; LLVM IR from thepowersgang/mrustc :: src/hir/visitor.ll (ZN3HIR7Visitor10visit_exprERNS_7ExprPtrE)

; 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.__gnu_cxx::__normal_iterator.526" = type { ptr }
%"class.HIR::ExprPtr" = type { %"class.HIR::ExprPtrInner", %"class.std::vector.314", %"class.std::vector.314", %"class.MIR::FunctionPointer", %"class.HIR::ExprStatePtr" }
%"class.HIR::ExprPtrInner" = type { ptr }
%"class.std::vector.314" = type { %"struct.std::_Vector_base.315" }
%"struct.std::_Vector_base.315" = type { %"struct.std::_Vector_base<HIR::TypeRef, std::allocator<HIR::TypeRef>>::_Vector_impl" }
%"struct.std::_Vector_base<HIR::TypeRef, std::allocator<HIR::TypeRef>>::_Vector_impl" = type { %"struct.std::_Vector_base<HIR::TypeRef, std::allocator<HIR::TypeRef>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HIR::TypeRef, std::allocator<HIR::TypeRef>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.MIR::FunctionPointer" = type { ptr }
%"class.HIR::ExprStatePtr" = type { ptr }

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3HIR7Visitor10visit_exprERNS_7ExprPtrE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(72) %1) unnamed_addr #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %12 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.HIR::ExprPtr", ptr %14, i32 0, i32 2
  store ptr %15, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.526", ptr %6, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #4
  %21 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.526", ptr %7, i32 0, i32 0
  store ptr %20, ptr %21, align 8
  br label %22

22:                                               ; preds = %31, %2
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %23, label %25, label %24

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %33

25:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  store ptr %26, ptr %8, align 8, !tbaa !5
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load ptr, ptr %13, align 8, !tbaa !9
  %29 = getelementptr inbounds ptr, ptr %28, i64 21
  %30 = load ptr, ptr %29, align 8
  call void %30(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %27)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %31

31:                                               ; preds = %25
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br label %22

33:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %"class.HIR::ExprPtr", ptr %34, i32 0, i32 1
  store ptr %35, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %36 = load ptr, ptr %9, align 8, !tbaa !5
  %37 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %36) #4
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.526", ptr %10, i32 0, i32 0
  store ptr %37, ptr %38, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #4
  %41 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.526", ptr %11, i32 0, i32 0
  store ptr %40, ptr %41, align 8
  br label %42

42:                                               ; preds = %51, %33
  %43 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %43, label %45, label %44

44:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %53

45:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  store ptr %46, ptr %12, align 8, !tbaa !5
  %47 = load ptr, ptr %12, align 8, !tbaa !5
  %48 = load ptr, ptr %13, align 8, !tbaa !9
  %49 = getelementptr inbounds ptr, ptr %48, i64 21
  %50 = load ptr, ptr %49, align 8
  call void %50(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %47)
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %51

51:                                               ; preds = %45
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br label %42

53:                                               ; preds = %44
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 = { 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 #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 = !{!"vtable pointer", !8, 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.__gnu_cxx::__normal_iterator.526" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3HIR7Visitor10visit_exprERNS_7ExprPtrE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(72) %1) unnamed_addr #3 align 2 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.526", align 8
  %7 = getelementptr inbounds i8, ptr %1, i64 32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %8 = tail call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %8, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %9 = tail call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %9, ptr %4, align 8
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %11 = getelementptr inbounds i8, ptr %1, i64 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %12 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  store ptr %12, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %13 = call ptr @_ZNSt6vectorIN3HIR7TypeRefESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  store ptr %13, ptr %6, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %14, label %.lr.ph10, label %._crit_edge11

.lr.ph:                                           ; preds = %2, %.lr.ph
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %16 = load ptr, ptr %0, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %16, i64 168
  %18 = load ptr, ptr %17, align 8
  call void %18(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(8) %15)
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %20, label %.lr.ph, label %._crit_edge

._crit_edge11:                                    ; preds = %.lr.ph10, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  ret void

.lr.ph10:                                         ; preds = %._crit_edge, %.lr.ph10
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %22 = load ptr, ptr %0, align 8, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %22, i64 168
  %24 = load ptr, ptr %23, align 8
  call void %24(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(8) %21)
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %26 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN3HIR7TypeRefESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %26, label %.lr.ph10, label %._crit_edge11
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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