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

; 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.flexframegen_s = type { i32, i32, float, ptr, [2 x { float, float }], %struct.flexframegenprops_s, %struct.flexframegenprops_s, ptr, ptr, i32, i32, ptr, i32, ptr, ptr, i32, ptr, i32, ptr, i32, ptr, i32, i32, i32, i32, i32 }
%struct.flexframegenprops_s = type { i32, i32, i32, i32 }

@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [64 x i8], align 1

declare i32 @qpacketmodem_get_frame_len(ptr noundef) #0

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @flexframegen_reconfigure(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.flexframegen_s, ptr %4, i32 0, i32 18
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.flexframegen_s, ptr %7, i32 0, i32 17
  %9 = load i32, ptr %8, align 8, !tbaa !14
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.flexframegen_s, ptr %10, i32 0, i32 5
  %12 = getelementptr inbounds %struct.flexframegenprops_s, ptr %11, i32 0, i32 0
  %13 = load i32, ptr %12, align 8, !tbaa !15
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.flexframegen_s, ptr %14, i32 0, i32 5
  %16 = getelementptr inbounds %struct.flexframegenprops_s, ptr %15, i32 0, i32 1
  %17 = load i32, ptr %16, align 4, !tbaa !16
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.flexframegen_s, ptr %18, i32 0, i32 5
  %20 = getelementptr inbounds %struct.flexframegenprops_s, ptr %19, i32 0, i32 2
  %21 = load i32, ptr %20, align 8, !tbaa !17
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.flexframegen_s, ptr %22, i32 0, i32 5
  %24 = getelementptr inbounds %struct.flexframegenprops_s, ptr %23, i32 0, i32 3
  %25 = load i32, ptr %24, align 4, !tbaa !18
  %26 = call i32 @qpacketmodem_configure(ptr noundef %6, i32 noundef %9, i32 noundef %13, i32 noundef %17, i32 noundef %21, i32 noundef %25)
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.flexframegen_s, ptr %27, i32 0, i32 18
  %29 = load ptr, ptr %28, align 8, !tbaa !9
  %30 = call i32 @qpacketmodem_get_frame_len(ptr noundef %29)
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.flexframegen_s, ptr %31, i32 0, i32 19
  store i32 %30, ptr %32, align 8, !tbaa !19
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.flexframegen_s, ptr %33, i32 0, i32 20
  %35 = load ptr, ptr %34, align 8, !tbaa !20
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.flexframegen_s, ptr %36, i32 0, i32 19
  %38 = load i32, ptr %37, align 8, !tbaa !19
  %39 = zext i32 %38 to i64
  %40 = mul i64 %39, 8
  %41 = call ptr @realloc(ptr noundef %35, i64 noundef %40) #3
  %42 = load ptr, ptr %3, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.flexframegen_s, ptr %42, i32 0, i32 20
  store ptr %41, ptr %43, align 8, !tbaa !20
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.flexframegen_s, ptr %44, i32 0, i32 20
  %46 = load ptr, ptr %45, align 8, !tbaa !20
  %47 = icmp eq ptr %46, null
  br i1 %47, label %48, label %50

48:                                               ; preds = %1
  %49 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 9, ptr noundef @.str.1, i32 noundef 452, ptr noundef @.str.11)
  store i32 %49, ptr %2, align 4
  br label %51

50:                                               ; preds = %1
  store i32 0, ptr %2, align 4
  br label %51

51:                                               ; preds = %50, %48
  %52 = load i32, ptr %2, align 4
  ret i32 %52
}

; Function Attrs: nounwind allocsize(1)
declare ptr @realloc(ptr noundef, i64 noundef) #2

declare i32 @qpacketmodem_configure(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #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 = { 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 #2 = { nounwind allocsize(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 #3 = { nounwind allocsize(1) }

!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 152}
!10 = !{!"flexframegen_s", !11, i64 0, !11, i64 4, !12, i64 8, !6, i64 16, !7, i64 24, !13, i64 40, !13, i64 56, !6, i64 72, !6, i64 80, !11, i64 88, !11, i64 92, !6, i64 96, !11, i64 104, !6, i64 112, !6, i64 120, !11, i64 128, !6, i64 136, !11, i64 144, !6, i64 152, !11, i64 160, !6, i64 168, !11, i64 176, !11, i64 180, !11, i64 184, !11, i64 188, !11, i64 192}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12}
!14 = !{!10, !11, i64 144}
!15 = !{!10, !11, i64 40}
!16 = !{!10, !11, i64 44}
!17 = !{!10, !11, i64 48}
!18 = !{!10, !11, i64 52}
!19 = !{!10, !11, i64 160}
!20 = !{!10, !6, i64 168}


; 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 [85 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [64 x i8], align 1

declare i32 @qpacketmodem_get_frame_len(ptr noundef) local_unnamed_addr #0

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @flexframegen_reconfigure(ptr nocapture noundef %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 152
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 144
  %5 = load i32, ptr %4, align 8, !tbaa !13
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  %7 = load i32, ptr %6, align 8, !tbaa !14
  %8 = getelementptr inbounds i8, ptr %0, i64 44
  %9 = load i32, ptr %8, align 4, !tbaa !15
  %10 = getelementptr inbounds i8, ptr %0, i64 48
  %11 = load i32, ptr %10, align 8, !tbaa !16
  %12 = getelementptr inbounds i8, ptr %0, i64 52
  %13 = load i32, ptr %12, align 4, !tbaa !17
  %14 = tail call i32 @qpacketmodem_configure(ptr noundef %3, i32 noundef %5, i32 noundef %7, i32 noundef %9, i32 noundef %11, i32 noundef %13) #3
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = tail call i32 @qpacketmodem_get_frame_len(ptr noundef %15) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 160
  store i32 %16, ptr %17, align 8, !tbaa !18
  %18 = getelementptr inbounds i8, ptr %0, i64 168
  %19 = load ptr, ptr %18, align 8, !tbaa !19
  %20 = zext i32 %16 to i64
  %21 = shl nuw nsw i64 %20, 3
  %22 = tail call ptr @realloc(ptr noundef %19, i64 noundef %21) #4
  store ptr %22, ptr %18, align 8, !tbaa !19
  %23 = icmp eq ptr %22, null
  br i1 %23, label %24, label %26

24:                                               ; preds = %1
  %25 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 9, ptr noundef nonnull @.str.1, i32 noundef 452, ptr noundef nonnull @.str.11) #3
  br label %26

26:                                               ; preds = %1, %24
  %.0 = phi i32 [ %25, %24 ], [ 0, %1 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias noundef ptr @realloc(ptr allocptr nocapture noundef, i64 noundef) local_unnamed_addr #2

declare i32 @qpacketmodem_configure(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #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 = { 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 #2 = { mustprogress nounwind willreturn allockind("realloc") allocsize(1) 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 #3 = { nounwind }
attributes #4 = { nounwind allocsize(1) }

!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, !11, i64 152}
!6 = !{!"flexframegen_s", !7, i64 0, !7, i64 4, !10, i64 8, !11, i64 16, !8, i64 24, !12, i64 40, !12, i64 56, !11, i64 72, !11, i64 80, !7, i64 88, !7, i64 92, !11, i64 96, !7, i64 104, !11, i64 112, !11, i64 120, !7, i64 128, !11, i64 136, !7, i64 144, !11, i64 152, !7, i64 160, !11, i64 168, !7, i64 176, !7, i64 180, !7, i64 184, !7, i64 188, !7, i64 192}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!13 = !{!6, !7, i64 144}
!14 = !{!6, !7, i64 40}
!15 = !{!6, !7, i64 44}
!16 = !{!6, !7, i64 48}
!17 = !{!6, !7, i64 52}
!18 = !{!6, !7, i64 160}
!19 = !{!6, !11, i64 168}


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