; LLVM IR from mitdbg/deneva :: transport/message.ll (ZN7Message15create_messagesEPc)

; 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.Message = type { ptr, i32, i64, i64, i64, i64, i64, i64, double, double, double, double, double, double, double }

@g_node_id = external global i32, align 4
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [69 x i8], align 1
@__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc = external hidden unnamed_addr constant [64 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@g_node_cnt = external global i32, align 4
@g_client_node_cnt = external global i32, align 4
@g_repl_cnt = external global i32, align 4
@.str.3 = external hidden unnamed_addr constant [70 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7Message15create_messagesEPc(ptr noundef %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %10 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #7
  call void @_ZNSt6vectorIP7MessageSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  store ptr %10, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %11, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load i64, ptr %5, align 8, !tbaa !9
  %14 = getelementptr inbounds i8, ptr %12, i64 %13
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 1 %14, i64 4, i1 false)
  %15 = load i64, ptr %5, align 8, !tbaa !9
  %16 = add i64 %15, 4
  store i64 %16, ptr %5, align 8, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load i64, ptr %5, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %17, i64 %18
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 1 %19, i64 4, i1 false)
  %20 = load i64, ptr %5, align 8, !tbaa !9
  %21 = add i64 %20, 4
  store i64 %21, ptr %5, align 8, !tbaa !9
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %22, i64 %23
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 1 %24, i64 4, i1 false)
  %25 = load i64, ptr %5, align 8, !tbaa !9
  %26 = add i64 %25, 4
  store i64 %26, ptr %5, align 8, !tbaa !9
  %27 = load i32, ptr %6, align 4, !tbaa !11
  %28 = load i32, ptr @g_node_id, align 4, !tbaa !11
  %29 = icmp eq i32 %27, %28
  br i1 %29, label %30, label %31

30:                                               ; preds = %1
  br label %33

31:                                               ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 39, ptr noundef @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #8
  unreachable

32:                                               ; No predecessors!
  br label %33

33:                                               ; preds = %32, %30
  %34 = load i32, ptr %7, align 4, !tbaa !11
  %35 = load i32, ptr @g_node_id, align 4, !tbaa !11
  %36 = icmp ne i32 %34, %35
  br i1 %36, label %37, label %38

37:                                               ; preds = %33
  br label %40

38:                                               ; preds = %33
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 40, ptr noundef @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #8
  unreachable

39:                                               ; No predecessors!
  br label %40

40:                                               ; preds = %39, %37
  %41 = load i32, ptr %7, align 4, !tbaa !11
  %42 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %43 = icmp uge i32 %41, %42
  br i1 %43, label %44, label %50

44:                                               ; preds = %40
  %45 = load i32, ptr %7, align 4, !tbaa !11
  %46 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %47 = load i32, ptr @g_client_node_cnt, align 4, !tbaa !11
  %48 = add i32 %46, %47
  %49 = icmp ult i32 %45, %48
  br i1 %49, label %72, label %50

50:                                               ; preds = %44, %40
  %51 = load i32, ptr %7, align 4, !tbaa !11
  %52 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %53 = icmp ult i32 %51, %52
  br i1 %53, label %72, label %54

54:                                               ; preds = %50
  %55 = load i32, ptr %7, align 4, !tbaa !11
  %56 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %57 = load i32, ptr @g_client_node_cnt, align 4, !tbaa !11
  %58 = add i32 %56, %57
  %59 = icmp uge i32 %55, %58
  br i1 %59, label %60, label %70

60:                                               ; preds = %54
  %61 = load i32, ptr %7, align 4, !tbaa !11
  %62 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %63 = load i32, ptr @g_client_node_cnt, align 4, !tbaa !11
  %64 = add i32 %62, %63
  %65 = load i32, ptr @g_repl_cnt, align 4, !tbaa !11
  %66 = load i32, ptr @g_node_cnt, align 4, !tbaa !11
  %67 = mul i32 %65, %66
  %68 = add i32 %64, %67
  %69 = icmp ult i32 %61, %68
  br label %70

70:                                               ; preds = %60, %54
  %71 = phi i1 [ false, %54 ], [ %69, %60 ]
  br label %72

72:                                               ; preds = %70, %50, %44
  %73 = phi i1 [ true, %50 ], [ true, %44 ], [ %71, %70 ]
  br i1 %73, label %74, label %75

74:                                               ; preds = %72
  br label %77

75:                                               ; preds = %72
  call void @__assert_fail(ptr noundef @.str.3, ptr noundef @.str.1, i32 noundef 41, ptr noundef @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #8
  unreachable

76:                                               ; No predecessors!
  br label %77

77:                                               ; preds = %76, %74
  br label %78

78:                                               ; preds = %81, %77
  %79 = load i32, ptr %8, align 4, !tbaa !11
  %80 = icmp ugt i32 %79, 0
  br i1 %80, label %81, label %100

81:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %82 = load ptr, ptr %4, align 8, !tbaa !5
  %83 = load i64, ptr %5, align 8, !tbaa !9
  %84 = getelementptr inbounds i8, ptr %82, i64 %83
  %85 = call noundef ptr @_ZN7Message14create_messageEPc(ptr noundef %84)
  store ptr %85, ptr %9, align 8, !tbaa !5
  %86 = load i32, ptr %7, align 4, !tbaa !11
  %87 = zext i32 %86 to i64
  %88 = load ptr, ptr %9, align 8, !tbaa !5
  %89 = getelementptr inbounds %class.Message, ptr %88, i32 0, i32 4
  store i64 %87, ptr %89, align 8, !tbaa !13
  %90 = load ptr, ptr %9, align 8, !tbaa !5
  %91 = load ptr, ptr %90, align 8, !tbaa !17
  %92 = getelementptr inbounds ptr, ptr %91, i64 2
  %93 = load ptr, ptr %92, align 8
  %94 = call noundef i64 %93(ptr noundef nonnull align 8 dereferenceable(120) %90)
  %95 = load i64, ptr %5, align 8, !tbaa !9
  %96 = add i64 %95, %94
  store i64 %96, ptr %5, align 8, !tbaa !9
  %97 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZNSt6vectorIP7MessageSaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %97, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %98 = load i32, ptr %8, align 4, !tbaa !11
  %99 = add i32 %98, -1
  store i32 %99, ptr %8, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %78, !llvm.loop !19

100:                                              ; preds = %78
  %101 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret ptr %101
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP7MessageSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN7Message14create_messageEPc(ptr noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIP7MessageSaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

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

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 = { nobuiltin allocsize(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 = { 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 nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { noreturn nounwind "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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { noreturn 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 32}
!14 = !{!"_ZTS7Message", !15, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !16, i64 64, !16, i64 72, !16, i64 80, !16, i64 88, !16, i64 96, !16, i64 104, !16, i64 112}
!15 = !{!"_ZTS10RemReqType", !7, i64 0}
!16 = !{!"double", !7, i64 0}
!17 = !{!18, !18, i64 0}
!18 = !{!"vtable pointer", !8, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"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"

@g_node_id = external local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [69 x i8], align 1
@__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc = external hidden unnamed_addr constant [64 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@g_node_cnt = external local_unnamed_addr global i32, align 4
@g_client_node_cnt = external local_unnamed_addr global i32, align 4
@g_repl_cnt = external local_unnamed_addr global i32, align 4
@.str.3 = external hidden unnamed_addr constant [70 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7Message15create_messagesEPc(ptr noundef %0) local_unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = tail call noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #5
  tail call void @_ZNSt6vectorIP7MessageSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %.0.copyload12 = load i32, ptr %0, align 1
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  %.0.copyload4 = load i32, ptr %4, align 1
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %.0.copyload = load i32, ptr %5, align 1
  %6 = load i32, ptr @g_node_id, align 4, !tbaa !5
  %7 = icmp eq i32 %.0.copyload12, %6
  br i1 %7, label %9, label %8

8:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 39, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #7
  unreachable

9:                                                ; preds = %1
  %.not = icmp eq i32 %.0.copyload4, %.0.copyload12
  br i1 %.not, label %10, label %11

10:                                               ; preds = %9
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 40, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #7
  unreachable

11:                                               ; preds = %9
  %12 = load i32, ptr @g_node_cnt, align 4, !tbaa !5
  %.not33 = icmp ult i32 %.0.copyload4, %12
  br i1 %.not33, label %.critedge, label %13

13:                                               ; preds = %11
  %14 = load i32, ptr @g_client_node_cnt, align 4, !tbaa !5
  %15 = add i32 %14, %12
  %16 = icmp ult i32 %.0.copyload4, %15
  br i1 %16, label %.critedge, label %17

17:                                               ; preds = %13
  %18 = load i32, ptr @g_repl_cnt, align 4, !tbaa !5
  %19 = mul i32 %18, %12
  %20 = add i32 %19, %15
  %21 = icmp ult i32 %.0.copyload4, %20
  br i1 %21, label %.critedge, label %.critedge2

.critedge2:                                       ; preds = %17
  tail call void @__assert_fail(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, i32 noundef 41, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN7Message15create_messagesEPc) #7
  unreachable

.critedge:                                        ; preds = %11, %13, %17
  %.not3536 = icmp eq i32 %.0.copyload, 0
  br i1 %.not3536, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.critedge
  %22 = zext i32 %.0.copyload4 to i64
  br label %23

23:                                               ; preds = %.lr.ph, %23
  %.038 = phi i32 [ %.0.copyload, %.lr.ph ], [ %32, %23 ]
  %.02837 = phi i64 [ 12, %.lr.ph ], [ %31, %23 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %24 = getelementptr inbounds i8, ptr %0, i64 %.02837
  %25 = call noundef ptr @_ZN7Message14create_messageEPc(ptr noundef nonnull %24)
  store ptr %25, ptr %2, align 8, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %25, i64 32
  store i64 %22, ptr %26, align 8, !tbaa !11
  %27 = load ptr, ptr %25, align 8, !tbaa !16
  %28 = getelementptr inbounds i8, ptr %27, i64 16
  %29 = load ptr, ptr %28, align 8
  %30 = call noundef i64 %29(ptr noundef nonnull align 8 dereferenceable(120) %25)
  %31 = add i64 %30, %.02837
  call void @_ZNSt6vectorIP7MessageSaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %32 = add i32 %.038, -1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %.not35 = icmp eq i32 %32, 0
  br i1 %.not35, label %._crit_edge, label %23, !llvm.loop !18

._crit_edge:                                      ; preds = %23, %.critedge
  ret ptr %3
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP7MessageSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN7Message14create_messageEPc(ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIP7MessageSaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

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

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 = { nobuiltin allocsize(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 = { 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 = { noreturn nounwind "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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { noreturn 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !14, i64 32}
!12 = !{!"_ZTS7Message", !13, i64 8, !14, i64 16, !14, i64 24, !14, i64 32, !14, i64 40, !14, i64 48, !14, i64 56, !15, i64 64, !15, i64 72, !15, i64 80, !15, i64 88, !15, i64 96, !15, i64 104, !15, i64 112}
!13 = !{!"_ZTS10RemReqType", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"vtable pointer", !8, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass