; LLVM IR from jgaeddert/liquid-dsp :: src/buffer/src (buffercf)

; 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.cbuffercf_s = type { ptr, i32, i32, i32, i32, i32, i32 }

@.str = external hidden unnamed_addr constant [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [39 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 @cbuffercf_pop(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.cbuffercf_s, ptr %6, i32 0, i32 4
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %10, label %12

10:                                               ; preds = %2
  %11 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 5, ptr noundef @.str, i32 noundef 237, ptr noundef @.str.6, ptr noundef @.str.2)
  store i32 %11, ptr %3, align 4
  br label %46

12:                                               ; preds = %2
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %31

15:                                               ; preds = %12
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.cbuffercf_s, ptr %16, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.cbuffercf_s, ptr %19, i32 0, i32 5
  %21 = load i32, ptr %20, align 8, !tbaa !13
  %22 = zext i32 %21 to i64
  %23 = getelementptr inbounds { float, float }, ptr %18, i64 %22
  %24 = getelementptr inbounds { float, float }, ptr %23, i32 0, i32 0
  %25 = load float, ptr %24, align 4
  %26 = getelementptr inbounds { float, float }, ptr %23, i32 0, i32 1
  %27 = load float, ptr %26, align 4
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds { float, float }, ptr %28, i32 0, i32 0
  %30 = getelementptr inbounds { float, float }, ptr %28, i32 0, i32 1
  store float %25, ptr %29, align 4
  store float %27, ptr %30, align 4
  br label %31

31:                                               ; preds = %15, %12
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.cbuffercf_s, ptr %32, i32 0, i32 5
  %34 = load i32, ptr %33, align 8, !tbaa !13
  %35 = add i32 %34, 1
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.cbuffercf_s, ptr %36, i32 0, i32 1
  %38 = load i32, ptr %37, align 8, !tbaa !14
  %39 = urem i32 %35, %38
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.cbuffercf_s, ptr %40, i32 0, i32 5
  store i32 %39, ptr %41, align 8, !tbaa !13
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.cbuffercf_s, ptr %42, i32 0, i32 4
  %44 = load i32, ptr %43, align 4, !tbaa !9
  %45 = add i32 %44, -1
  store i32 %45, ptr %43, align 4, !tbaa !9
  store i32 0, ptr %3, align 4
  br label %46

46:                                               ; preds = %31, %10
  %47 = load i32, ptr %3, align 4
  ret i32 %47
}

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 20}
!10 = !{!"cbuffercf_s", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 0}
!13 = !{!10, !11, i64 24}
!14 = !{!10, !11, i64 8}


; 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 [85 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [39 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 @cbuffercf_pop(ptr nocapture noundef %0, ptr noundef writeonly %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 20
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %6, label %8

6:                                                ; preds = %2
  %7 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 5, ptr noundef nonnull @.str, i32 noundef 237, ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.2) #2
  br label %25

8:                                                ; preds = %2
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %16, label %9

9:                                                ; preds = %8
  %10 = load ptr, ptr %0, align 8, !tbaa !11
  %11 = getelementptr inbounds i8, ptr %0, i64 24
  %12 = load i32, ptr %11, align 8, !tbaa !12
  %13 = zext i32 %12 to i64
  %14 = getelementptr inbounds { float, float }, ptr %10, i64 %13
  %15 = load <2 x float>, ptr %14, align 4
  store <2 x float> %15, ptr %1, align 4
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %9, %8
  %17 = phi i32 [ %.pre, %9 ], [ %4, %8 ]
  %18 = getelementptr inbounds i8, ptr %0, i64 24
  %19 = load i32, ptr %18, align 8, !tbaa !12
  %20 = add i32 %19, 1
  %21 = getelementptr inbounds i8, ptr %0, i64 8
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = urem i32 %20, %22
  store i32 %23, ptr %18, align 8, !tbaa !12
  %24 = add i32 %17, -1
  store i32 %24, ptr %3, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %16, %6
  %.0 = phi i32 [ %7, %6 ], [ 0, %16 ]
  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 = { 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, !10, i64 20}
!6 = !{!"cbuffercf_s", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!6, !10, i64 24}
!13 = !{!6, !10, i64 8}


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