; LLVM IR from roliveira/nilt :: module/benchmark.ll (ZN17StehfestAlgorithm8EvaluateEdPFddE)

; 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 }
%class.StehfestAlgorithm = type { %class.InverseLaplaceAlgorithm, double, i32, %"class.std::vector" }
%class.InverseLaplaceAlgorithm = type { ptr, %"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<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_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 uwtable
define dso_local noundef double @_ZN17StehfestAlgorithm8EvaluateEdPFddE(ptr noundef nonnull align 8 dereferenceable(80) %0, double noundef %1, ptr noundef %2) unnamed_addr #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca ptr, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca double, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store double %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %15 = getelementptr inbounds %class.StehfestAlgorithm, ptr %14, i32 0, i32 1
  %16 = load double, ptr %15, align 8, !tbaa !11
  %17 = load double, ptr %5, align 8, !tbaa !9
  %18 = fdiv double %16, %17
  store double %18, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store double 0.000000e+00, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store double 0.000000e+00, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %19 = getelementptr inbounds %class.StehfestAlgorithm, ptr %14, i32 0, i32 3
  store ptr %19, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %20 = load ptr, ptr %10, align 8, !tbaa !5
  %21 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #5
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  %24 = call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #5
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  br label %26

26:                                               ; preds = %41, %3
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPdSt6vectorIdSaIdEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  br i1 %27, label %29, label %28

28:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %43

29:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %31 = load double, ptr %30, align 8, !tbaa !9
  store double %31, ptr %13, align 8, !tbaa !9
  %32 = load double, ptr %7, align 8, !tbaa !9
  %33 = load double, ptr %8, align 8, !tbaa !9
  %34 = fadd double %33, %32
  store double %34, ptr %8, align 8, !tbaa !9
  %35 = load double, ptr %13, align 8, !tbaa !9
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = load double, ptr %8, align 8, !tbaa !9
  %38 = call noundef double %36(double noundef %37)
  %39 = load double, ptr %9, align 8, !tbaa !9
  %40 = call double @llvm.fmuladd.f64(double %35, double %38, double %39)
  store double %40, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %41

41:                                               ; preds = %29
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  br label %26

43:                                               ; preds = %28
  %44 = load double, ptr %7, align 8, !tbaa !9
  %45 = load double, ptr %9, align 8, !tbaa !9
  %46 = fmul double %44, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret double %46
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPdSt6vectorIdSaIdEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 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_iteratorIPdSt6vectorIdSaIdEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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, !10, i64 40}
!12 = !{!"_ZTS17StehfestAlgorithm", !13, i64 0, !10, i64 40, !17, i64 48, !18, i64 56}
!13 = !{!"_ZTS23InverseLaplaceAlgorithm", !14, i64 8}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !16, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"int", !7, i64 0}
!18 = !{!"_ZTSSt6vectorIdSaIdEE", !19, i64 0}
!19 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}


; 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 uwtable
define dso_local noundef double @_ZN17StehfestAlgorithm8EvaluateEdPFddE(ptr noundef nonnull align 8 dereferenceable(80) %0, double noundef %1, ptr nocapture noundef readonly %2) unnamed_addr #1 align 2 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  %7 = load double, ptr %6, align 8, !tbaa !5
  %8 = fdiv double %7, %1
  %9 = getelementptr inbounds i8, ptr %0, i64 56
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %10 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %11 = tail call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPdSt6vectorIdSaIdEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.012.lcssa = phi double [ 0.000000e+00, %3 ], [ %18, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %13 = fmul double %8, %.012.lcssa
  ret double %13

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.014 = phi double [ %16, %.lr.ph ], [ 0.000000e+00, %3 ]
  %.01213 = phi double [ %18, %.lr.ph ], [ 0.000000e+00, %3 ]
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %15 = load double, ptr %14, align 8, !tbaa !20
  %16 = fadd double %8, %.014
  %17 = call noundef double %2(double noundef %16)
  %18 = call double @llvm.fmuladd.f64(double %15, double %17, double %.01213)
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPdSt6vectorIdSaIdEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %20, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPdSt6vectorIdSaIdEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 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_iteratorIPdSt6vectorIdSaIdEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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, !14, i64 40}
!6 = !{!"_ZTS17StehfestAlgorithm", !7, i64 0, !14, i64 40, !15, i64 48, !16, i64 56}
!7 = !{!"_ZTS23InverseLaplaceAlgorithm", !8, i64 8}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !9, i64 0, !13, i64 8, !11, i64 16}
!9 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !10, i64 0}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !12, i64 0}
!12 = !{!"Simple C++ TBAA"}
!13 = !{!"long", !11, i64 0}
!14 = !{!"double", !11, i64 0}
!15 = !{!"int", !11, i64 0}
!16 = !{!"_ZTSSt6vectorIdSaIdEE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !10, i64 0, !10, i64 8, !10, i64 16}
!20 = !{!14, !14, i64 0}


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