; LLVM IR from Overload-Technologies/Overload :: Dependencies/soloud/src/core/soloud_bus.ll (ZN6SoLoud3Bus11setChannelsEj)

; 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"

%"class.SoLoud::AudioSource" = type { ptr, i32, float, float, i32, i32, float, float, float, i32, float, [8 x ptr], ptr, ptr, ptr, i32, double }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN6SoLoud3Bus11setChannelsEj(ptr noundef nonnull align 8 dereferenceable(2216) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %6 = load ptr, ptr %4, align 8
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %21, label %9

9:                                                ; preds = %2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = icmp eq i32 %10, 3
  br i1 %11, label %21, label %12

12:                                               ; preds = %9
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = icmp eq i32 %13, 5
  br i1 %14, label %21, label %15

15:                                               ; preds = %12
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = icmp eq i32 %16, 7
  br i1 %17, label %21, label %18

18:                                               ; preds = %15
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = icmp ugt i32 %19, 8
  br i1 %20, label %21, label %22

21:                                               ; preds = %18, %15, %12, %9, %2
  store i32 1, ptr %3, align 4
  br label %25

22:                                               ; preds = %18
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = getelementptr inbounds %"class.SoLoud::AudioSource", ptr %6, i32 0, i32 4
  store i32 %23, ptr %24, align 4, !tbaa !11
  store i32 0, ptr %3, align 4
  br label %25

25:                                               ; preds = %22, %21
  %26 = load i32, ptr %3, align 4
  ret i32 %26
}

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" }

!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, !10, i64 20}
!12 = !{!"_ZTSN6SoLoud11AudioSourceE", !10, i64 8, !13, i64 12, !13, i64 16, !10, i64 20, !10, i64 24, !13, i64 28, !13, i64 32, !13, i64 36, !10, i64 40, !13, i64 44, !7, i64 48, !6, i64 112, !6, i64 120, !6, i64 128, !10, i64 136, !14, i64 144}
!13 = !{!"float", !7, i64 0}
!14 = !{!"double", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZN6SoLoud3Bus11setChannelsEj(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(2216) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = icmp ugt i32 %1, 8
  br i1 %3, label %switch.lookup, label %switch.early.test

switch.early.test:                                ; preds = %2
  %.not = icmp eq i32 %1, 8
  br i1 %.not, label %4, label %switch.hole_check

4:                                                ; preds = %switch.hole_check, %switch.early.test
  %5 = getelementptr inbounds i8, ptr %0, i64 20
  store i32 %1, ptr %5, align 4, !tbaa !5
  br label %switch.lookup

switch.hole_check:                                ; preds = %switch.early.test
  %switch.maskindex = trunc nuw i32 %1 to i8
  %switch.shifted = lshr i8 -87, %switch.maskindex
  %switch.lobit = trunc i8 %switch.shifted to i1
  br i1 %switch.lobit, label %switch.lookup, label %4

switch.lookup:                                    ; preds = %switch.hole_check, %2, %4
  %.0 = phi i32 [ 0, %4 ], [ 1, %2 ], [ 1, %switch.hole_check ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !7, i64 20}
!6 = !{!"_ZTSN6SoLoud11AudioSourceE", !7, i64 8, !10, i64 12, !10, i64 16, !7, i64 20, !7, i64 24, !10, i64 28, !10, i64 32, !10, i64 36, !7, i64 40, !10, i64 44, !8, i64 48, !11, i64 112, !11, i64 120, !11, i64 128, !7, i64 136, !12, i64 144}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"double", !8, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass