; LLVM IR from facebookresearch/habitat-sim :: src/deps/basis-universal/encoder (basisu_resample_filters)

; 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.basisu::resample_filter" = type { ptr, ptr, float }

@_ZN6basisu18g_resample_filtersE = external dso_local constant [16 x %"struct.basisu::resample_filter"], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN6basisu20find_resample_filterEPKc(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %22, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 16
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  store i32 2, ptr %5, align 4
  br label %25

10:                                               ; preds = %6
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [16 x %"struct.basisu::resample_filter"], ptr @_ZN6basisu18g_resample_filtersE, i64 0, i64 %13
  %15 = getelementptr inbounds %"struct.basisu::resample_filter", ptr %14, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !11
  %17 = call i32 @strcmp(ptr noundef %11, ptr noundef %16) #4
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %21

19:                                               ; preds = %10
  %20 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %20, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %25

21:                                               ; preds = %10
  br label %22

22:                                               ; preds = %21
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !14

25:                                               ; preds = %19, %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %26 = load i32, ptr %5, align 4
  switch i32 %26, label %30 [
    i32 2, label %27
    i32 1, label %28
  ]

27:                                               ; preds = %25
  store i32 -1, ptr %2, align 4
  br label %28

28:                                               ; preds = %27, %25
  %29 = load i32, ptr %2, align 4
  ret i32 %29

30:                                               ; preds = %25
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { mustprogress 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind willreturn memory(read) "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 willreturn memory(read) }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSN6basisu15resample_filterE", !6, i64 0, !6, i64 8, !13, i64 16}
!13 = !{!"float", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%"struct.basisu::resample_filter" = type { ptr, ptr, float }

@_ZN6basisu18g_resample_filtersE = external dso_local local_unnamed_addr constant [16 x %"struct.basisu::resample_filter"], align 16

; Function Attrs: mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef i32 @_ZN6basisu20find_resample_filterEPKc(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load ptr, ptr @_ZN6basisu18g_resample_filtersE, align 16, !tbaa !5
  %3 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %2) #2
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %65, label %5

5:                                                ; preds = %1
  %6 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 24), align 8, !tbaa !5
  %7 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %6) #2
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %65, label %9

9:                                                ; preds = %5
  %10 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 48), align 16, !tbaa !5
  %11 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %10) #2
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %65, label %13

13:                                               ; preds = %9
  %14 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 72), align 8, !tbaa !5
  %15 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %14) #2
  %16 = icmp eq i32 %15, 0
  br i1 %16, label %65, label %17

17:                                               ; preds = %13
  %18 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 96), align 16, !tbaa !5
  %19 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %18) #2
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %65, label %21

21:                                               ; preds = %17
  %22 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 120), align 8, !tbaa !5
  %23 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %22) #2
  %24 = icmp eq i32 %23, 0
  br i1 %24, label %65, label %25

25:                                               ; preds = %21
  %26 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 144), align 16, !tbaa !5
  %27 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %26) #2
  %28 = icmp eq i32 %27, 0
  br i1 %28, label %65, label %29

29:                                               ; preds = %25
  %30 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 168), align 8, !tbaa !5
  %31 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %30) #2
  %32 = icmp eq i32 %31, 0
  br i1 %32, label %65, label %33

33:                                               ; preds = %29
  %34 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 192), align 16, !tbaa !5
  %35 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %34) #2
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %65, label %37

37:                                               ; preds = %33
  %38 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 216), align 8, !tbaa !5
  %39 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %38) #2
  %40 = icmp eq i32 %39, 0
  br i1 %40, label %65, label %41

41:                                               ; preds = %37
  %42 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 240), align 16, !tbaa !5
  %43 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %42) #2
  %44 = icmp eq i32 %43, 0
  br i1 %44, label %65, label %45

45:                                               ; preds = %41
  %46 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 264), align 8, !tbaa !5
  %47 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %46) #2
  %48 = icmp eq i32 %47, 0
  br i1 %48, label %65, label %49

49:                                               ; preds = %45
  %50 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 288), align 16, !tbaa !5
  %51 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %50) #2
  %52 = icmp eq i32 %51, 0
  br i1 %52, label %65, label %53

53:                                               ; preds = %49
  %54 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 312), align 8, !tbaa !5
  %55 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %54) #2
  %56 = icmp eq i32 %55, 0
  br i1 %56, label %65, label %57

57:                                               ; preds = %53
  %58 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 336), align 16, !tbaa !5
  %59 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %58) #2
  %60 = icmp eq i32 %59, 0
  br i1 %60, label %65, label %61

61:                                               ; preds = %57
  %62 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN6basisu18g_resample_filtersE, i64 360), align 8, !tbaa !5
  %63 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %62) #2
  %64 = icmp eq i32 %63, 0
  %spec.select10 = select i1 %64, i32 15, i32 -1
  br label %65

65:                                               ; preds = %61, %57, %53, %49, %45, %41, %37, %33, %29, %25, %21, %17, %13, %9, %5, %1
  %spec.select = phi i32 [ 0, %1 ], [ 1, %5 ], [ 2, %9 ], [ 3, %13 ], [ 4, %17 ], [ 5, %21 ], [ 6, %25 ], [ 7, %29 ], [ 8, %33 ], [ 9, %37 ], [ 10, %41 ], [ 11, %45 ], [ 12, %49 ], [ 13, %53 ], [ 14, %57 ], [ %spec.select10, %61 ]
  ret i32 %spec.select
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: none) 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 #1 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 willreturn memory(read) }

!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 0}
!6 = !{!"_ZTSN6basisu15resample_filterE", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"float", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass