; LLVM IR from ChenyangZhang-cs/iMLBench :: MLP/co-run&zero-copy/src/tensor.ll (ZN5clnet4type7DropOut17generate_gradientEPNS_6TensorE)

; 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::__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] }
%"struct.clnet::Tensor" = type { ptr, %"class.std::vector.1", %"class.std::vector", %"class.std::__cxx11::basic_string", %"class.std::vector", i64, ptr, ptr, i64 }
%"class.std::vector.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<clnet::Tensor *, std::allocator<clnet::Tensor *>>::_Vector_impl" }
%"struct.std::_Vector_base<clnet::Tensor *, std::allocator<clnet::Tensor *>>::_Vector_impl" = type { %"struct.std::_Vector_base<clnet::Tensor *, std::allocator<clnet::Tensor *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<clnet::Tensor *, std::allocator<clnet::Tensor *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str.32 = external hidden unnamed_addr constant [6 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN5clnet4type7DropOut17generate_gradientEPNS_6TensorE(ptr noundef nonnull align 8 dereferenceable(148) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %12 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 144) #7
  invoke void @_ZN5clnet4back7DropOutC2Ev(ptr noundef nonnull align 8 dereferenceable(144) %12)
          to label %13 unwind label %26

13:                                               ; preds = %2
  store ptr %12, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #6
  %14 = getelementptr inbounds %"struct.clnet::Tensor", ptr %11, i32 0, i32 3
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef @.str.32, ptr noundef nonnull align 8 dereferenceable(32) %14)
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %"struct.clnet::Tensor", ptr %15, i32 0, i32 3
  %17 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"struct.clnet::Tensor", ptr %18, i32 0, i32 2
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %20, ptr %9, align 8, !tbaa !5
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 8 dereferenceable(8) %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %"struct.clnet::Tensor", ptr %21, i32 0, i32 2
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds %"struct.clnet::Tensor", ptr %23, i32 0, i32 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store ptr %11, ptr %10, align 8, !tbaa !5
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 8 dereferenceable(8) %10)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret ptr %25

26:                                               ; preds = %2
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %6, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %7, align 4
  call void @_ZdlPvm(ptr noundef %12, i64 noundef 144) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %30

30:                                               ; preds = %26
  %31 = load ptr, ptr %6, align 8
  %32 = load i32, ptr %7, align 4
  %33 = insertvalue { ptr, i32 } poison, ptr %31, 0
  %34 = insertvalue { ptr, i32 } %33, i32 %32, 1
  resume { ptr, i32 } %34
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5clnet4back7DropOutC2Ev(ptr noundef nonnull align 8 dereferenceable(144)) unnamed_addr #5 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { 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 #5 = { inlinehint 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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { 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"}


; 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] }

@.str.32 = external hidden unnamed_addr constant [6 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_ZN5clnet4type7DropOut17generate_gradientEPNS_6TensorE(ptr noundef nonnull align 8 dereferenceable(148) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %7 = tail call noalias noundef nonnull dereferenceable(144) ptr @_Znwm(i64 noundef 144) #6
  invoke void @_ZN5clnet4back7DropOutC2Ev(ptr noundef nonnull align 8 dereferenceable(144) %7)
          to label %8 unwind label %15

8:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  %9 = getelementptr inbounds i8, ptr %0, i64 56
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull @.str.32, ptr noundef nonnull align 8 dereferenceable(32) %9)
  %10 = getelementptr inbounds i8, ptr %7, i64 56
  %11 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  %12 = getelementptr inbounds i8, ptr %1, i64 32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  store ptr %7, ptr %5, align 8, !tbaa !5
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  %13 = getelementptr inbounds i8, ptr %7, i64 32
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %14 = getelementptr inbounds i8, ptr %7, i64 88
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store ptr %0, ptr %6, align 8, !tbaa !5
  call void @_ZNSt6vectorIPN5clnet6TensorESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  ret ptr %7

15:                                               ; preds = %2
  %16 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %7, i64 noundef 144) #8
  resume { ptr, i32 } %16
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5clnet4back7DropOutC2Ev(ptr noundef nonnull align 8 dereferenceable(144)) unnamed_addr #5 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { 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 #5 = { inlinehint 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 #6 = { builtin allocsize(0) }
attributes #7 = { nounwind }
attributes #8 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass