; LLVM IR from stan-dev/math :: lib/sundials_6.1.1/src/nvector/manyvector (nvector_manyvector)

; 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._generic_N_Vector = type { ptr, ptr, ptr }
%struct._N_VectorContent_ManyVector = type { i64, i64, ptr, i32 }

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

; Function Attrs: nounwind uwtable
define dso_local double @N_VWSqrSumMaskLocal_ManyVector(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  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 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  store double 0.000000e+00, ptr %9, align 8, !tbaa !9
  store i64 0, ptr %7, align 8, !tbaa !11
  br label %11

11:                                               ; preds = %61, %3
  %12 = load i64, ptr %7, align 8, !tbaa !11
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct._generic_N_Vector, ptr %13, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = getelementptr inbounds %struct._N_VectorContent_ManyVector, ptr %15, i32 0, i32 0
  %17 = load i64, ptr %16, align 8, !tbaa !15
  %18 = icmp slt i64 %12, %17
  br i1 %18, label %19, label %64

19:                                               ; preds = %11
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._generic_N_Vector, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !13
  %23 = getelementptr inbounds %struct._N_VectorContent_ManyVector, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !18
  %25 = load i64, ptr %7, align 8, !tbaa !11
  %26 = getelementptr inbounds ptr, ptr %24, i64 %25
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct._generic_N_Vector, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  %31 = getelementptr inbounds %struct._N_VectorContent_ManyVector, ptr %30, i32 0, i32 2
  %32 = load ptr, ptr %31, align 8, !tbaa !18
  %33 = load i64, ptr %7, align 8, !tbaa !11
  %34 = getelementptr inbounds ptr, ptr %32, i64 %33
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct._generic_N_Vector, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !13
  %39 = getelementptr inbounds %struct._N_VectorContent_ManyVector, ptr %38, i32 0, i32 2
  %40 = load ptr, ptr %39, align 8, !tbaa !18
  %41 = load i64, ptr %7, align 8, !tbaa !11
  %42 = getelementptr inbounds ptr, ptr %40, i64 %41
  %43 = load ptr, ptr %42, align 8, !tbaa !5
  %44 = call double @N_VWrmsNormMask(ptr noundef %27, ptr noundef %35, ptr noundef %43)
  store double %44, ptr %10, align 8, !tbaa !9
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct._generic_N_Vector, ptr %45, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8, !tbaa !13
  %48 = getelementptr inbounds %struct._N_VectorContent_ManyVector, ptr %47, i32 0, i32 2
  %49 = load ptr, ptr %48, align 8, !tbaa !18
  %50 = load i64, ptr %7, align 8, !tbaa !11
  %51 = getelementptr inbounds ptr, ptr %49, i64 %50
  %52 = load ptr, ptr %51, align 8, !tbaa !5
  %53 = call i64 @N_VGetLength(ptr noundef %52)
  store i64 %53, ptr %8, align 8, !tbaa !11
  %54 = load double, ptr %10, align 8, !tbaa !9
  %55 = load double, ptr %10, align 8, !tbaa !9
  %56 = fmul double %54, %55
  %57 = load i64, ptr %8, align 8, !tbaa !11
  %58 = sitofp i64 %57 to double
  %59 = load double, ptr %9, align 8, !tbaa !9
  %60 = call double @llvm.fmuladd.f64(double %56, double %58, double %59)
  store double %60, ptr %9, align 8, !tbaa !9
  br label %61

61:                                               ; preds = %19
  %62 = load i64, ptr %7, align 8, !tbaa !11
  %63 = add nsw i64 %62, 1
  store i64 %63, ptr %7, align 8, !tbaa !11
  br label %11, !llvm.loop !19

64:                                               ; preds = %11
  %65 = load double, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret double %65
}

declare i64 @N_VGetLength(ptr noundef) #2

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #3

declare double @N_VWrmsNormMask(ptr noundef, ptr noundef, ptr noundef) #2

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 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"long", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_generic_N_Vector", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!16, !12, i64 0}
!16 = !{!"_N_VectorContent_ManyVector", !12, i64 0, !12, i64 8, !6, i64 16, !17, i64 24}
!17 = !{!"int", !7, i64 0}
!18 = !{!16, !6, i64 16}
!19 = distinct !{!19, !20}
!20 = !{!"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: nounwind uwtable
define dso_local double @N_VWSqrSumMaskLocal_ManyVector(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = load i64, ptr %4, align 8, !tbaa !10
  %6 = icmp sgt i64 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3, %.lr.ph
  %7 = phi ptr [ %33, %.lr.ph ], [ %4, %3 ]
  %.017 = phi i64 [ %32, %.lr.ph ], [ 0, %3 ]
  %.01516 = phi double [ %31, %.lr.ph ], [ 0.000000e+00, %3 ]
  %8 = getelementptr inbounds i8, ptr %7, i64 16
  %9 = load ptr, ptr %8, align 8, !tbaa !14
  %10 = getelementptr inbounds ptr, ptr %9, i64 %.017
  %11 = load ptr, ptr %10, align 8, !tbaa !15
  %12 = load ptr, ptr %1, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 16
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  %15 = getelementptr inbounds ptr, ptr %14, i64 %.017
  %16 = load ptr, ptr %15, align 8, !tbaa !15
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i64 16
  %19 = load ptr, ptr %18, align 8, !tbaa !14
  %20 = getelementptr inbounds ptr, ptr %19, i64 %.017
  %21 = load ptr, ptr %20, align 8, !tbaa !15
  %22 = tail call double @N_VWrmsNormMask(ptr noundef %11, ptr noundef %16, ptr noundef %21) #3
  %23 = load ptr, ptr %0, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %23, i64 16
  %25 = load ptr, ptr %24, align 8, !tbaa !14
  %26 = getelementptr inbounds ptr, ptr %25, i64 %.017
  %27 = load ptr, ptr %26, align 8, !tbaa !15
  %28 = tail call i64 @N_VGetLength(ptr noundef %27) #3
  %29 = fmul double %22, %22
  %30 = sitofp i64 %28 to double
  %31 = tail call double @llvm.fmuladd.f64(double %29, double %30, double %.01516)
  %32 = add nuw nsw i64 %.017, 1
  %33 = load ptr, ptr %0, align 8, !tbaa !5
  %34 = load i64, ptr %33, align 8, !tbaa !10
  %35 = icmp slt i64 %32, %34
  br i1 %35, label %.lr.ph, label %._crit_edge, !llvm.loop !16

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.015.lcssa = phi double [ 0.000000e+00, %3 ], [ %31, %.lr.ph ]
  ret double %.015.lcssa
}

declare i64 @N_VGetLength(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #2

declare double @N_VWrmsNormMask(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #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 = { "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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { 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 = !{!"_generic_N_Vector", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !12, i64 0}
!11 = !{!"_N_VectorContent_ManyVector", !12, i64 0, !12, i64 8, !7, i64 16, !13, i64 24}
!12 = !{!"long", !8, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = !{!11, !7, i64 16}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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