; LLVM IR from jgaeddert/liquid-dsp :: src/multichannel/src/ofdmframe.common (ofdmframe_print_sctype)

; 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"

@.str = external hidden unnamed_addr constant [94 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [58 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #1

; 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 @ofdmframe_print_sctype(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str.13)
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %39, %2
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = icmp ult i32 %11, %12
  br i1 %13, label %14, label %42

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = udiv i32 %16, 2
  %18 = add i32 %15, %17
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = urem i32 %18, %19
  store i32 %20, ptr %7, align 4, !tbaa !9
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = zext i32 %22 to i64
  %24 = getelementptr inbounds i8, ptr %21, i64 %23
  %25 = load i8, ptr %24, align 1, !tbaa !11
  %26 = zext i8 %25 to i32
  switch i32 %26, label %33 [
    i32 0, label %27
    i32 1, label %29
    i32 2, label %31
  ]

27:                                               ; preds = %14
  %28 = call i32 (ptr, ...) @printf(ptr noundef @.str.14)
  br label %35

29:                                               ; preds = %14
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.15)
  br label %35

31:                                               ; preds = %14
  %32 = call i32 (ptr, ...) @printf(ptr noundef @.str.16)
  br label %35

33:                                               ; preds = %14
  %34 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 3, ptr noundef @.str, i32 noundef 331, ptr noundef @.str.17)
  store i32 %34, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %36

35:                                               ; preds = %31, %29, %27
  store i32 0, ptr %8, align 4
  br label %36

36:                                               ; preds = %35, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  %37 = load i32, ptr %8, align 4
  switch i32 %37, label %44 [
    i32 0, label %38
  ]

38:                                               ; preds = %36
  br label %39

39:                                               ; preds = %38
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = add i32 %40, 1
  store i32 %41, ptr %6, align 4, !tbaa !9
  br label %10, !llvm.loop !12

42:                                               ; preds = %10
  %43 = call i32 (ptr, ...) @printf(ptr noundef @.str.18)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %44

44:                                               ; preds = %42, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %45 = load i32, ptr %3, align 4
  ret i32 %45
}

declare i32 @printf(ptr noundef, ...) #1

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 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, !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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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 = external hidden unnamed_addr constant [94 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [58 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [3 x i8], align 1
@switch.table.ofdmframe_print_sctype = private unnamed_addr constant [3 x ptr] [ptr @.str.14, ptr @.str.15, ptr @.str.16], align 8

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 @ofdmframe_print_sctype(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.13)
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %4 = lshr i32 %1, 1
  br label %5

5:                                                ; preds = %.lr.ph, %switch.lookup
  %.01015 = phi i32 [ 0, %.lr.ph ], [ %16, %switch.lookup ]
  %6 = add i32 %.01015, %4
  %7 = urem i32 %6, %1
  %8 = zext i32 %7 to i64
  %9 = getelementptr inbounds i8, ptr %0, i64 %8
  %10 = load i8, ptr %9, align 1, !tbaa !5
  %11 = icmp ult i8 %10, 3
  br i1 %11, label %switch.lookup, label %12

12:                                               ; preds = %5
  %13 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 3, ptr noundef nonnull @.str, i32 noundef 331, ptr noundef nonnull @.str.17) #3
  br label %18

switch.lookup:                                    ; preds = %5
  %14 = zext nneg i8 %10 to i64
  %switch.gep = getelementptr inbounds [3 x ptr], ptr @switch.table.ofdmframe_print_sctype, i64 0, i64 %14
  %switch.load = load ptr, ptr %switch.gep, align 8
  %15 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %switch.load)
  %16 = add nuw i32 %.01015, 1
  %exitcond.not = icmp eq i32 %16, %1
  br i1 %exitcond.not, label %._crit_edge, label %5, !llvm.loop !8

._crit_edge:                                      ; preds = %switch.lookup, %2
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.18)
  br label %18

18:                                               ; preds = %12, %._crit_edge
  %.2 = phi i32 [ %13, %12 ], [ 0, %._crit_edge ]
  ret i32 %.2
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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 = { nofree 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 }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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