; LLVM IR from buresjan/optim_lbm :: nomad/src/Math/Double.ll (ZN9NOMAD_4_36DoublemmEi)

; 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.NOMAD_4_3::Double" = type <{ ptr, double, i8, [7 x i8] }>
%"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.34 = external hidden unnamed_addr constant [34 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 void @_ZN9NOMAD_4_36DoublemmEi(ptr dead_on_unwind noalias writable sret(%"class.NOMAD_4_3::Double") align 8 %0, ptr noundef nonnull align 8 dereferenceable(17) %1, i32 noundef %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i1, align 1
  %14 = alloca i1, align 1
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %15 = load ptr, ptr %5, align 8
  %16 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %15, i32 0, i32 2
  %17 = load i8, ptr %16, align 8, !tbaa !11, !range !15, !noundef !16
  %18 = trunc i8 %17 to i1
  br i1 %18, label %41, label %19

19:                                               ; preds = %3
  store i1 true, ptr %13, align 1
  %20 = call ptr @__cxa_allocate_exception(i64 112) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str.23, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %21 unwind label %24

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef @.str.34, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %22 unwind label %28

22:                                               ; preds = %21
  invoke void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112) %20, ptr noundef nonnull align 8 dereferenceable(32) %7, i32 noundef 456, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %23 unwind label %32

23:                                               ; preds = %22
  store i1 false, ptr %13, align 1
  invoke void @__cxa_throw(ptr %20, ptr @_ZTIN9NOMAD_4_36Double10NotDefinedE, ptr @_ZN9NOMAD_4_39ExceptionD2Ev) #4
          to label %59 unwind label %32

24:                                               ; preds = %19
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %9, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %10, align 4
  br label %37

28:                                               ; preds = %21
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %9, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %10, align 4
  br label %36

32:                                               ; preds = %23, %22
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %9, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #3
  br label %36

36:                                               ; preds = %32, %28
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  br label %37

37:                                               ; preds = %36, %24
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #3
  %38 = load i1, ptr %13, align 1
  br i1 %38, label %39, label %40

39:                                               ; preds = %37
  call void @__cxa_free_exception(ptr %20) #3
  br label %40

40:                                               ; preds = %39, %37
  br label %54

41:                                               ; preds = %3
  store i1 false, ptr %14, align 1
  call void @_ZN9NOMAD_4_36DoubleC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(17) %0, ptr noundef nonnull align 8 dereferenceable(17) %15)
  %42 = load i32, ptr %6, align 4, !tbaa !9
  %43 = icmp sle i32 %42, 0
  br i1 %43, label %44, label %45

44:                                               ; preds = %41
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %45

45:                                               ; preds = %44, %41
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = sitofp i32 %46 to double
  %48 = getelementptr inbounds %"class.NOMAD_4_3::Double", ptr %15, i32 0, i32 1
  %49 = load double, ptr %48, align 8, !tbaa !17
  %50 = fsub double %49, %47
  store double %50, ptr %48, align 8, !tbaa !17
  store i1 true, ptr %14, align 1
  %51 = load i1, ptr %14, align 1
  br i1 %51, label %53, label %52

52:                                               ; preds = %45
  call void @_ZN9NOMAD_4_36DoubleD1Ev(ptr noundef nonnull align 8 dereferenceable(17) %0) #3
  br label %53

53:                                               ; preds = %52, %45
  ret void

54:                                               ; preds = %40
  %55 = load ptr, ptr %9, align 8
  %56 = load i32, ptr %10, align 4
  %57 = insertvalue { ptr, i32 } poison, ptr %55, 0
  %58 = insertvalue { ptr, i32 } %57, i32 %56, 1
  resume { ptr, i32 } %58

59:                                               ; preds = %23
  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

declare void @_ZN9NOMAD_4_36DoubleC1ERKS0_(ptr, ptr)

declare void @_ZN9NOMAD_4_36DoubleD1Ev(ptr)

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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !14, i64 16}
!12 = !{!"_ZTSN9NOMAD_4_36DoubleE", !13, i64 8, !14, i64 16}
!13 = !{!"double", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = !{!12, !13, 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.NOMAD_4_3::Double" = type <{ ptr, double, i8, [7 x i8] }>
%"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.34 = external hidden unnamed_addr constant [34 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 void @_ZN9NOMAD_4_36DoublemmEi(ptr dead_on_unwind noalias writable sret(%"class.NOMAD_4_3::Double") align 8 %0, ptr noundef nonnull align 8 dereferenceable(17) %1, i32 noundef %2) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = load i8, ptr %8, align 8, !tbaa !5, !range !11, !noundef !12
  %10 = trunc nuw i8 %9 to i1
  br i1 %10, label %23, label %11

11:                                               ; preds = %3
  %12 = tail call ptr @__cxa_allocate_exception(i64 112) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.23, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %.thread

13:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.34, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %17

14:                                               ; preds = %13
  invoke void @_ZN9NOMAD_4_36Double10NotDefinedC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS9_(ptr noundef nonnull align 8 dereferenceable(112) %12, ptr noundef nonnull align 8 dereferenceable(32) %4, i32 noundef 456, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %15 unwind label %19

15:                                               ; preds = %14
  invoke void @__cxa_throw(ptr nonnull %12, ptr nonnull @_ZTIN9NOMAD_4_36Double10NotDefinedE, ptr nonnull @_ZN9NOMAD_4_39ExceptionD2Ev) #5
          to label %29 unwind label %19

.thread:                                          ; preds = %11
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br label %22

17:                                               ; preds = %13
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %21

19:                                               ; preds = %15, %14
  %.0 = phi i1 [ false, %15 ], [ true, %14 ]
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %21

21:                                               ; preds = %17, %19
  %.pn = phi { ptr, i32 } [ %20, %19 ], [ %18, %17 ]
  %.1 = phi i1 [ %.0, %19 ], [ true, %17 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br i1 %.1, label %22, label %28

22:                                               ; preds = %.thread, %21
  %.pn.pn15 = phi { ptr, i32 } [ %16, %.thread ], [ %.pn, %21 ]
  call void @__cxa_free_exception(ptr %12) #4
  br label %28

23:                                               ; preds = %3
  tail call void @_ZN9NOMAD_4_36DoubleC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(17) %0, ptr noundef nonnull align 8 dereferenceable(17) %1)
  %spec.store.select = tail call i32 @llvm.smax.i32(i32 %2, i32 1)
  %24 = uitofp nneg i32 %spec.store.select to double
  %25 = getelementptr inbounds i8, ptr %1, i64 8
  %26 = load double, ptr %25, align 8, !tbaa !13
  %27 = fsub double %26, %24
  store double %27, ptr %25, align 8, !tbaa !13
  ret void

28:                                               ; preds = %21, %22
  %.pn.pn14 = phi { ptr, i32 } [ %.pn, %21 ], [ %.pn.pn15, %22 ]
  resume { ptr, i32 } %.pn.pn14

29:                                               ; preds = %15
  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

declare void @_ZN9NOMAD_4_36DoubleC1ERKS0_(ptr, ptr) local_unnamed_addr

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind }
attributes #5 = { 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,SROAPass,SimplifyCFGPass,TailCallElimPass