; LLVM IR from roliveira/nilt :: module/benchmark.ll (ZN15DeHoogAlgorithmC2Ev)

; 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] }
%"class.std::allocator" = type { i8 }
%class.DeHoogAlgorithm = type { %class.InverseLaplaceAlgorithm, i32, i32, double, double }
%class.InverseLaplaceAlgorithm = type { ptr, %"class.std::__cxx11::basic_string" }

@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@_ZTV15DeHoogAlgorithm = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN23InverseLaplaceAlgorithmC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) unnamed_addr #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: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15DeHoogAlgorithmC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %8 unwind label %14

8:                                                ; preds = %1
  invoke void @_ZN23InverseLaplaceAlgorithmC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef %3)
          to label %9 unwind label %18

9:                                                ; preds = %8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #3
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTV15DeHoogAlgorithm, i32 0, i32 0, i32 2), ptr %7, align 8, !tbaa !9
  %10 = getelementptr inbounds %class.DeHoogAlgorithm, ptr %7, i32 0, i32 1
  store i32 60, ptr %10, align 8, !tbaa !11
  %11 = getelementptr inbounds %class.DeHoogAlgorithm, ptr %7, i32 0, i32 2
  store i32 40, ptr %11, align 4, !tbaa !19
  %12 = getelementptr inbounds %class.DeHoogAlgorithm, ptr %7, i32 0, i32 3
  store double 4.000000e+00, ptr %12, align 8, !tbaa !20
  %13 = getelementptr inbounds %class.DeHoogAlgorithm, ptr %7, i32 0, i32 4
  store double 0x3C9CD2B297D889BC, ptr %13, align 8, !tbaa !21
  ret void

14:                                               ; preds = %1
  %15 = landingpad { ptr, i32 }
          cleanup
  %16 = extractvalue { ptr, i32 } %15, 0
  store ptr %16, ptr %5, align 8
  %17 = extractvalue { ptr, i32 } %15, 1
  store i32 %17, ptr %6, align 4
  br label %22

18:                                               ; preds = %8
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %5, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  br label %22

22:                                               ; preds = %18, %14
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #3
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr %5, align 8
  %25 = load i32, ptr %6, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 = !{!12, !17, i64 40}
!12 = !{!"_ZTS15DeHoogAlgorithm", !13, i64 0, !17, i64 40, !17, i64 44, !18, 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 = !{!"double", !7, i64 0}
!19 = !{!12, !17, i64 44}
!20 = !{!12, !18, i64 48}
!21 = !{!12, !18, i64 56}


; 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] }
%"class.std::allocator" = type { i8 }

@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@_ZTV15DeHoogAlgorithm = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN23InverseLaplaceAlgorithmC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) 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 nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15DeHoogAlgorithmC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %4 unwind label %9

4:                                                ; preds = %1
  invoke void @_ZN23InverseLaplaceAlgorithmC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull %2)
          to label %5 unwind label %11

5:                                                ; preds = %4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTV15DeHoogAlgorithm, i64 16), ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  store i32 60, ptr %6, align 8, !tbaa !8
  %7 = getelementptr inbounds i8, ptr %0, i64 44
  store i32 40, ptr %7, align 4, !tbaa !18
  %8 = getelementptr inbounds i8, ptr %0, i64 48
  store <2 x double> <double 4.000000e+00, double 0x3C9CD2B297D889BC>, ptr %8, align 8, !tbaa !19
  ret void

9:                                                ; preds = %1
  %10 = landingpad { ptr, i32 }
          cleanup
  br label %13

11:                                               ; preds = %4
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  br label %13

13:                                               ; preds = %11, %9
  %.pn = phi { ptr, i32 } [ %12, %11 ], [ %10, %9 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !16, i64 40}
!9 = !{!"_ZTS15DeHoogAlgorithm", !10, i64 0, !16, i64 40, !16, i64 44, !17, i64 48, !17, i64 56}
!10 = !{!"_ZTS23InverseLaplaceAlgorithm", !11, i64 8}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !15, i64 8, !14, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !13, i64 0}
!13 = !{!"any pointer", !14, i64 0}
!14 = !{!"omnipotent char", !7, i64 0}
!15 = !{!"long", !14, i64 0}
!16 = !{!"int", !14, i64 0}
!17 = !{!"double", !14, i64 0}
!18 = !{!9, !16, i64 44}
!19 = !{!17, !17, i64 0}


; Effective O3 passes: InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass