; LLVM IR from keroro824/HashingDeepLearning :: SLIDE/srp.ll (ZN22SparseRandomProjectionD2Ev)

; 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.SparseRandomProjection = type { i64, i64, i64, ptr, ptr }

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

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN22SparseRandomProjectionD2Ev(ptr noundef nonnull align 8 dereferenceable(40) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %5

5:                                                ; preds = %28, %1
  %6 = load i64, ptr %3, align 8, !tbaa !9
  %7 = getelementptr inbounds %class.SparseRandomProjection, ptr %4, i32 0, i32 1
  %8 = load i64, ptr %7, align 8, !tbaa !11
  %9 = icmp ult i64 %6, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %31

11:                                               ; preds = %5
  %12 = getelementptr inbounds %class.SparseRandomProjection, ptr %4, i32 0, i32 3
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = load i64, ptr %3, align 8, !tbaa !9
  %15 = getelementptr inbounds ptr, ptr %13, i64 %14
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %19, label %18

18:                                               ; preds = %11
  call void @_ZdaPv(ptr noundef %16) #4
  br label %19

19:                                               ; preds = %18, %11
  %20 = getelementptr inbounds %class.SparseRandomProjection, ptr %4, i32 0, i32 4
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  %22 = load i64, ptr %3, align 8, !tbaa !9
  %23 = getelementptr inbounds ptr, ptr %21, i64 %22
  %24 = load ptr, ptr %23, align 8, !tbaa !5
  %25 = icmp eq ptr %24, null
  br i1 %25, label %27, label %26

26:                                               ; preds = %19
  call void @_ZdaPv(ptr noundef %24) #4
  br label %27

27:                                               ; preds = %26, %19
  br label %28

28:                                               ; preds = %27
  %29 = load i64, ptr %3, align 8, !tbaa !9
  %30 = add i64 %29, 1
  store i64 %30, ptr %3, align 8, !tbaa !9
  br label %5, !llvm.loop !15

31:                                               ; preds = %10
  %32 = getelementptr inbounds %class.SparseRandomProjection, ptr %4, i32 0, i32 3
  %33 = load ptr, ptr %32, align 8, !tbaa !13
  %34 = icmp eq ptr %33, null
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  call void @_ZdaPv(ptr noundef %33) #4
  br label %36

36:                                               ; preds = %35, %31
  %37 = getelementptr inbounds %class.SparseRandomProjection, ptr %4, i32 0, i32 4
  %38 = load ptr, ptr %37, align 8, !tbaa !14
  %39 = icmp eq ptr %38, null
  br i1 %39, label %41, label %40

40:                                               ; preds = %36
  call void @_ZdaPv(ptr noundef %38) #4
  br label %41

41:                                               ; preds = %40, %36
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nobuiltin 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 #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 }
attributes #4 = { builtin 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, !10, i64 8}
!12 = !{!"_ZTS22SparseRandomProjection", !10, i64 0, !10, i64 8, !10, i64 16, !6, i64 24, !6, i64 32}
!13 = !{!12, !6, i64 24}
!14 = !{!12, !6, i64 32}
!15 = distinct !{!15, !16}
!16 = !{!"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"

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN22SparseRandomProjectionD2Ev(ptr nocapture noundef nonnull readonly align 8 dereferenceable(40) %0) unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i64 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  br label %9

._crit_edge:                                      ; preds = %21, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %8 = icmp eq ptr %7, null
  br i1 %8, label %26, label %25

9:                                                ; preds = %.lr.ph, %21
  %.08 = phi i64 [ 0, %.lr.ph ], [ %22, %21 ]
  %10 = load ptr, ptr %4, align 8, !tbaa !11
  %11 = getelementptr inbounds ptr, ptr %10, i64 %.08
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  %13 = icmp eq ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  tail call void @_ZdaPv(ptr noundef nonnull %12) #2
  br label %15

15:                                               ; preds = %14, %9
  %16 = load ptr, ptr %5, align 8, !tbaa !13
  %17 = getelementptr inbounds ptr, ptr %16, i64 %.08
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = icmp eq ptr %18, null
  br i1 %19, label %21, label %20

20:                                               ; preds = %15
  tail call void @_ZdaPv(ptr noundef nonnull %18) #2
  br label %21

21:                                               ; preds = %15, %20
  %22 = add nuw i64 %.08, 1
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp ult i64 %22, %23
  br i1 %24, label %9, label %._crit_edge, !llvm.loop !14

25:                                               ; preds = %._crit_edge
  tail call void @_ZdaPv(ptr noundef nonnull %7) #2
  br label %26

26:                                               ; preds = %25, %._crit_edge
  %27 = getelementptr inbounds i8, ptr %0, i64 32
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = icmp eq ptr %28, null
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  tail call void @_ZdaPv(ptr noundef nonnull %28) #2
  br label %31

31:                                               ; preds = %30, %26
  ret void
}

attributes #0 = { nobuiltin 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 = { builtin 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 8}
!6 = !{!"_ZTS22SparseRandomProjection", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !10, i64 32}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 24}
!12 = !{!10, !10, i64 0}
!13 = !{!6, !10, i64 32}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass