; LLVM IR from buresjan/optim_lbm :: nomad/src/Math/Double.ll (ZN9NOMAD_4_36DoublemIERKS0_)

; 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.NOMAD_4_3::Double" = type <{ ptr, double, i8, [7 x i8] }>

@_ZTIN9NOMAD_4_36Double10NotDefinedE = external dso_local constant { ptr, ptr, ptr }, align 8
@.str.23 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.27 = external hidden unnamed_addr constant [46 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare ptr @__cxa_allocate_exception(i64)

declare void @__cxa_throw(ptr, ptr, ptr)

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZN9NOMAD_4_36DoublemIERKS0_(ptr noundef nonnull align 8 dereferenceable(17) %0, ptr noundef nonnull align 8 dereferenceable(17) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8
  %13 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %12, i32 0, i32 2
  %14 = load i8, ptr %13, align 8, !tbaa !9, !range !13, !noundef !14
  %15 = trunc i8 %14 to i1
  br i1 %15, label %16, label %21

16:                                               ; preds = %2
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %17, i32 0, i32 2
  %19 = load i8, ptr %18, align 8, !tbaa !9, !range !13, !noundef !14
  %20 = trunc i8 %19 to i1
  br i1 %20, label %43, label %21

21:                                               ; preds = %16, %2
  store i1 true, ptr %11, align 1
  %22 = call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef @.str.23, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %23 unwind label %26

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef @.str.27, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %24 unwind label %30

24:                                               ; preds = %23
  invoke void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112) %22, ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef 381, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %25 unwind label %34

25:                                               ; preds = %24
  store i1 false, ptr %11, align 1
  invoke void @__cxa_throw(ptr %22, ptr @_ZTIN9NOMAD_4_36Double10NotDefinedE, ptr @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %55 unwind label %34

26:                                               ; preds = %21
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %7, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %8, align 4
  br label %39

30:                                               ; preds = %23
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %7, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %8, align 4
  br label %38

34:                                               ; preds = %25, %24
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #3
  br label %38

38:                                               ; preds = %34, %30
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %39

39:                                               ; preds = %38, %26
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #3
  %40 = load i1, ptr %11, align 1
  br i1 %40, label %41, label %42

41:                                               ; preds = %39
  call void @__cxa_free_exception(ptr %22) #3
  br label %42

42:                                               ; preds = %41, %39
  br label %50

43:                                               ; preds = %16
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %44, i32 0, i32 1
  %46 = load double, ptr %45, align 8, !tbaa !15
  %47 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %12, i32 0, i32 1
  %48 = load double, ptr %47, align 8, !tbaa !15
  %49 = fsub double %48, %46
  store double %49, ptr %47, align 8, !tbaa !15
  ret ptr %12

50:                                               ; preds = %42
  %51 = load ptr, ptr %7, align 8
  %52 = load i32, ptr %8, align 4
  %53 = insertvalue { ptr, i32 } poison, ptr %51, 0
  %54 = insertvalue { ptr, i32 } %53, i32 %52, 1
  resume { ptr, i32 } %54

55:                                               ; preds = %25
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 = { nounwind }
attributes #4 = { noreturn }

!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, !12, i64 16}
!10 = !{!"_ZTSN9NOMAD_4_36DoubleE", !11, i64 8, !12, i64 16}
!11 = !{!"double", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!10, !11, i64 8}


; 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 }

@_ZTIN9NOMAD_4_36Double10NotDefinedE = external dso_local constant { ptr, ptr, ptr }, align 8
@.str.23 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.27 = external hidden unnamed_addr constant [46 x i8], align 1

; 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 nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9NOMAD_4_39ExceptionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZN9NOMAD_4_36DoublemIERKS0_(ptr noundef nonnull returned align 8 dereferenceable(17) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(17) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i8, ptr %7, align 8, !tbaa !5, !range !11, !noundef !12
  %9 = trunc nuw i8 %8 to i1
  br i1 %9, label %10, label %14

10:                                               ; preds = %2
  %11 = getelementptr inbounds i8, ptr %1, i64 16
  %12 = load i8, ptr %11, align 8, !tbaa !5, !range !11, !noundef !12
  %13 = trunc nuw i8 %12 to i1
  br i1 %13, label %26, label %14

14:                                               ; preds = %10, %2
  %15 = tail call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %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 nonnull @.str.23, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %16 unwind label %.thread

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull @.str.27, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %17 unwind label %20

17:                                               ; preds = %16
  invoke void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112) %15, ptr noundef nonnull align 8 dereferenceable(32) %3, i32 noundef 381, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %18 unwind label %22

18:                                               ; preds = %17
  invoke void @__cxa_throw(ptr nonnull %15, ptr nonnull @_ZTIN9NOMAD_4_36Double10NotDefinedE, ptr nonnull @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %33 unwind label %22

.thread:                                          ; preds = %14
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br label %25

20:                                               ; preds = %16
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %24

22:                                               ; preds = %18, %17
  %.0 = phi i1 [ false, %18 ], [ true, %17 ]
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %24

24:                                               ; preds = %20, %22
  %.pn = phi { ptr, i32 } [ %23, %22 ], [ %21, %20 ]
  %.1 = phi i1 [ %.0, %22 ], [ true, %20 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  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 nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  br i1 %.1, label %25, label %32

25:                                               ; preds = %.thread, %24
  %.pn.pn14 = phi { ptr, i32 } [ %19, %.thread ], [ %.pn, %24 ]
  call void @__cxa_free_exception(ptr %15) #3
  br label %32

26:                                               ; preds = %10
  %27 = getelementptr inbounds i8, ptr %1, i64 8
  %28 = load double, ptr %27, align 8, !tbaa !13
  %29 = getelementptr inbounds i8, ptr %0, i64 8
  %30 = load double, ptr %29, align 8, !tbaa !13
  %31 = fsub double %30, %28
  store double %31, ptr %29, align 8, !tbaa !13
  ret ptr %0

32:                                               ; preds = %24, %25
  %.pn.pn13 = phi { ptr, i32 } [ %.pn, %24 ], [ %.pn.pn14, %25 ]
  resume { ptr, i32 } %.pn.pn13

33:                                               ; preds = %18
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { nounwind }
attributes #4 = { noreturn }

!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, !10, i64 16}
!6 = !{!"_ZTSN9NOMAD_4_36DoubleE", !7, i64 8, !10, i64 16}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!6, !7, i64 8}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass