; LLVM IR from merpheus-dev/LavaEngine :: src/Utils/soloud/src/core/soloud_filter.ll (ZN6SoLoud14FilterInstance6filterEPfjjfd)

; 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"

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6SoLoud14FilterInstance6filterEPfjjfd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, float noundef %4, double noundef %5) unnamed_addr #1 align 2 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca float, align 4
  %12 = alloca double, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !9
  store float %4, ptr %11, align 4, !tbaa !11
  store double %5, ptr %12, align 8, !tbaa !13
  %14 = load ptr, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %34, %6
  %16 = load i32, ptr %13, align 4, !tbaa !9
  %17 = load i32, ptr %10, align 4, !tbaa !9
  %18 = icmp ult i32 %16, %17
  br i1 %18, label %19, label %37

19:                                               ; preds = %15
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load i32, ptr %13, align 4, !tbaa !9
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = mul i32 %21, %22
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds float, ptr %20, i64 %24
  %26 = load i32, ptr %9, align 4, !tbaa !9
  %27 = load float, ptr %11, align 4, !tbaa !11
  %28 = load double, ptr %12, align 8, !tbaa !13
  %29 = load i32, ptr %13, align 4, !tbaa !9
  %30 = load i32, ptr %10, align 4, !tbaa !9
  %31 = load ptr, ptr %14, align 8, !tbaa !15
  %32 = getelementptr inbounds ptr, ptr %31, i64 3
  %33 = load ptr, ptr %32, align 8
  call void %33(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef %25, i32 noundef %26, float noundef %27, double noundef %28, i32 noundef %29, i32 noundef %30)
  br label %34

34:                                               ; preds = %19
  %35 = load i32, ptr %13, align 4, !tbaa !9
  %36 = add i32 %35, 1
  store i32 %36, ptr %13, align 4, !tbaa !9
  br label %15, !llvm.loop !17

37:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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, !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, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"vtable pointer", !8, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6SoLoud14FilterInstance6filterEPfjjfd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, float noundef %4, double noundef %5) unnamed_addr #0 align 2 {
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %6
  %wide.trip.count = zext i32 %3 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %7 = trunc nuw i64 %indvars.iv to i32
  %8 = mul i32 %7, %2
  %9 = zext i32 %8 to i64
  %10 = getelementptr inbounds float, ptr %1, i64 %9
  %11 = load ptr, ptr %0, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %11, i64 24
  %13 = load ptr, ptr %12, align 8
  tail call void %13(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %10, i32 noundef %2, float noundef %4, double noundef %5, i32 noundef %7, i32 noundef %3)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

._crit_edge:                                      ; preds = %.lr.ph, %6
  ret void
}

attributes #0 = { mustprogress 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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