; LLVM IR from dynexcoin/Dynex :: src/Platform/Linux/System/Timer.ll (ZN6System5TimeraSEOS0_)

; 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.System::Timer" = type <{ ptr, ptr, i32, [4 x i8] }>

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [44 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_ = external hidden unnamed_addr constant [42 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZN6System5TimeraSEOS0_(ptr noundef nonnull align 8 dereferenceable(20) %0, ptr noundef nonnull align 8 dereferenceable(20) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %"class.System::Timer", ptr %5, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = icmp eq ptr %7, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %2
  %10 = getelementptr inbounds %"class.System::Timer", ptr %5, i32 0, i32 1
  %11 = load ptr, ptr %10, align 8, !tbaa !12
  %12 = icmp eq ptr %11, null
  br label %13

13:                                               ; preds = %9, %2
  %14 = phi i1 [ true, %2 ], [ %12, %9 ]
  br i1 %14, label %15, label %16

15:                                               ; preds = %13
  br label %18

16:                                               ; preds = %13
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 53, ptr noundef @__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_) #2
  unreachable

17:                                               ; No predecessors!
  br label %18

18:                                               ; preds = %17, %15
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.System::Timer", ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = getelementptr inbounds %"class.System::Timer", ptr %5, i32 0, i32 0
  store ptr %21, ptr %22, align 8, !tbaa !9
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %"class.System::Timer", ptr %23, i32 0, i32 0
  %25 = load ptr, ptr %24, align 8, !tbaa !9
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %45

27:                                               ; preds = %18
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.System::Timer", ptr %28, i32 0, i32 1
  %30 = load ptr, ptr %29, align 8, !tbaa !12
  %31 = icmp eq ptr %30, null
  br i1 %31, label %32, label %33

32:                                               ; preds = %27
  br label %35

33:                                               ; preds = %27
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 56, ptr noundef @__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_) #2
  unreachable

34:                                               ; No predecessors!
  br label %35

35:                                               ; preds = %34, %32
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %"class.System::Timer", ptr %36, i32 0, i32 2
  %38 = load i32, ptr %37, align 8, !tbaa !13
  %39 = getelementptr inbounds %"class.System::Timer", ptr %5, i32 0, i32 2
  store i32 %38, ptr %39, align 8, !tbaa !13
  %40 = getelementptr inbounds %"class.System::Timer", ptr %5, i32 0, i32 1
  store ptr null, ptr %40, align 8, !tbaa !12
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  %42 = getelementptr inbounds %"class.System::Timer", ptr %41, i32 0, i32 0
  store ptr null, ptr %42, align 8, !tbaa !9
  %43 = load ptr, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds %"class.System::Timer", ptr %43, i32 0, i32 2
  store i32 -1, ptr %44, align 8, !tbaa !13
  br label %45

45:                                               ; preds = %35, %18
  ret ptr %5
}

attributes #0 = { 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 #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 = { 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, !6, i64 0}
!10 = !{!"_ZTSN6System5TimerE", !6, i64 0, !6, i64 8, !11, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !11, 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"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [44 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_ = external hidden unnamed_addr constant [42 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZN6System5TimeraSEOS0_(ptr noundef nonnull returned align 8 dereferenceable(20) %0, ptr nocapture noundef nonnull align 8 dereferenceable(20) %1) local_unnamed_addr #1 align 2 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8
  %7 = icmp eq ptr %6, null
  %or.cond = select i1 %4, i1 true, i1 %7
  br i1 %or.cond, label %.critedge, label %8

8:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 53, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_) #2
  unreachable

.critedge:                                        ; preds = %2
  %9 = load ptr, ptr %1, align 8, !tbaa !5
  store ptr %9, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %19, label %10

10:                                               ; preds = %.critedge
  %11 = getelementptr inbounds i8, ptr %1, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = icmp eq ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 56, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN6System5TimeraSEOS0_) #2
  unreachable

15:                                               ; preds = %10
  %16 = getelementptr inbounds i8, ptr %1, i64 16
  %17 = load i32, ptr %16, align 8, !tbaa !12
  %18 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 %17, ptr %18, align 8, !tbaa !12
  store ptr null, ptr %5, align 8, !tbaa !11
  store ptr null, ptr %1, align 8, !tbaa !5
  store i32 -1, ptr %16, align 8, !tbaa !12
  br label %19

19:                                               ; preds = %15, %.critedge
  ret ptr %0
}

attributes #0 = { 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 #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 = { 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, !7, i64 0}
!6 = !{!"_ZTSN6System5TimerE", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}
!12 = !{!6, !10, i64 16}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass