; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_audio_basics.ll (ZNK4juce13MPEInstrument7getNoteEii)

; 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.juce::MPENote" = type <{ i16, i8, i8, %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", double, i32, [4 x i8] }>
%"class.juce::MPEValue" = type { i32 }

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce13MPEInstrument10getNotePtrEii(ptr noundef nonnull align 8 dereferenceable(528), i32 noundef, i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK4juce13MPEInstrument7getNoteEii(ptr dead_on_unwind noalias writable sret(%"struct.juce::MPENote") align 8 %0, ptr noundef nonnull align 8 dereferenceable(528) %1, i32 noundef %2, i32 noundef %3) #2 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  store i32 %3, ptr %7, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = call noundef ptr @_ZNK4juce13MPEInstrument10getNotePtrEii(ptr noundef nonnull align 8 dereferenceable(528) %10, i32 noundef %11, i32 noundef %12) #3
  store ptr %13, ptr %8, align 8, !tbaa !5
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %18

16:                                               ; preds = %4
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %17, i64 40, i1 false), !tbaa.struct !11
  store i32 1, ptr %9, align 4
  br label %19

18:                                               ; preds = %4
  store i32 0, ptr %9, align 4
  br label %19

19:                                               ; preds = %18, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %20 = load i32, ptr %9, align 4
  switch i32 %20, label %23 [
    i32 0, label %21
    i32 1, label %22
  ]

21:                                               ; preds = %19
  call void @_ZN4juce7MPENoteC1Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #3
  br label %22

22:                                               ; preds = %21, %19
  ret void

23:                                               ; preds = %19
  unreachable
}

declare void @_ZN4juce7MPENoteC1Ev(ptr)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{i64 0, i64 2, !12, i64 2, i64 1, !14, i64 3, i64 1, !14, i64 4, i64 4, !9, i64 8, i64 4, !9, i64 12, i64 4, !9, i64 16, i64 4, !9, i64 20, i64 4, !9, i64 24, i64 8, !15, i64 32, i64 4, !17}
!12 = !{!13, !13, i64 0}
!13 = !{!"short", !7, i64 0}
!14 = !{!7, !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"double", !7, i64 0}
!17 = !{!18, !18, i64 0}
!18 = !{!"_ZTSN4juce7MPENote8KeyStateE", !7, i64 0}


; 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"

%"struct.juce::MPENote" = type <{ i16, i8, i8, %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", %"class.juce::MPEValue", double, i32, [4 x i8] }>
%"class.juce::MPEValue" = type { i32 }

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce13MPEInstrument10getNotePtrEii(ptr noundef nonnull align 8 dereferenceable(528), i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK4juce13MPEInstrument7getNoteEii(ptr dead_on_unwind noalias writable sret(%"struct.juce::MPENote") align 8 %0, ptr noundef nonnull align 8 dereferenceable(528) %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  %5 = tail call noundef ptr @_ZNK4juce13MPEInstrument10getNotePtrEii(ptr noundef nonnull align 8 dereferenceable(528) %1, i32 noundef %2, i32 noundef %3) #2
  %.not.not = icmp eq ptr %5, null
  br i1 %.not.not, label %7, label %6

6:                                                ; preds = %4
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %5, i64 40, i1 false), !tbaa.struct !5
  br label %8

7:                                                ; preds = %4
  tail call void @_ZN4juce7MPENoteC1Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #2
  br label %8

8:                                                ; preds = %6, %7
  ret void
}

declare void @_ZN4juce7MPENoteC1Ev(ptr) local_unnamed_addr

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{i64 0, i64 2, !6, i64 2, i64 1, !10, i64 3, i64 1, !10, i64 4, i64 4, !11, i64 8, i64 4, !11, i64 12, i64 4, !11, i64 16, i64 4, !11, i64 20, i64 4, !11, i64 24, i64 8, !13, i64 32, i64 4, !15}
!6 = !{!7, !7, i64 0}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!8, !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !8, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"_ZTSN4juce7MPENote8KeyStateE", !8, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass