; LLVM IR from gem5/gem5 :: ext/dsent/util/Result.ll (ZNK5DSENT6Result12calculateSumEv)

; 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.3" = type { ptr }
%"class.DSENT::Result" = type { ptr, %"class.LibUtil::String", %"class.std::vector" }
%"class.LibUtil::String" = type { %"class.std::__cxx11::basic_string" }
%"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] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<DSENT::Result::SubResult *, std::allocator<DSENT::Result::SubResult *>>::_Vector_impl" }
%"struct.std::_Vector_base<DSENT::Result::SubResult *, std::allocator<DSENT::Result::SubResult *>>::_Vector_impl" = type { %"struct.std::_Vector_base<DSENT::Result::SubResult *, std::allocator<DSENT::Result::SubResult *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<DSENT::Result::SubResult *, std::allocator<DSENT::Result::SubResult *>>::_Vector_impl_data" = type { ptr, ptr, 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 noundef ptr @_ZNK5DSENT6Result9SubResult9getResultEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK5DSENT6Result9SubResult13getNumResultsEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZNK5DSENT6Result12calculateSumEv(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca double, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  store double 0.000000e+00, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %10 = getelementptr inbounds %"class.DSENT::Result", ptr %9, i32 0, i32 2
  %11 = call ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %12 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.3", ptr %4, i32 0, i32 0
  store ptr %11, ptr %12, align 8
  br label %13

13:                                               ; preds = %34, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %14 = getelementptr inbounds %"class.DSENT::Result", ptr %9, i32 0, i32 2
  %15 = call ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.3", ptr %5, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  %17 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br i1 %17, label %19, label %18

18:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %36

19:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  store ptr %21, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call noundef ptr @_ZNK5DSENT6Result9SubResult9getResultEv(ptr noundef nonnull align 8 dereferenceable(48) %22)
  store ptr %23, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = call noundef double @_ZNK5DSENT6Result9SubResult13getNumResultsEv(ptr noundef nonnull align 8 dereferenceable(48) %24)
  store double %25, ptr %8, align 8, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  %28 = getelementptr inbounds ptr, ptr %27, i64 5
  %29 = load ptr, ptr %28, align 8
  %30 = call noundef double %29(ptr noundef nonnull align 8 dereferenceable(64) %26)
  %31 = load double, ptr %8, align 8, !tbaa !9
  %32 = load double, ptr %3, align 8, !tbaa !9
  %33 = call double @llvm.fmuladd.f64(double %30, double %31, double %32)
  store double %33, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %34

34:                                               ; preds = %19
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br label %13, !llvm.loop !13

36:                                               ; preds = %18
  %37 = load double, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  ret double %37
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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.3" = 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 noundef ptr @_ZNK5DSENT6Result9SubResult9getResultEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK5DSENT6Result9SubResult13getNumResultsEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZNK5DSENT6Result12calculateSumEv(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #2 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  %5 = tail call ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  store ptr %5, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %6 = tail call ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  store ptr %6, ptr %3, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.0.lcssa = phi double [ 0.000000e+00, %1 ], [ %16, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  ret double %.0.lcssa

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.07 = phi double [ %16, %.lr.ph ], [ 0.000000e+00, %1 ]
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = call noundef ptr @_ZNK5DSENT6Result9SubResult9getResultEv(ptr noundef nonnull align 8 dereferenceable(48) %9)
  %11 = call noundef double @_ZNK5DSENT6Result9SubResult13getNumResultsEv(ptr noundef nonnull align 8 dereferenceable(48) %9)
  %12 = load ptr, ptr %10, align 8, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %12, i64 40
  %14 = load ptr, ptr %13, align 8
  %15 = call noundef double %14(ptr noundef nonnull align 8 dereferenceable(64) %10)
  %16 = call double @llvm.fmuladd.f64(double %15, double %11, double %.07)
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %18 = call ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  store ptr %18, ptr %3, align 8
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_EE5beginEv(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_cxxneIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIPN5DSENT6Result9SubResultESaIS3_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(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKPN5DSENT6Result9SubResultESt6vectorIS4_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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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