; LLVM IR from kdrag0n/fxdsp :: external/oboe/src/flowgraph/ClipToRange.ll (ZN4oboe9flowgraph11ClipToRange9onProcessEi)

; 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.oboe::flowgraph::FlowGraphFilter" = type { %"class.oboe::flowgraph::FlowGraphNode", %"class.oboe::flowgraph::FlowGraphPortFloatInput", %"class.oboe::flowgraph::FlowGraphPortFloatOutput" }
%"class.oboe::flowgraph::FlowGraphNode" = type { ptr, i64, %"class.std::vector", i8, i8, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.oboe::flowgraph::FlowGraphPortFloatInput" = type { %"class.oboe::flowgraph::FlowGraphPortFloat", ptr }
%"class.oboe::flowgraph::FlowGraphPortFloat" = type { %"class.oboe::flowgraph::FlowGraphPort.base", i32, %"class.std::unique_ptr" }
%"class.oboe::flowgraph::FlowGraphPort.base" = type <{ ptr, ptr, i32 }>
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }
%"class.oboe::flowgraph::FlowGraphPortFloatOutput" = type { %"class.oboe::flowgraph::FlowGraphPortFloat" }
%"class.oboe::flowgraph::ClipToRange" = type { %"class.oboe::flowgraph::FlowGraphFilter", float, float }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN4oboe9flowgraph11ClipToRange9onProcessEi(ptr noundef nonnull align 8 dereferenceable(128) %0, i32 noundef %1) unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %10 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphFilter", ptr %9, i32 0, i32 1
  %11 = call noundef ptr @_ZN4oboe9flowgraph23FlowGraphPortFloatInput9getBufferEv(ptr noundef nonnull align 8 dereferenceable(40) %10)
  store ptr %11, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %12 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphFilter", ptr %9, i32 0, i32 2
  %13 = call noundef ptr @_ZN4oboe9flowgraph18FlowGraphPortFloat9getBufferEv(ptr noundef nonnull align 8 dereferenceable(32) %12)
  store ptr %13, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphFilter", ptr %9, i32 0, i32 2
  %16 = call noundef i32 @_ZNK4oboe9flowgraph13FlowGraphPort18getSamplesPerFrameEv(ptr noundef nonnull align 8 dereferenceable(20) %15)
  %17 = mul nsw i32 %14, %16
  store i32 %17, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %33, %2
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %36

23:                                               ; preds = %18
  %24 = getelementptr inbounds %"class.oboe::flowgraph::ClipToRange", ptr %9, i32 0, i32 2
  %25 = getelementptr inbounds %"class.oboe::flowgraph::ClipToRange", ptr %9, i32 0, i32 1
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds float, ptr %26, i32 1
  store ptr %27, ptr %5, align 8, !tbaa !5
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %25, ptr noundef nonnull align 4 dereferenceable(4) %26)
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %24, ptr noundef nonnull align 4 dereferenceable(4) %28)
  %30 = load float, ptr %29, align 4, !tbaa !11
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = getelementptr inbounds float, ptr %31, i32 1
  store ptr %32, ptr %6, align 8, !tbaa !5
  store float %30, ptr %31, align 4, !tbaa !11
  br label %33

33:                                               ; preds = %23
  %34 = load i32, ptr %8, align 4, !tbaa !9
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %8, align 4, !tbaa !9
  br label %18, !llvm.loop !13

36:                                               ; preds = %22
  %37 = load i32, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret i32 %37
}

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

declare noundef ptr @_ZN4oboe9flowgraph23FlowGraphPortFloatInput9getBufferEv(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN4oboe9flowgraph18FlowGraphPortFloat9getBufferEv(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4oboe9flowgraph13FlowGraphPort18getSamplesPerFrameEv(ptr noundef nonnull align 8 dereferenceable(20)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

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

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { inlinehint 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 #5 = { 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 = distinct !{!13, !14}
!14 = !{!"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 noundef i32 @_ZN4oboe9flowgraph11ClipToRange9onProcessEi(ptr noundef nonnull align 8 dereferenceable(128) %0, i32 noundef returned %1) unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 48
  %4 = tail call noundef ptr @_ZN4oboe9flowgraph23FlowGraphPortFloatInput9getBufferEv(ptr noundef nonnull align 8 dereferenceable(40) %3)
  %5 = getelementptr inbounds i8, ptr %0, i64 88
  %6 = tail call noundef ptr @_ZN4oboe9flowgraph18FlowGraphPortFloat9getBufferEv(ptr noundef nonnull align 8 dereferenceable(32) %5)
  %7 = tail call noundef i32 @_ZNK4oboe9flowgraph13FlowGraphPort18getSamplesPerFrameEv(ptr noundef nonnull align 8 dereferenceable(20) %5)
  %8 = mul nsw i32 %7, %1
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %10 = getelementptr inbounds i8, ptr %0, i64 124
  %11 = getelementptr inbounds i8, ptr %0, i64 120
  br label %12

._crit_edge:                                      ; preds = %12, %2
  ret i32 %1

12:                                               ; preds = %.lr.ph, %12
  %.011 = phi i32 [ 0, %.lr.ph ], [ %18, %12 ]
  %.0710 = phi ptr [ %4, %.lr.ph ], [ %13, %12 ]
  %.089 = phi ptr [ %6, %.lr.ph ], [ %17, %12 ]
  %13 = getelementptr inbounds i8, ptr %.0710, i64 4
  %14 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %.0710)
  %15 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %16 = load float, ptr %15, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %.089, i64 4
  store float %16, ptr %.089, align 4, !tbaa !5
  %18 = add nuw nsw i32 %.011, 1
  %exitcond.not = icmp eq i32 %18, %8
  br i1 %exitcond.not, label %._crit_edge, label %12, !llvm.loop !9
}

declare noundef ptr @_ZN4oboe9flowgraph23FlowGraphPortFloatInput9getBufferEv(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN4oboe9flowgraph18FlowGraphPortFloat9getBufferEv(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4oboe9flowgraph13FlowGraphPort18getSamplesPerFrameEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

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" }
attributes #1 = { "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 = { 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 #3 = { inlinehint 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass