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

; 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.fskframegen_s = type { i32, i32, float, i32, ptr, ptr, ptr, i32, ptr, i32, i32, ptr, ptr, ptr, i32, i32, i32, i32, i32, ptr, ptr, i32, i32, i32, i32, i32 }

@.str.1 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1

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

; Function Attrs: nounwind uwtable
define dso_local i32 @fskframegen_generate_symbol(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.fskframegen_s, ptr %4, i32 0, i32 21
  %6 = load i32, ptr %5, align 8, !tbaa !9
  switch i32 %6, label %19 [
    i32 0, label %7
    i32 1, label %10
    i32 2, label %13
    i32 3, label %16
  ]

7:                                                ; preds = %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call i32 @fskframegen_generate_zeros(ptr noundef %8)
  store i32 %9, ptr %2, align 4
  br label %22

10:                                               ; preds = %1
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = call i32 @fskframegen_generate_preamble(ptr noundef %11)
  store i32 %12, ptr %2, align 4
  br label %22

13:                                               ; preds = %1
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call i32 @fskframegen_generate_header(ptr noundef %14)
  store i32 %15, ptr %2, align 4
  br label %22

16:                                               ; preds = %1
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = call i32 @fskframegen_generate_payload(ptr noundef %17)
  store i32 %18, ptr %2, align 4
  br label %22

19:                                               ; preds = %1
  br label %20

20:                                               ; preds = %19
  %21 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 1, ptr noundef @.str.1, i32 noundef 436, ptr noundef @.str.4)
  store i32 %21, ptr %2, align 4
  br label %22

22:                                               ; preds = %20, %16, %13, %10, %7
  %23 = load i32, ptr %2, align 4
  ret i32 %23
}

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

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

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

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

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" }

!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 128}
!10 = !{!"fskframegen_s", !11, i64 0, !11, i64 4, !12, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !11, i64 40, !6, i64 48, !11, i64 56, !11, i64 60, !6, i64 64, !6, i64 72, !6, i64 80, !11, i64 88, !11, i64 92, !11, i64 96, !11, i64 100, !11, i64 104, !6, i64 112, !6, i64 120, !11, i64 128, !11, i64 132, !11, i64 136, !11, i64 140, !11, i64 144}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !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"

@.str.1 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1

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 @fskframegen_generate_symbol(ptr noundef %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 128
  %3 = load i32, ptr %2, align 8, !tbaa !5
  switch i32 %3, label %12 [
    i32 0, label %4
    i32 1, label %6
    i32 2, label %8
    i32 3, label %10
  ]

4:                                                ; preds = %1
  %5 = tail call i32 @fskframegen_generate_zeros(ptr noundef nonnull %0)
  br label %14

6:                                                ; preds = %1
  %7 = tail call i32 @fskframegen_generate_preamble(ptr noundef nonnull %0)
  br label %14

8:                                                ; preds = %1
  %9 = tail call i32 @fskframegen_generate_header(ptr noundef nonnull %0)
  br label %14

10:                                               ; preds = %1
  %11 = tail call i32 @fskframegen_generate_payload(ptr noundef nonnull %0)
  br label %14

12:                                               ; preds = %1
  %13 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 1, ptr noundef nonnull @.str.1, i32 noundef 436, ptr noundef nonnull @.str.4) #2
  br label %14

14:                                               ; preds = %12, %10, %8, %6, %4
  %.0 = phi i32 [ %13, %12 ], [ %11, %10 ], [ %9, %8 ], [ %7, %6 ], [ %5, %4 ]
  ret i32 %.0
}

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

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

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

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

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 }

!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 128}
!6 = !{!"fskframegen_s", !7, i64 0, !7, i64 4, !10, i64 8, !7, i64 12, !11, i64 16, !11, i64 24, !11, i64 32, !7, i64 40, !11, i64 48, !7, i64 56, !7, i64 60, !11, i64 64, !11, i64 72, !11, i64 80, !7, i64 88, !7, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !11, i64 112, !11, i64 120, !7, i64 128, !7, i64 132, !7, i64 136, !7, i64 140, !7, i64 144}
!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}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass