; LLVM IR from HRI-EU/Rcs :: src/RcsCore (Rcs_VecNd)

; 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"

; 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: nounwind uwtable
define dso_local void @VecNd_clipSelf(ptr noundef %0, double noundef %1, double noundef %2, i32 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store double %1, ptr %6, align 8, !tbaa !9
  store double %2, ptr %7, align 8, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  store i32 0, ptr %9, align 4, !tbaa !11
  br label %10

10:                                               ; preds = %44, %4
  %11 = load i32, ptr %9, align 4, !tbaa !11
  %12 = load i32, ptr %8, align 4, !tbaa !11
  %13 = icmp ult i32 %11, %12
  br i1 %13, label %14, label %47

14:                                               ; preds = %10
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load i32, ptr %9, align 4, !tbaa !11
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds double, ptr %15, i64 %17
  %19 = load double, ptr %18, align 8, !tbaa !9
  %20 = load double, ptr %6, align 8, !tbaa !9
  %21 = fcmp olt double %19, %20
  br i1 %21, label %22, label %28

22:                                               ; preds = %14
  %23 = load double, ptr %6, align 8, !tbaa !9
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load i32, ptr %9, align 4, !tbaa !11
  %26 = zext i32 %25 to i64
  %27 = getelementptr inbounds double, ptr %24, i64 %26
  store double %23, ptr %27, align 8, !tbaa !9
  br label %43

28:                                               ; preds = %14
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load i32, ptr %9, align 4, !tbaa !11
  %31 = zext i32 %30 to i64
  %32 = getelementptr inbounds double, ptr %29, i64 %31
  %33 = load double, ptr %32, align 8, !tbaa !9
  %34 = load double, ptr %7, align 8, !tbaa !9
  %35 = fcmp ogt double %33, %34
  br i1 %35, label %36, label %42

36:                                               ; preds = %28
  %37 = load double, ptr %7, align 8, !tbaa !9
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load i32, ptr %9, align 4, !tbaa !11
  %40 = zext i32 %39 to i64
  %41 = getelementptr inbounds double, ptr %38, i64 %40
  store double %37, ptr %41, align 8, !tbaa !9
  br label %42

42:                                               ; preds = %36, %28
  br label %43

43:                                               ; preds = %42, %22
  br label %44

44:                                               ; preds = %43
  %45 = load i32, ptr %9, align 4, !tbaa !11
  %46 = add i32 %45, 1
  store i32 %46, ptr %9, align 4, !tbaa !11
  br label %10, !llvm.loop !13

47:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @VecNd_clipSelf(ptr nocapture noundef %0, double noundef %1, double noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %wide.trip.count = zext i32 %3 to i64
  %xtraiter = and i64 %wide.trip.count, 1
  %5 = icmp eq i32 %3, 1
  br i1 %5, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 4294967294
  br label %.lr.ph

.lr.ph:                                           ; preds = %16, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.1, %16 ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %16 ]
  %6 = getelementptr inbounds double, ptr %0, i64 %indvars.iv
  %7 = load double, ptr %6, align 8, !tbaa !5
  %8 = fcmp olt double %7, %1
  br i1 %8, label %.sink.split, label %9

9:                                                ; preds = %.lr.ph
  %10 = fcmp ogt double %7, %2
  br i1 %10, label %.sink.split, label %.lr.ph.1

.sink.split:                                      ; preds = %9, %.lr.ph
  %.sink = phi double [ %1, %.lr.ph ], [ %2, %9 ]
  store double %.sink, ptr %6, align 8, !tbaa !5
  br label %.lr.ph.1

.lr.ph.1:                                         ; preds = %.sink.split, %9
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %11 = getelementptr inbounds double, ptr %0, i64 %indvars.iv.next
  %12 = load double, ptr %11, align 8, !tbaa !5
  %13 = fcmp olt double %12, %1
  br i1 %13, label %.sink.split.1, label %14

14:                                               ; preds = %.lr.ph.1
  %15 = fcmp ogt double %12, %2
  br i1 %15, label %.sink.split.1, label %16

.sink.split.1:                                    ; preds = %14, %.lr.ph.1
  %.sink.1 = phi double [ %1, %.lr.ph.1 ], [ %2, %14 ]
  store double %.sink.1, ptr %11, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %.sink.split.1, %14
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %16, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.1, %16 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %17 = getelementptr inbounds double, ptr %0, i64 %indvars.iv.unr
  %18 = load double, ptr %17, align 8, !tbaa !5
  %19 = fcmp olt double %18, %1
  br i1 %19, label %.sink.split.epil, label %20

20:                                               ; preds = %.lr.ph.epil
  %21 = fcmp ogt double %18, %2
  br i1 %21, label %.sink.split.epil, label %._crit_edge

.sink.split.epil:                                 ; preds = %20, %.lr.ph.epil
  %.sink.epil = phi double [ %1, %.lr.ph.epil ], [ %2, %20 ]
  store double %.sink.epil, ptr %17, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.sink.split.epil, %20, %4
  ret void
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: readwrite) 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" }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass