; LLVM IR from kazulagi/plantFEM :: src/ClangClass (ClangClass)

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

6:                                                ; preds = %28, %2
  %7 = load i64, ptr %5, align 8, !tbaa !9
  %8 = load i64, ptr %4, align 8, !tbaa !9
  %9 = icmp ult i64 %7, %8
  br i1 %9, label %10, label %31

10:                                               ; preds = %6
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load i64, ptr %5, align 8, !tbaa !9
  %13 = getelementptr inbounds double, ptr %11, i64 %12
  %14 = load double, ptr %13, align 8, !tbaa !11
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = load i64, ptr %5, align 8, !tbaa !9
  %17 = getelementptr inbounds double, ptr %15, i64 %16
  %18 = load double, ptr %17, align 8, !tbaa !11
  %19 = fmul double %14, %18
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = load i64, ptr %5, align 8, !tbaa !9
  %22 = getelementptr inbounds double, ptr %20, i64 %21
  %23 = load double, ptr %22, align 8, !tbaa !11
  %24 = fmul double %19, %23
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = getelementptr inbounds double, ptr %25, i64 %26
  store double %24, ptr %27, align 8, !tbaa !11
  br label %28

28:                                               ; preds = %10
  %29 = load i64, ptr %5, align 8, !tbaa !9
  %30 = add i64 %29, 1
  store i64 %30, ptr %5, align 8, !tbaa !9
  br label %6, !llvm.loop !13

31:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret void
}

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

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !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 @real_cube(ptr nocapture noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %min.iters.check = icmp ult i64 %1, 4
  br i1 %min.iters.check, label %.lr.ph.preheader12, label %vector.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %1, -4
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %3 = getelementptr inbounds double, ptr %0, i64 %index
  %4 = getelementptr inbounds i8, ptr %3, i64 16
  %wide.load = load <2 x double>, ptr %3, align 8, !tbaa !5
  %wide.load11 = load <2 x double>, ptr %4, align 8, !tbaa !5
  %5 = fmul <2 x double> %wide.load, %wide.load
  %6 = fmul <2 x double> %wide.load11, %wide.load11
  %7 = fmul <2 x double> %wide.load, %5
  %8 = fmul <2 x double> %wide.load11, %6
  store <2 x double> %7, ptr %3, align 8, !tbaa !5
  store <2 x double> %8, ptr %4, align 8, !tbaa !5
  %index.next = add nuw i64 %index, 4
  %9 = icmp eq i64 %index.next, %n.vec
  br i1 %9, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %1
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader12

.lr.ph.preheader12:                               ; preds = %middle.block, %.lr.ph.preheader
  %.010.ph = phi i64 [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader12, %.lr.ph
  %.010 = phi i64 [ %14, %.lr.ph ], [ %.010.ph, %.lr.ph.preheader12 ]
  %10 = getelementptr inbounds double, ptr %0, i64 %.010
  %11 = load double, ptr %10, align 8, !tbaa !5
  %12 = fmul double %11, %11
  %13 = fmul double %11, %12
  store double %13, ptr %10, align 8, !tbaa !5
  %14 = add nuw i64 %.010, 1
  %exitcond.not = icmp eq i64 %14, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph, %middle.block, %2
  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, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10, !12, !11}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass