; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_audio_basics.ll (ZN4juce3FFTC2Eib)

; 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::FFT" = type <{ %"class.juce::ScopedPointer.27", i32, [4 x i8] }>
%"class.juce::ScopedPointer.27" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce3FFTC2Eib(ptr noundef nonnull align 8 dereferenceable(12) %0, i32 noundef %1, i1 noundef zeroext %2) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %9 = zext i1 %2 to i8
  store i8 %9, ptr %6, align 1, !tbaa !11
  %10 = load ptr, ptr %4, align 8
  %11 = getelementptr inbounds %"class.juce::FFT", ptr %10, i32 0, i32 0
  %12 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 272) #4
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = shl i32 1, %13
  %15 = load i8, ptr %6, align 1, !tbaa !11, !range !13, !noundef !14
  %16 = trunc i8 %15 to i1
  invoke void @_ZN4juce3FFT9FFTConfigC2Eib(ptr noundef nonnull align 8 dereferenceable(272) %12, i32 noundef %14, i1 noundef zeroext %16)
          to label %17 unwind label %21

17:                                               ; preds = %3
  call void @_ZN4juce13ScopedPointerINS_3FFT9FFTConfigEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef %12) #5
  %18 = getelementptr inbounds %"class.juce::FFT", ptr %10, i32 0, i32 1
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = shl i32 1, %19
  store i32 %20, ptr %18, align 8, !tbaa !15
  ret void

21:                                               ; preds = %3
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %7, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %8, align 4
  call void @_ZdlPvm(ptr noundef %12, i64 noundef 272) #6
  br label %25

25:                                               ; preds = %21
  %26 = load ptr, ptr %7, align 8
  %27 = load i32, ptr %8, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4juce3FFT9FFTConfigC2Eib(ptr noundef nonnull align 8 dereferenceable(272), i32 noundef, i1 noundef zeroext) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4juce13ScopedPointerINS_3FFT9FFTConfigEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #3 align 2

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { inlinehint 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 #4 = { builtin allocsize(0) }
attributes #5 = { nounwind }
attributes #6 = { builtin 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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!16, !10, i64 8}
!16 = !{!"_ZTSN4juce3FFTE", !17, i64 0, !10, i64 8}
!17 = !{!"_ZTSN4juce13ScopedPointerINS_3FFT9FFTConfigEEE", !6, 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce3FFTC2Eib(ptr noundef nonnull align 8 dereferenceable(12) %0, i32 noundef %1, i1 noundef zeroext %2) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %4 = tail call noalias noundef nonnull dereferenceable(272) ptr @_Znwm(i64 noundef 272) #4
  %5 = shl nuw i32 1, %1
  invoke void @_ZN4juce3FFT9FFTConfigC2Eib(ptr noundef nonnull align 8 dereferenceable(272) %4, i32 noundef %5, i1 noundef zeroext %2)
          to label %6 unwind label %8

6:                                                ; preds = %3
  tail call void @_ZN4juce13ScopedPointerINS_3FFT9FFTConfigEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull %4) #5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %5, ptr %7, align 8, !tbaa !5
  ret void

8:                                                ; preds = %3
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 272) #6
  resume { ptr, i32 } %9
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4juce3FFT9FFTConfigC2Eib(ptr noundef nonnull align 8 dereferenceable(272), i32 noundef, i1 noundef zeroext) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4juce13ScopedPointerINS_3FFT9FFTConfigEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #3 align 2

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { inlinehint 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 #4 = { builtin allocsize(0) }
attributes #5 = { nounwind }
attributes #6 = { builtin 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, !11, i64 8}
!6 = !{!"_ZTSN4juce3FFTE", !7, i64 0, !11, i64 8}
!7 = !{!"_ZTSN4juce13ScopedPointerINS_3FFT9FFTConfigEEE", !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass