; LLVM IR from chronoxor/CppBenchmark :: source/benchmark (benchmark_base)

; 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" = 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 @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERSt6vectorISt10shared_ptrINS_9PhaseCoreEESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %7, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  %10 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %9, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = call ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  %13 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  br label %14

14:                                               ; preds = %21, %1
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %15, label %17, label %16

16:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %23

17:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  store ptr %18, ptr %6, align 8, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = call noundef nonnull align 8 dereferenceable(944) ptr @_ZNKSt19__shared_ptr_accessIN12CppBenchmark9PhaseCoreELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1) %19) #4
  call void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERNS_9PhaseCoreE(ptr noundef nonnull align 8 dereferenceable(944) %20)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %21

21:                                               ; preds = %17
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %14

23:                                               ; preds = %16
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERNS_9PhaseCoreE(ptr noundef nonnull align 8 dereferenceable(944)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(944) ptr @_ZNKSt19__shared_ptr_accessIN12CppBenchmark9PhaseCoreELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

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 = { 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 = { 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 #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"}


; 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" = 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 @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERSt6vectorISt10shared_ptrINS_9PhaseCoreEESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %4 = tail call ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %4, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = tail call ptr @_ZNSt6vectorISt10shared_ptrIN12CppBenchmark9PhaseCoreEESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %5, ptr %3, align 8
  %6 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %8 = call noundef nonnull align 8 dereferenceable(944) ptr @_ZNKSt19__shared_ptr_accessIN12CppBenchmark9PhaseCoreELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERNS_9PhaseCoreE(ptr noundef nonnull align 8 dereferenceable(944) %8)
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %10, label %.lr.ph, label %._crit_edge
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12CppBenchmark13BenchmarkBase22UpdateBenchmarkMetricsERNS_9PhaseCoreE(ptr noundef nonnull align 8 dereferenceable(944)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(944) ptr @_ZNKSt19__shared_ptr_accessIN12CppBenchmark9PhaseCoreELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1)) 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_iteratorIPSt10shared_ptrIN12CppBenchmark9PhaseCoreEESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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 = { 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 = { 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 #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)"}


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