; LLVM IR from jgaeddert/liquid-dsp :: src/nco/src (nco_crcf)

; 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.synth_crcf_s = type { float, float, ptr, i32, i32, float, { float, float }, { float, float }, { float, float }, float, float }

; Function Attrs: nounwind uwtable
define dso_local void @synth_crcf_constrain_frequency(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.synth_crcf_s, ptr %3, i32 0, i32 1
  %5 = load float, ptr %4, align 4, !tbaa !9
  %6 = fpext float %5 to double
  %7 = fcmp ogt double %6, 0x400921FB54442D18
  br i1 %7, label %8, label %15

8:                                                ; preds = %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.synth_crcf_s, ptr %9, i32 0, i32 1
  %11 = load float, ptr %10, align 4, !tbaa !9
  %12 = fpext float %11 to double
  %13 = fsub double %12, 0x401921FB54442D18
  %14 = fptrunc double %13 to float
  store float %14, ptr %10, align 4, !tbaa !9
  br label %29

15:                                               ; preds = %1
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.synth_crcf_s, ptr %16, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !9
  %19 = fpext float %18 to double
  %20 = fcmp olt double %19, 0xC00921FB54442D18
  br i1 %20, label %21, label %28

21:                                               ; preds = %15
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.synth_crcf_s, ptr %22, i32 0, i32 1
  %24 = load float, ptr %23, align 4, !tbaa !9
  %25 = fpext float %24 to double
  %26 = fadd double %25, 0x401921FB54442D18
  %27 = fptrunc double %26 to float
  store float %27, ptr %23, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %21, %15
  br label %29

29:                                               ; preds = %28, %8
  ret void
}

attributes #0 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 4}
!10 = !{!"synth_crcf_s", !11, i64 0, !11, i64 4, !6, i64 8, !12, i64 16, !12, i64 20, !11, i64 24, !7, i64 28, !7, i64 36, !7, i64 44, !11, i64 52, !11, i64 56}
!11 = !{!"float", !7, i64 0}
!12 = !{!"int", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @synth_crcf_constrain_frequency(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 4
  %3 = load float, ptr %2, align 4, !tbaa !5
  %4 = fpext float %3 to double
  %5 = fcmp ogt double %4, 0x400921FB54442D18
  br i1 %5, label %.sink.split, label %6

6:                                                ; preds = %1
  %7 = fcmp olt double %4, 0xC00921FB54442D18
  br i1 %7, label %.sink.split, label %10

.sink.split:                                      ; preds = %6, %1
  %.sink = phi double [ 0xC01921FB54442D18, %1 ], [ 0x401921FB54442D18, %6 ]
  %8 = fadd double %.sink, %4
  %9 = fptrunc double %8 to float
  store float %9, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %.sink.split, %6
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !7, i64 4}
!6 = !{!"synth_crcf_s", !7, i64 0, !7, i64 4, !10, i64 8, !11, i64 16, !11, i64 20, !7, i64 24, !8, i64 28, !8, i64 36, !8, i64 44, !7, i64 52, !7, i64 56}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}


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