; LLVM IR from jgaeddert/liquid-dsp :: src/modem/src (modemcf)

; 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.modemcf_s = type { i32, i32, i32, [8 x float], ptr, i32, { float, float }, { float, float }, %union.anon, ptr, ptr, ptr, i32 }
%union.anon = type { %struct.anon.3 }
%struct.anon.3 = type { i32, [8 x i32], [8 x float], [8 x float], [8 x float], ptr }

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

; Function Attrs: nounwind uwtable
define dso_local i32 @modemcf_demodulate_qpsk(ptr noundef %0, <2 x float> noundef %1, ptr noundef %2) #1 {
  %4 = alloca { float, float }, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store <2 x float> %1, ptr %4, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %7 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 0
  %8 = load float, ptr %7, align 4
  %9 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 1
  %10 = load float, ptr %9, align 4
  %11 = fcmp ogt float %8, 0.000000e+00
  %12 = zext i1 %11 to i64
  %13 = select i1 %11, i32 0, i32 1
  %14 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 0
  %15 = load float, ptr %14, align 4
  %16 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 1
  %17 = load float, ptr %16, align 4
  %18 = fcmp ogt float %17, 0.000000e+00
  %19 = zext i1 %18 to i64
  %20 = select i1 %18, i32 0, i32 2
  %21 = add nsw i32 %13, %20
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 %21, ptr %22, align 4, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.modemcf_s, ptr %26, i32 0, i32 7
  %28 = call i32 @modemcf_modulate_qpsk(ptr noundef %23, i32 noundef %25, ptr noundef %27)
  %29 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 0
  %30 = load float, ptr %29, align 4
  %31 = getelementptr inbounds { float, float }, ptr %4, i32 0, i32 1
  %32 = load float, ptr %31, align 4
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.modemcf_s, ptr %33, i32 0, i32 6
  %35 = getelementptr inbounds { float, float }, ptr %34, i32 0, i32 0
  %36 = getelementptr inbounds { float, float }, ptr %34, i32 0, i32 1
  store float %30, ptr %35, align 4
  store float %32, ptr %36, align 4
  ret i32 0
}

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" }
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" }

!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, !10, i64 0}
!10 = !{!"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: nounwind uwtable
declare dso_local i32 @modemcf_modulate_qpsk(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @modemcf_demodulate_qpsk(ptr noundef %0, <2 x float> noundef %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #1 {
  %4 = extractelement <2 x float> %1, i64 1
  %5 = extractelement <2 x float> %1, i64 0
  %6 = fcmp ule float %5, 0.000000e+00
  %7 = zext i1 %6 to i32
  %8 = fcmp ogt float %4, 0.000000e+00
  %9 = select i1 %8, i32 0, i32 2
  %10 = or disjoint i32 %9, %7
  store i32 %10, ptr %2, align 4, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %0, i64 68
  %12 = tail call i32 @modemcf_modulate_qpsk(ptr noundef %0, i32 noundef %10, ptr noundef nonnull %11)
  %13 = getelementptr inbounds i8, ptr %0, i64 60
  store <2 x float> %1, ptr %13, align 4
  ret i32 0
}

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" }
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" }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass