; LLVM IR from jgaeddert/liquid-dsp :: src/framing/src (gmskframesync)

; 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.gmskframesync_s = type { ptr, i32, i32, float, ptr, ptr, %struct.framesyncstats_s, %struct.framedatastats_s, { float, float }, float, ptr, ptr, i32, float, float, i32, i32, float, ptr, float, float, float, ptr, ptr, i32, ptr, ptr, i32, i32, i32, ptr, ptr, ptr, ptr, i32, i8, i32, i32, i32, i32, i32, ptr, ptr, ptr, i32, i32, i32, i32, i32 }
%struct.framesyncstats_s = type { float, float, float, ptr, i32, i32, i32, i32, i32, i32 }
%struct.framedatastats_s = type { i32, i32, i32, i64 }

@.str.1 = external hidden unnamed_addr constant [86 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [56 x i8], align 1

; 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: nounwind uwtable
define dso_local i32 @gmskframesync_execute_rxpreamble(ptr noundef %0, <2 x float> noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca { float, float }, align 4
  %5 = alloca ptr, align 8
  %6 = alloca { float, float }, align 4
  %7 = alloca { float, float }, align 4
  %8 = alloca { float, float }, align 4
  %9 = alloca float, align 4
  %10 = alloca i32, align 4
  store <2 x float> %1, ptr %4, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.gmskframesync_s, ptr %11, i32 0, i32 46
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.gmskframesync_s, ptr %14, i32 0, i32 24
  %16 = load i32, ptr %15, align 8, !tbaa !16
  %17 = icmp eq i32 %13, %16
  br i1 %17, label %18, label %20

18:                                               ; preds = %2
  %19 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 1, ptr noundef @.str.1, i32 noundef 596, ptr noundef @.str.4)
  store i32 %19, ptr %3, align 4
  br label %85

20:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.gmskframesync_s, ptr %21, i32 0, i32 23
  %23 = load ptr, ptr %22, align 8, !tbaa !17
  %24 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 0
  %25 = load float, ptr %24, align 4
  %26 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 1
  %27 = load float, ptr %26, align 4
  %28 = getelementptr inbounds { float, float }, ptr %7, i32 0, i32 0
  %29 = getelementptr inbounds { float, float }, ptr %7, i32 0, i32 1
  store float %25, ptr %28, align 4
  store float %27, ptr %29, align 4
  %30 = load <2 x float>, ptr %7, align 4
  %31 = call i32 @nco_crcf_mix_down(ptr noundef %23, <2 x float> noundef %30, ptr noundef %6)
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.gmskframesync_s, ptr %32, i32 0, i32 23
  %34 = load ptr, ptr %33, align 8, !tbaa !17
  %35 = call i32 @nco_crcf_step(ptr noundef %34)
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds { float, float }, ptr %6, i32 0, i32 0
  %38 = load float, ptr %37, align 4
  %39 = getelementptr inbounds { float, float }, ptr %6, i32 0, i32 1
  %40 = load float, ptr %39, align 4
  %41 = getelementptr inbounds { float, float }, ptr %8, i32 0, i32 0
  %42 = getelementptr inbounds { float, float }, ptr %8, i32 0, i32 1
  store float %38, ptr %41, align 4
  store float %40, ptr %42, align 4
  %43 = load <2 x float>, ptr %8, align 4
  %44 = call i32 @gmskframesync_update_fi(ptr noundef %36, <2 x float> noundef %43)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store float 0.000000e+00, ptr %9, align 4, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.gmskframesync_s, ptr %46, i32 0, i32 9
  %48 = load float, ptr %47, align 8, !tbaa !19
  %49 = call i32 @gmskframesync_update_symsync(ptr noundef %45, float noundef %48, ptr noundef %9)
  store i32 %49, ptr %10, align 4, !tbaa !20
  %50 = load i32, ptr %10, align 4, !tbaa !20
  %51 = icmp ne i32 %50, 0
  br i1 %51, label %52, label %84

52:                                               ; preds = %20
  %53 = load float, ptr %9, align 4, !tbaa !18
  %54 = load ptr, ptr %5, align 8, !tbaa !5
  %55 = getelementptr inbounds %struct.gmskframesync_s, ptr %54, i32 0, i32 1
  %56 = load i32, ptr %55, align 8, !tbaa !21
  %57 = uitofp i32 %56 to float
  %58 = fdiv float %53, %57
  %59 = load ptr, ptr %5, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.gmskframesync_s, ptr %59, i32 0, i32 26
  %61 = load ptr, ptr %60, align 8, !tbaa !22
  %62 = load ptr, ptr %5, align 8, !tbaa !5
  %63 = getelementptr inbounds %struct.gmskframesync_s, ptr %62, i32 0, i32 46
  %64 = load i32, ptr %63, align 8, !tbaa !9
  %65 = zext i32 %64 to i64
  %66 = getelementptr inbounds float, ptr %61, i64 %65
  store float %58, ptr %66, align 4, !tbaa !18
  %67 = load ptr, ptr %5, align 8, !tbaa !5
  %68 = getelementptr inbounds %struct.gmskframesync_s, ptr %67, i32 0, i32 46
  %69 = load i32, ptr %68, align 8, !tbaa !9
  %70 = add i32 %69, 1
  store i32 %70, ptr %68, align 8, !tbaa !9
  %71 = load ptr, ptr %5, align 8, !tbaa !5
  %72 = getelementptr inbounds %struct.gmskframesync_s, ptr %71, i32 0, i32 46
  %73 = load i32, ptr %72, align 8, !tbaa !9
  %74 = load ptr, ptr %5, align 8, !tbaa !5
  %75 = getelementptr inbounds %struct.gmskframesync_s, ptr %74, i32 0, i32 24
  %76 = load i32, ptr %75, align 8, !tbaa !16
  %77 = icmp eq i32 %73, %76
  br i1 %77, label %78, label %83

78:                                               ; preds = %52
  %79 = load ptr, ptr %5, align 8, !tbaa !5
  %80 = call i32 @gmskframesync_syncpn(ptr noundef %79)
  %81 = load ptr, ptr %5, align 8, !tbaa !5
  %82 = getelementptr inbounds %struct.gmskframesync_s, ptr %81, i32 0, i32 45
  store i32 2, ptr %82, align 4, !tbaa !23
  br label %83

83:                                               ; preds = %78, %52
  br label %84

84:                                               ; preds = %83, %20
  store i32 0, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %85

85:                                               ; preds = %84, %18
  %86 = load i32, ptr %3, align 4
  ret i32 %86
}

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_update_symsync(ptr noundef, float noundef, ptr noundef) #3

declare i32 @nco_crcf_mix_down(ptr noundef, <2 x float> noundef, ptr noundef) #2

declare i32 @nco_crcf_step(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_update_fi(ptr noundef, <2 x float> noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_syncpn(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind uwtable "min-legal-vector-width"="64" "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 = { "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 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 = { 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/C++ TBAA"}
!9 = !{!10, !11, i64 344}
!10 = !{!"gmskframesync_s", !6, i64 0, !11, i64 8, !11, i64 12, !12, i64 16, !6, i64 24, !6, i64 32, !13, i64 40, !14, i64 88, !7, i64 112, !12, i64 120, !6, i64 128, !6, i64 136, !11, i64 144, !12, i64 148, !12, i64 152, !11, i64 156, !11, i64 160, !12, i64 164, !6, i64 168, !12, i64 176, !12, i64 180, !12, i64 184, !6, i64 192, !6, i64 200, !11, i64 208, !6, i64 216, !6, i64 224, !11, i64 232, !11, i64 236, !11, i64 240, !6, i64 248, !6, i64 256, !6, i64 264, !6, i64 272, !11, i64 280, !7, i64 284, !11, i64 288, !11, i64 292, !11, i64 296, !11, i64 300, !11, i64 304, !6, i64 312, !6, i64 320, !6, i64 328, !11, i64 336, !11, i64 340, !11, i64 344, !11, i64 348, !11, i64 352}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!"", !12, i64 0, !12, i64 4, !12, i64 8, !6, i64 16, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 40, !11, i64 44}
!14 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !15, i64 16}
!15 = !{!"long", !7, i64 0}
!16 = !{!10, !11, i64 208}
!17 = !{!10, !6, i64 200}
!18 = !{!12, !12, i64 0}
!19 = !{!10, !12, i64 120}
!20 = !{!11, !11, i64 0}
!21 = !{!10, !11, i64 8}
!22 = !{!10, !6, i64 224}
!23 = !{!10, !11, i64 340}


; 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"

@.str.1 = external hidden unnamed_addr constant [86 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [56 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @gmskframesync_execute_rxpreamble(ptr noundef %0, <2 x float> noundef %1) local_unnamed_addr #1 {
  %3 = alloca { float, float }, align 8
  %4 = alloca float, align 4
  %5 = getelementptr inbounds i8, ptr %0, i64 344
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 208
  %8 = load i32, ptr %7, align 8, !tbaa !15
  %9 = icmp eq i32 %6, %8
  br i1 %9, label %10, label %12

10:                                               ; preds = %2
  %11 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 1, ptr noundef nonnull @.str.1, i32 noundef 596, ptr noundef nonnull @.str.4) #4
  br label %41

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %13 = getelementptr inbounds i8, ptr %0, i64 200
  %14 = load ptr, ptr %13, align 8, !tbaa !16
  %15 = call i32 @nco_crcf_mix_down(ptr noundef %14, <2 x float> noundef %1, ptr noundef nonnull %3) #4
  %16 = load ptr, ptr %13, align 8, !tbaa !16
  %17 = call i32 @nco_crcf_step(ptr noundef %16) #4
  %18 = load <2 x float>, ptr %3, align 8
  %19 = call i32 @gmskframesync_update_fi(ptr noundef nonnull %0, <2 x float> noundef %18)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store float 0.000000e+00, ptr %4, align 4, !tbaa !17
  %20 = getelementptr inbounds i8, ptr %0, i64 120
  %21 = load float, ptr %20, align 8, !tbaa !18
  %22 = call i32 @gmskframesync_update_symsync(ptr noundef nonnull %0, float noundef %21, ptr noundef nonnull %4)
  %.not = icmp eq i32 %22, 0
  br i1 %.not, label %40, label %23

23:                                               ; preds = %12
  %24 = load float, ptr %4, align 4, !tbaa !17
  %25 = getelementptr inbounds i8, ptr %0, i64 8
  %26 = load i32, ptr %25, align 8, !tbaa !19
  %27 = uitofp i32 %26 to float
  %28 = fdiv float %24, %27
  %29 = getelementptr inbounds i8, ptr %0, i64 224
  %30 = load ptr, ptr %29, align 8, !tbaa !20
  %31 = load i32, ptr %5, align 8, !tbaa !5
  %32 = zext i32 %31 to i64
  %33 = getelementptr inbounds float, ptr %30, i64 %32
  store float %28, ptr %33, align 4, !tbaa !17
  %34 = add i32 %31, 1
  store i32 %34, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %7, align 8, !tbaa !15
  %36 = icmp eq i32 %34, %35
  br i1 %36, label %37, label %40

37:                                               ; preds = %23
  %38 = call i32 @gmskframesync_syncpn(ptr noundef nonnull %0)
  %39 = getelementptr inbounds i8, ptr %0, i64 340
  store i32 2, ptr %39, align 4, !tbaa !21
  br label %40

40:                                               ; preds = %23, %37, %12
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %41

41:                                               ; preds = %40, %10
  %.0 = phi i32 [ %11, %10 ], [ 0, %40 ]
  ret i32 %.0
}

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_update_symsync(ptr noundef, float noundef, ptr noundef) local_unnamed_addr #3

declare i32 @nco_crcf_mix_down(ptr noundef, <2 x float> noundef, ptr noundef) local_unnamed_addr #2

declare i32 @nco_crcf_step(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_update_fi(ptr noundef, <2 x float> noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_syncpn(ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind uwtable "min-legal-vector-width"="64" "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 = { "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 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 = { 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, !10, i64 344}
!6 = !{!"gmskframesync_s", !7, i64 0, !10, i64 8, !10, i64 12, !11, i64 16, !7, i64 24, !7, i64 32, !12, i64 40, !13, i64 88, !8, i64 112, !11, i64 120, !7, i64 128, !7, i64 136, !10, i64 144, !11, i64 148, !11, i64 152, !10, i64 156, !10, i64 160, !11, i64 164, !7, i64 168, !11, i64 176, !11, i64 180, !11, i64 184, !7, i64 192, !7, i64 200, !10, i64 208, !7, i64 216, !7, i64 224, !10, i64 232, !10, i64 236, !10, i64 240, !7, i64 248, !7, i64 256, !7, i64 264, !7, i64 272, !10, i64 280, !8, i64 284, !10, i64 288, !10, i64 292, !10, i64 296, !10, i64 300, !10, i64 304, !7, i64 312, !7, i64 320, !7, i64 328, !10, i64 336, !10, i64 340, !10, i64 344, !10, i64 348, !10, i64 352}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"float", !8, i64 0}
!12 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !7, i64 16, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 36, !10, i64 40, !10, i64 44}
!13 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8, !14, i64 16}
!14 = !{!"long", !8, i64 0}
!15 = !{!6, !10, i64 208}
!16 = !{!6, !7, i64 200}
!17 = !{!11, !11, i64 0}
!18 = !{!6, !11, i64 120}
!19 = !{!6, !10, i64 8}
!20 = !{!6, !7, i64 224}
!21 = !{!6, !10, i64 340}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass