; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_audio_basics.ll (ZN4juce20LagrangeInterpolator5resetEv)

; 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.juce::LagrangeInterpolator" = type { [5 x float], double }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4juce20LagrangeInterpolator5resetEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %"class.juce::LagrangeInterpolator", ptr %4, i32 0, i32 1
  store double 1.000000e+00, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !12
  br label %6

6:                                                ; preds = %18, %1
  %7 = load i32, ptr %3, align 4, !tbaa !12
  %8 = getelementptr inbounds %"class.juce::LagrangeInterpolator", ptr %4, i32 0, i32 0
  %9 = invoke noundef i32 @_ZN4juce18numElementsInArrayIfLi5EEEiRAT0__T_(ptr noundef nonnull align 4 dereferenceable(20) %8)
          to label %10 unwind label %22

10:                                               ; preds = %6
  %11 = icmp slt i32 %7, %9
  br i1 %11, label %13, label %12

12:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %21

13:                                               ; preds = %10
  %14 = getelementptr inbounds %"class.juce::LagrangeInterpolator", ptr %4, i32 0, i32 0
  %15 = load i32, ptr %3, align 4, !tbaa !12
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [5 x float], ptr %14, i64 0, i64 %16
  store float 0.000000e+00, ptr %17, align 4, !tbaa !14
  br label %18

18:                                               ; preds = %13
  %19 = load i32, ptr %3, align 4, !tbaa !12
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %3, align 4, !tbaa !12
  br label %6, !llvm.loop !16

21:                                               ; preds = %12
  ret void

22:                                               ; preds = %6
  %23 = landingpad { ptr, i32 }
          catch ptr null
  %24 = extractvalue { ptr, i32 } %23, 0
  call void @__clang_call_terminate(ptr %24) #4
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN4juce18numElementsInArrayIfLi5EEEiRAT0__T_(ptr noundef nonnull align 4 dereferenceable(20)) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noinline noreturn nounwind uwtable "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 = { noreturn 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, !11, i64 24}
!10 = !{!"_ZTSN4juce20LagrangeInterpolatorE", !7, i64 0, !11, i64 24}
!11 = !{!"double", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"float", !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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4juce20LagrangeInterpolator5resetEv(ptr noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  store double 1.000000e+00, ptr %2, align 8, !tbaa !5
  %3 = tail call noundef i32 @_ZN4juce18numElementsInArrayIfLi5EEEiRAT0__T_(ptr noundef nonnull align 4 dereferenceable(20) %0)
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %5 = getelementptr inbounds [5 x float], ptr %0, i64 0, i64 %indvars.iv
  store float 0.000000e+00, ptr %5, align 4, !tbaa !10
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %6 = tail call noundef i32 @_ZN4juce18numElementsInArrayIfLi5EEEiRAT0__T_(ptr noundef nonnull align 4 dereferenceable(20) %0)
  %7 = sext i32 %6 to i64
  %8 = icmp slt i64 %indvars.iv.next, %7
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !12
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN4juce18numElementsInArrayIfLi5EEEiRAT0__T_(ptr noundef nonnull align 4 dereferenceable(20)) local_unnamed_addr #0

attributes #0 = { 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" }

!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, !9, i64 24}
!6 = !{!"_ZTSN4juce20LagrangeInterpolatorE", !7, i64 0, !9, i64 24}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"double", !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"float", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass