %18, i64 noundef %19, ptr noundef nonnull %20)
          to label %21 unwind label %12

21:                                               ; preds = %4, %6, %15
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass