; LLVM IR from jgaeddert/liquid-dsp :: src/multichannel/src (firpfbch_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.firpfbchr_crcf_s = type { i32, i32, i32, i32, ptr, ptr, ptr, ptr, ptr, i32 }

; 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

declare i32 @dotprod_crcf_destroy(ptr noundef) #1

declare i32 @windowcf_destroy(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

declare i32 @fft_destroy_plan(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @firpfbchr_crcf_destroy(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %19, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp ult i32 %5, %8
  br i1 %9, label %10, label %22

10:                                               ; preds = %4
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %11, i32 0, i32 4
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  %16 = getelementptr inbounds ptr, ptr %13, i64 %15
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = call i32 @dotprod_crcf_destroy(ptr noundef %17)
  br label %19

19:                                               ; preds = %10
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = add i32 %20, 1
  store i32 %21, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !14

22:                                               ; preds = %4
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %23, i32 0, i32 4
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  call void @free(ptr noundef %25) #4
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %26, i32 0, i32 5
  %28 = load ptr, ptr %27, align 8, !tbaa !16
  %29 = call i32 @fft_destroy_plan(ptr noundef %28)
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %30, i32 0, i32 6
  %32 = load ptr, ptr %31, align 8, !tbaa !17
  call void @free(ptr noundef %32) #4
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %33, i32 0, i32 7
  %35 = load ptr, ptr %34, align 8, !tbaa !18
  call void @free(ptr noundef %35) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %51, %22
  %37 = load i32, ptr %3, align 4, !tbaa !9
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %38, i32 0, i32 0
  %40 = load i32, ptr %39, align 8, !tbaa !11
  %41 = icmp ult i32 %37, %40
  br i1 %41, label %42, label %54

42:                                               ; preds = %36
  %43 = load ptr, ptr %2, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %43, i32 0, i32 8
  %45 = load ptr, ptr %44, align 8, !tbaa !19
  %46 = load i32, ptr %3, align 4, !tbaa !9
  %47 = zext i32 %46 to i64
  %48 = getelementptr inbounds ptr, ptr %45, i64 %47
  %49 = load ptr, ptr %48, align 8, !tbaa !5
  %50 = call i32 @windowcf_destroy(ptr noundef %49)
  br label %51

51:                                               ; preds = %42
  %52 = load i32, ptr %3, align 4, !tbaa !9
  %53 = add i32 %52, 1
  store i32 %53, ptr %3, align 4, !tbaa !9
  br label %36, !llvm.loop !20

54:                                               ; preds = %36
  %55 = load ptr, ptr %2, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.firpfbchr_crcf_s, ptr %55, i32 0, i32 8
  %57 = load ptr, ptr %56, align 8, !tbaa !19
  call void @free(ptr noundef %57) #4
  %58 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %58) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 0
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 "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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"firpfbchr_crcf_s", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !10, i64 56}
!13 = !{!12, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !6, i64 24}
!17 = !{!12, !6, i64 32}
!18 = !{!12, !6, i64 40}
!19 = !{!12, !6, i64 48}
!20 = distinct !{!20, !15}


; 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"

declare i32 @dotprod_crcf_destroy(ptr noundef) local_unnamed_addr #0

declare i32 @windowcf_destroy(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

declare i32 @fft_destroy_plan(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @firpfbchr_crcf_destroy(ptr nocapture noundef %0) local_unnamed_addr #2 {
  %2 = load i32, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  br label %4

4:                                                ; preds = %.lr.ph, %4
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %4 ]
  %5 = load ptr, ptr %3, align 8, !tbaa !11
  %6 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv
  %7 = load ptr, ptr %6, align 8, !tbaa !12
  %8 = tail call i32 @dotprod_crcf_destroy(ptr noundef %7) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %9 = load i32, ptr %0, align 8, !tbaa !5
  %10 = zext i32 %9 to i64
  %11 = icmp ult i64 %indvars.iv.next, %10
  br i1 %11, label %4, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %4, %1
  %12 = getelementptr inbounds i8, ptr %0, i64 16
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  tail call void @free(ptr noundef %13) #3
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  %15 = load ptr, ptr %14, align 8, !tbaa !15
  %16 = tail call i32 @fft_destroy_plan(ptr noundef %15) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 32
  %18 = load ptr, ptr %17, align 8, !tbaa !16
  tail call void @free(ptr noundef %18) #3
  %19 = getelementptr inbounds i8, ptr %0, i64 40
  %20 = load ptr, ptr %19, align 8, !tbaa !17
  tail call void @free(ptr noundef %20) #3
  %21 = load i32, ptr %0, align 8, !tbaa !5
  %.not20 = icmp eq i32 %21, 0
  br i1 %.not20, label %._crit_edge19, label %.lr.ph18

.lr.ph18:                                         ; preds = %._crit_edge
  %22 = getelementptr inbounds i8, ptr %0, i64 48
  br label %23

23:                                               ; preds = %.lr.ph18, %23
  %indvars.iv22 = phi i64 [ 0, %.lr.ph18 ], [ %indvars.iv.next23, %23 ]
  %24 = load ptr, ptr %22, align 8, !tbaa !18
  %25 = getelementptr inbounds ptr, ptr %24, i64 %indvars.iv22
  %26 = load ptr, ptr %25, align 8, !tbaa !12
  %27 = tail call i32 @windowcf_destroy(ptr noundef %26) #3
  %indvars.iv.next23 = add nuw nsw i64 %indvars.iv22, 1
  %28 = load i32, ptr %0, align 8, !tbaa !5
  %29 = zext i32 %28 to i64
  %30 = icmp ult i64 %indvars.iv.next23, %29
  br i1 %30, label %23, label %._crit_edge19, !llvm.loop !19

._crit_edge19:                                    ; preds = %23, %._crit_edge
  %31 = getelementptr inbounds i8, ptr %0, i64 48
  %32 = load ptr, ptr %31, align 8, !tbaa !18
  tail call void @free(ptr noundef %32) #3
  tail call void @free(ptr noundef nonnull %0) #3
  ret i32 0
}

attributes #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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 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 #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, !7, i64 0}
!6 = !{!"firpfbchr_crcf_s", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !7, i64 56}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!10, !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!6, !10, i64 24}
!16 = !{!6, !10, i64 32}
!17 = !{!6, !10, i64 40}
!18 = !{!6, !10, i64 48}
!19 = distinct !{!19, !14}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass