; LLVM IR from sp-nitech/SPTK :: src/check (mlsa_digital_filter_stability_check)

; 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.sptk::MlsaDigitalFilterStabilityCheck" = type <{ ptr, i32, [4 x i8], double, double, i8, [3 x i8], i32, i32, [4 x i8], ptr, ptr, i8, [7 x i8] }>

@_ZTVN4sptk31MlsaDigitalFilterStabilityCheckE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk31MlsaDigitalFilterStabilityCheckC2Eidd(ptr noundef nonnull align 8 dereferenceable(65) %0, i32 noundef %1, double noundef %2, double noundef %3) unnamed_addr #0 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store double %2, ptr %7, align 8, !tbaa !11
  store double %3, ptr %8, align 8, !tbaa !11
  %9 = load ptr, ptr %5, align 8
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTVN4sptk31MlsaDigitalFilterStabilityCheckE, i32 0, i32 0, i32 2), ptr %9, align 8, !tbaa !13
  %10 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 1
  %11 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %11, ptr %10, align 8, !tbaa !15
  %12 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 3
  %13 = load double, ptr %7, align 8, !tbaa !11
  store double %13, ptr %12, align 8, !tbaa !19
  %14 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 4
  %15 = load double, ptr %8, align 8, !tbaa !11
  store double %15, ptr %14, align 8, !tbaa !20
  %16 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 5
  store i8 1, ptr %16, align 8, !tbaa !21
  %17 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 7
  store i32 0, ptr %17, align 4, !tbaa !22
  %18 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 8
  store i32 1, ptr %18, align 8, !tbaa !23
  %19 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 10
  store ptr null, ptr %19, align 8, !tbaa !24
  %20 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 11
  store ptr null, ptr %20, align 8, !tbaa !25
  %21 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 12
  store i8 1, ptr %21, align 8, !tbaa !26
  %22 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 1
  %23 = load i32, ptr %22, align 8, !tbaa !15
  %24 = icmp slt i32 %23, 0
  br i1 %24, label %32, label %25

25:                                               ; preds = %4
  %26 = load double, ptr %7, align 8, !tbaa !11
  %27 = call noundef zeroext i1 @_ZN4sptk12IsValidAlphaEd(double noundef %26)
  br i1 %27, label %28, label %32

28:                                               ; preds = %25
  %29 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 4
  %30 = load double, ptr %29, align 8, !tbaa !20
  %31 = fcmp ole double %30, 0.000000e+00
  br i1 %31, label %32, label %34

32:                                               ; preds = %28, %25, %4
  %33 = getelementptr inbounds %"class.sptk::MlsaDigitalFilterStabilityCheck", ptr %9, i32 0, i32 12
  store i8 0, ptr %33, align 8, !tbaa !26
  br label %34

34:                                               ; preds = %32, %28
  ret void
}

declare noundef zeroext i1 @_ZN4sptk12IsValidAlphaEd(double noundef) #1

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 = { "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, !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 = !{!"double", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = !{!16, !10, i64 8}
!16 = !{!"_ZTSN4sptk31MlsaDigitalFilterStabilityCheckE", !10, i64 8, !12, i64 16, !12, i64 24, !17, i64 32, !10, i64 36, !18, i64 40, !6, i64 48, !6, i64 56, !17, i64 64}
!17 = !{!"bool", !7, i64 0}
!18 = !{!"_ZTSN4sptk31MlsaDigitalFilterStabilityCheck16ModificationTypeE", !7, i64 0}
!19 = !{!16, !12, i64 16}
!20 = !{!16, !12, i64 24}
!21 = !{!16, !17, i64 32}
!22 = !{!16, !10, i64 36}
!23 = !{!16, !18, i64 40}
!24 = !{!16, !6, i64 48}
!25 = !{!16, !6, i64 56}
!26 = !{!16, !17, i64 64}


; 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"

@_ZTVN4sptk31MlsaDigitalFilterStabilityCheckE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk31MlsaDigitalFilterStabilityCheckC2Eidd(ptr nocapture noundef nonnull align 8 dereferenceable(65) %0, i32 noundef %1, double noundef %2, double noundef %3) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTVN4sptk31MlsaDigitalFilterStabilityCheckE, i64 16), ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %1, ptr %5, align 8, !tbaa !8
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  store double %2, ptr %6, align 8, !tbaa !16
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  store double %3, ptr %7, align 8, !tbaa !17
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  store i8 1, ptr %8, align 8, !tbaa !18
  %9 = getelementptr inbounds i8, ptr %0, i64 36
  store i32 0, ptr %9, align 4, !tbaa !19
  %10 = getelementptr inbounds i8, ptr %0, i64 40
  store i32 1, ptr %10, align 8, !tbaa !20
  %11 = getelementptr inbounds i8, ptr %0, i64 48
  %12 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %11, i8 0, i64 16, i1 false)
  store i8 1, ptr %12, align 8, !tbaa !21
  %13 = icmp slt i32 %1, 0
  br i1 %13, label %18, label %14

14:                                               ; preds = %4
  %15 = tail call noundef zeroext i1 @_ZN4sptk12IsValidAlphaEd(double noundef %2)
  %16 = load double, ptr %7, align 8
  %17 = fcmp ugt double %16, 0.000000e+00
  %or.cond = select i1 %15, i1 %17, i1 false
  br i1 %or.cond, label %19, label %18

18:                                               ; preds = %14, %4
  store i8 0, ptr %12, align 8, !tbaa !21
  br label %19

19:                                               ; preds = %14, %18
  ret void
}

declare noundef zeroext i1 @_ZN4sptk12IsValidAlphaEd(double noundef) local_unnamed_addr #1

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

!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, !10, i64 8}
!9 = !{!"_ZTSN4sptk31MlsaDigitalFilterStabilityCheckE", !10, i64 8, !12, i64 16, !12, i64 24, !13, i64 32, !10, i64 36, !14, i64 40, !15, i64 48, !15, i64 56, !13, i64 64}
!10 = !{!"int", !11, i64 0}
!11 = !{!"omnipotent char", !7, i64 0}
!12 = !{!"double", !11, i64 0}
!13 = !{!"bool", !11, i64 0}
!14 = !{!"_ZTSN4sptk31MlsaDigitalFilterStabilityCheck16ModificationTypeE", !11, i64 0}
!15 = !{!"any pointer", !11, i64 0}
!16 = !{!9, !12, i64 16}
!17 = !{!9, !12, i64 24}
!18 = !{!9, !13, i64 32}
!19 = !{!9, !10, i64 36}
!20 = !{!9, !14, i64 40}
!21 = !{!9, !13, i64 64}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass