; 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 }

; 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_detectframe(ptr noundef %0, <2 x float> noundef %1) #1 {
  %3 = alloca { float, float }, align 4
  %4 = alloca ptr, align 8
  %5 = alloca { float, float }, align 4
  %6 = alloca i32, align 4
  %7 = alloca { float, float }, align 4
  store <2 x float> %1, ptr %3, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.gmskframesync_s, ptr %8, i32 0, i32 22
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = getelementptr inbounds { float, float }, ptr %3, i32 0, i32 0
  %12 = load float, ptr %11, align 4
  %13 = getelementptr inbounds { float, float }, ptr %3, i32 0, i32 1
  %14 = load float, ptr %13, align 4
  %15 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 0
  %16 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 1
  store float %12, ptr %15, align 4
  store float %14, ptr %16, align 4
  %17 = load <2 x float>, ptr %5, align 4
  %18 = call i32 @windowcf_push(ptr noundef %10, <2 x float> noundef %17)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.gmskframesync_s, ptr %19, i32 0, i32 18
  %21 = load ptr, ptr %20, align 8, !tbaa !16
  %22 = getelementptr inbounds { float, float }, ptr %3, i32 0, i32 0
  %23 = load float, ptr %22, align 4
  %24 = getelementptr inbounds { float, float }, ptr %3, i32 0, i32 1
  %25 = load float, ptr %24, align 4
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.gmskframesync_s, ptr %26, i32 0, i32 19
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.gmskframesync_s, ptr %28, i32 0, i32 20
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.gmskframesync_s, ptr %30, i32 0, i32 21
  %32 = getelementptr inbounds { float, float }, ptr %7, i32 0, i32 0
  %33 = getelementptr inbounds { float, float }, ptr %7, i32 0, i32 1
  store float %23, ptr %32, align 4
  store float %25, ptr %33, align 4
  %34 = load <2 x float>, ptr %7, align 4
  %35 = call i32 @detector_cccf_correlate(ptr noundef %21, <2 x float> noundef %34, ptr noundef %27, ptr noundef %29, ptr noundef %31)
  store i32 %35, ptr %6, align 4, !tbaa !17
  %36 = load i32, ptr %6, align 4, !tbaa !17
  %37 = icmp ne i32 %36, 0
  br i1 %37, label %38, label %41

38:                                               ; preds = %2
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = call i32 @gmskframesync_pushpn(ptr noundef %39)
  br label %41

41:                                               ; preds = %38, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  ret i32 0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_pushpn(ptr noundef) #1

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

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

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 }

!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, !6, i64 192}
!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, !6, i64 168}
!17 = !{!11, !11, 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: nounwind uwtable
define dso_local noundef i32 @gmskframesync_execute_detectframe(ptr noundef %0, <2 x float> noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 192
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call i32 @windowcf_push(ptr noundef %4, <2 x float> noundef %1) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 168
  %7 = load ptr, ptr %6, align 8, !tbaa !15
  %8 = getelementptr inbounds i8, ptr %0, i64 176
  %9 = getelementptr inbounds i8, ptr %0, i64 180
  %10 = getelementptr inbounds i8, ptr %0, i64 184
  %11 = tail call i32 @detector_cccf_correlate(ptr noundef %7, <2 x float> noundef %1, ptr noundef nonnull %8, ptr noundef nonnull %9, ptr noundef nonnull %10) #2
  %.not = icmp eq i32 %11, 0
  br i1 %.not, label %14, label %12

12:                                               ; preds = %2
  %13 = tail call i32 @gmskframesync_pushpn(ptr noundef nonnull %0)
  br label %14

14:                                               ; preds = %12, %2
  ret i32 0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @gmskframesync_pushpn(ptr noundef) local_unnamed_addr #0

declare i32 @windowcf_push(ptr noundef, <2 x float> noundef) local_unnamed_addr #1

declare i32 @detector_cccf_correlate(ptr noundef, <2 x float> noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 = { 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, !7, i64 192}
!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, !7, i64 168}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass