; LLVM IR from merpheus-dev/LavaEngine :: src/Utils/soloud/src/filter (soloud_fftfilter)

; 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.SoLoud::FFTFilterInstance" = type { %"class.SoLoud::FilterInstance", ptr, ptr, ptr, [8 x i32], ptr }
%"class.SoLoud::FilterInstance" = type { ptr, i32, i32, ptr, ptr }

@_ZTVN6SoLoud17FFTFilterInstanceE = external dso_local unnamed_addr constant { [13 x ptr] }, align 8

declare void @_ZN6SoLoud14FilterInstanceC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0

; 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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6SoLoud17FFTFilterInstanceC2EPNS_9FFTFilterE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %1) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @_ZN6SoLoud14FilterInstanceC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8)
  store ptr getelementptr inbounds inrange(-16, 88) ({ [13 x ptr] }, ptr @_ZTVN6SoLoud17FFTFilterInstanceE, i32 0, i32 0, i32 2), ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %"class.SoLoud::FFTFilterInstance", ptr %8, i32 0, i32 5
  store ptr %9, ptr %10, align 8, !tbaa !11
  %11 = getelementptr inbounds %"class.SoLoud::FFTFilterInstance", ptr %8, i32 0, i32 2
  store ptr null, ptr %11, align 8, !tbaa !15
  %12 = getelementptr inbounds %"class.SoLoud::FFTFilterInstance", ptr %8, i32 0, i32 3
  store ptr null, ptr %12, align 8, !tbaa !16
  %13 = getelementptr inbounds %"class.SoLoud::FFTFilterInstance", ptr %8, i32 0, i32 1
  store ptr null, ptr %13, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !18
  br label %14

14:                                               ; preds = %22, %2
  %15 = load i32, ptr %5, align 4, !tbaa !18
  %16 = icmp slt i32 %15, 8
  br i1 %16, label %17, label %25

17:                                               ; preds = %14
  %18 = getelementptr inbounds %"class.SoLoud::FFTFilterInstance", ptr %8, i32 0, i32 4
  %19 = load i32, ptr %5, align 4, !tbaa !18
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [8 x i32], ptr %18, i64 0, i64 %20
  store i32 0, ptr %21, align 4, !tbaa !18
  br label %22

22:                                               ; preds = %17
  %23 = load i32, ptr %5, align 4, !tbaa !18
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %5, align 4, !tbaa !18
  br label %14, !llvm.loop !19

25:                                               ; preds = %14
  %26 = load ptr, ptr %8, align 8, !tbaa !9
  %27 = getelementptr inbounds ptr, ptr %26, i64 0
  %28 = load ptr, ptr %27, align 8
  %29 = invoke noundef i32 %28(ptr noundef nonnull align 8 dereferenceable(32) %8, i32 noundef 1)
          to label %30 unwind label %31

30:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

31:                                               ; preds = %25
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %6, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @_ZN6SoLoud14FilterInstanceD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br label %35

35:                                               ; preds = %31
  %36 = load ptr, ptr %6, align 8
  %37 = load i32, ptr %7, align 4
  %38 = insertvalue { ptr, i32 } poison, ptr %36, 0
  %39 = insertvalue { ptr, i32 } %38, i32 %37, 1
  resume { ptr, i32 } %39
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind
declare void @_ZN6SoLoud14FilterInstanceD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3

attributes #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 = { 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 #3 = { 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 #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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 88}
!12 = !{!"_ZTSN6SoLoud17FFTFilterInstanceE", !13, i64 0, !6, i64 32, !6, i64 40, !6, i64 48, !7, i64 56, !6, i64 88}
!13 = !{!"_ZTSN6SoLoud14FilterInstanceE", !14, i64 8, !14, i64 12, !6, i64 16, !6, i64 24}
!14 = !{!"int", !7, i64 0}
!15 = !{!12, !6, i64 40}
!16 = !{!12, !6, i64 48}
!17 = !{!12, !6, i64 32}
!18 = !{!14, !14, i64 0}
!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"

@_ZTVN6SoLoud17FFTFilterInstanceE = external dso_local unnamed_addr constant { [13 x ptr] }, align 8

declare void @_ZN6SoLoud14FilterInstanceC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6SoLoud17FFTFilterInstanceC2EPNS_9FFTFilterE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %1) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN6SoLoud14FilterInstanceC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0)
  store ptr getelementptr inbounds inrange(-16, 88) (i8, ptr @_ZTVN6SoLoud17FFTFilterInstanceE, i64 16), ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 88
  store ptr %1, ptr %3, align 8, !tbaa !8
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(56) %4, i8 0, i64 56, i1 false)
  %5 = load ptr, ptr getelementptr inbounds inrange(-16, 88) (i8, ptr @_ZTVN6SoLoud17FFTFilterInstanceE, i64 16), align 8
  %6 = invoke noundef i32 %5(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 1)
          to label %7 unwind label %8

7:                                                ; preds = %2
  ret void

8:                                                ; preds = %2
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN6SoLoud14FilterInstanceD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  resume { ptr, i32 } %9
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind
declare void @_ZN6SoLoud14FilterInstanceD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #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 = { 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 #2 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !13, i64 88}
!9 = !{!"_ZTSN6SoLoud17FFTFilterInstanceE", !10, i64 0, !13, i64 32, !13, i64 40, !13, i64 48, !12, i64 56, !13, i64 88}
!10 = !{!"_ZTSN6SoLoud14FilterInstanceE", !11, i64 8, !11, i64 12, !13, i64 16, !13, i64 24}
!11 = !{!"int", !12, i64 0}
!12 = !{!"omnipotent char", !7, i64 0}
!13 = !{!"any pointer", !12, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass