; LLVM IR from apache/mxnet :: src/lib_api.ll (ZN5mxnet3ext11MXerrorMsgs3getB5cxx11Ei)

; 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.mxnet::ext::MXerrorMsgs" = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_stringstream<char>, std::allocator<std::__cxx11::basic_stringstream<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_stringstream<char>, std::allocator<std::__cxx11::basic_stringstream<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_stringstream<char>, std::allocator<std::__cxx11::basic_stringstream<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_stringstream<char>, std::allocator<std::__cxx11::basic_stringstream<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN5mxnet3ext11MXerrorMsgs3getB5cxx11Ei(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 32) #3
  %9 = getelementptr inbounds %"class.mxnet::ext::MXerrorMsgs", ptr %7, i32 0, i32 0
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = sext i32 %10 to i64
  %12 = invoke noundef nonnull align 8 dereferenceable(128) ptr @_ZNSt6vectorINSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEESaIS5_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %11)
          to label %13 unwind label %15

13:                                               ; preds = %2
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(128) %12)
          to label %14 unwind label %15

14:                                               ; preds = %13
  ret ptr %8

15:                                               ; preds = %13, %2
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %5, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 32) #4
  br label %19

19:                                               ; preds = %15
  %20 = load ptr, ptr %5, align 8
  %21 = load i32, ptr %6, align 4
  %22 = insertvalue { ptr, i32 } poison, ptr %20, 0
  %23 = insertvalue { ptr, i32 } %22, i32 %21, 1
  resume { ptr, i32 } %23
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(128) ptr @_ZNSt6vectorINSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEESaIS5_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #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 = { nobuiltin allocsize(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 = { 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 #3 = { builtin allocsize(0) }
attributes #4 = { builtin 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}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_ZN5mxnet3ext11MXerrorMsgs3getB5cxx11Ei(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef nonnull dereferenceable(32) ptr @_Znwm(i64 noundef 32) #3
  %4 = sext i32 %1 to i64
  %5 = invoke noundef nonnull align 8 dereferenceable(128) ptr @_ZNSt6vectorINSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEESaIS5_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %4)
          to label %6 unwind label %8

6:                                                ; preds = %2
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(128) %5)
          to label %7 unwind label %8

7:                                                ; preds = %6
  ret ptr %3

8:                                                ; preds = %6, %2
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 32) #4
  resume { ptr, i32 } %9
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(128) ptr @_ZNSt6vectorINSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEESaIS5_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) local_unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #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 = { nobuiltin allocsize(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 = { 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 #3 = { builtin allocsize(0) }
attributes #4 = { builtin 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass