; LLVM IR from tfhe/spqlios-arithmetic :: spqlios/cplx (cplx_conversions)

; 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"

%struct.cplx_from_znx32_precomp = type { ptr, i64 }

; Function Attrs: nounwind uwtable
define dso_local void @cplx_from_znx32_ref(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.cplx_from_znx32_precomp, ptr %12, i32 0, i32 1
  %14 = load i64, ptr %13, align 8, !tbaa !9
  %15 = trunc i64 %14 to i32
  store i32 %15, ptr %7, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %16, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load i32, ptr %7, align 4, !tbaa !12
  %19 = zext i32 %18 to i64
  %20 = getelementptr inbounds i32, ptr %17, i64 %19
  store ptr %20, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %21, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 0, ptr %11, align 4, !tbaa !12
  br label %22

22:                                               ; preds = %50, %3
  %23 = load i32, ptr %11, align 4, !tbaa !12
  %24 = load i32, ptr %7, align 4, !tbaa !12
  %25 = icmp ult i32 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %53

27:                                               ; preds = %22
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = load i32, ptr %11, align 4, !tbaa !12
  %30 = zext i32 %29 to i64
  %31 = getelementptr inbounds i32, ptr %28, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !12
  %33 = sitofp i32 %32 to double
  %34 = load ptr, ptr %10, align 8, !tbaa !5
  %35 = load i32, ptr %11, align 4, !tbaa !12
  %36 = zext i32 %35 to i64
  %37 = getelementptr inbounds [2 x double], ptr %34, i64 %36
  %38 = getelementptr inbounds [2 x double], ptr %37, i64 0, i64 0
  store double %33, ptr %38, align 8, !tbaa !14
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load i32, ptr %11, align 4, !tbaa !12
  %41 = zext i32 %40 to i64
  %42 = getelementptr inbounds i32, ptr %39, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !12
  %44 = sitofp i32 %43 to double
  %45 = load ptr, ptr %10, align 8, !tbaa !5
  %46 = load i32, ptr %11, align 4, !tbaa !12
  %47 = zext i32 %46 to i64
  %48 = getelementptr inbounds [2 x double], ptr %45, i64 %47
  %49 = getelementptr inbounds [2 x double], ptr %48, i64 0, i64 1
  store double %44, ptr %49, align 8, !tbaa !14
  br label %50

50:                                               ; preds = %27
  %51 = load i32, ptr %11, align 4, !tbaa !12
  %52 = add i32 %51, 1
  store i32 %52, ptr %11, align 4, !tbaa !12
  br label %22, !llvm.loop !16

53:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #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, !11, i64 8}
!10 = !{!"cplx_from_znx32_precomp", !6, i64 0, !11, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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 @cplx_from_znx32_ref(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %6 = and i64 %5, 4294967295
  %7 = getelementptr inbounds i32, ptr %2, i64 %6
  %8 = and i64 %5, 4294967295
  %.not = icmp eq i64 %8, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = and i64 %5, 4294967295
  %min.iters.check = icmp ult i64 %wide.trip.count, 2
  br i1 %min.iters.check, label %.lr.ph.preheader18, label %vector.ph

.lr.ph.preheader18:                               ; preds = %middle.block, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  br label %.lr.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.mod.vf = and i64 %5, 1
  %n.vec = sub nsw i64 %wide.trip.count, %n.mod.vf
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %9 = getelementptr inbounds i32, ptr %2, i64 %index
  %wide.load = load <2 x i32>, ptr %9, align 4, !tbaa !11
  %10 = sitofp <2 x i32> %wide.load to <2 x double>
  %11 = getelementptr inbounds i32, ptr %7, i64 %index
  %wide.load17 = load <2 x i32>, ptr %11, align 4, !tbaa !11
  %12 = sitofp <2 x i32> %wide.load17 to <2 x double>
  %13 = getelementptr inbounds [2 x double], ptr %1, i64 %index
  %interleaved.vec = shufflevector <2 x double> %10, <2 x double> %12, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  store <4 x double> %interleaved.vec, ptr %13, align 8, !tbaa !13
  %index.next = add nuw i64 %index, 2
  %14 = icmp eq i64 %index.next, %n.vec
  br i1 %14, label %middle.block, label %vector.body, !llvm.loop !15

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.mod.vf, 0
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader18

._crit_edge:                                      ; preds = %.lr.ph, %middle.block, %3
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader18, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ %indvars.iv.ph, %.lr.ph.preheader18 ]
  %15 = getelementptr inbounds i32, ptr %2, i64 %indvars.iv
  %16 = load i32, ptr %15, align 4, !tbaa !11
  %17 = sitofp i32 %16 to double
  %18 = getelementptr inbounds [2 x double], ptr %1, i64 %indvars.iv
  store double %17, ptr %18, align 8, !tbaa !13
  %19 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv
  %20 = load i32, ptr %19, align 4, !tbaa !11
  %21 = sitofp i32 %20 to double
  %22 = getelementptr inbounds i8, ptr %18, i64 8
  store double %21, ptr %22, align 8, !tbaa !13
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !19
}

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, !10, i64 8}
!6 = !{!"cplx_from_znx32_precomp", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !8, i64 0}
!15 = distinct !{!15, !16, !17, !18}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!"llvm.loop.isvectorized", i32 1}
!18 = !{!"llvm.loop.unroll.runtime.disable"}
!19 = distinct !{!19, !16, !18, !17}


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