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

@.str.8 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [48 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 @windowcf_index(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load i32, ptr %6, align 4, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.windowcf_s, ptr %9, i32 0, i32 1
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp uge i32 %8, %11
  br i1 %12, label %13, label %15

13:                                               ; preds = %3
  %14 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 5, ptr noundef @.str.8, i32 noundef 209, ptr noundef @.str.18)
  store i32 %14, ptr %4, align 4
  br label %33

15:                                               ; preds = %3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.windowcf_s, ptr %16, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !13
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.windowcf_s, ptr %19, i32 0, i32 6
  %21 = load i32, ptr %20, align 4, !tbaa !14
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = add i32 %21, %22
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds { float, float }, ptr %18, i64 %24
  %26 = getelementptr inbounds { float, float }, ptr %25, i32 0, i32 0
  %27 = load float, ptr %26, align 4
  %28 = getelementptr inbounds { float, float }, ptr %25, i32 0, i32 1
  %29 = load float, ptr %28, align 4
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = getelementptr inbounds { float, float }, ptr %30, i32 0, i32 0
  %32 = getelementptr inbounds { float, float }, ptr %30, i32 0, i32 1
  store float %27, ptr %31, align 4
  store float %29, ptr %32, align 4
  store i32 0, ptr %4, align 4
  br label %33

33:                                               ; preds = %15, %13
  %34 = load i32, ptr %4, align 4
  ret i32 %34
}

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


; 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.8 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [48 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 @windowcf_index(ptr nocapture noundef readonly %0, i32 noundef %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %.not = icmp ugt i32 %5, %1
  br i1 %.not, label %8, label %6

6:                                                ; preds = %3
  %7 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 5, ptr noundef nonnull @.str.8, i32 noundef 209, ptr noundef nonnull @.str.18) #2
  br label %16

8:                                                ; preds = %3
  %9 = load ptr, ptr %0, align 8, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %0, i64 28
  %11 = load i32, ptr %10, align 4, !tbaa !12
  %12 = add i32 %11, %1
  %13 = zext i32 %12 to i64
  %14 = getelementptr inbounds { float, float }, ptr %9, i64 %13
  %15 = load <2 x float>, ptr %14, align 4
  store <2 x float> %15, ptr %2, align 4
  br label %16

16:                                               ; preds = %8, %6
  %.0 = phi i32 [ %7, %6 ], [ 0, %8 ]
  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 8}
!6 = !{!"windowcf_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 28}


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