; LLVM IR from kdrag0n/fxdsp :: external/oboe/src/fifo/FifoController.ll (ZN4oboe14FifoControllerC2Ej)

; 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::FifoController" = type { %"class.oboe::FifoControllerBase.base", %"struct.std::atomic", %"struct.std::atomic" }
%"class.oboe::FifoControllerBase.base" = type <{ ptr, i32 }>
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i64 }

@_ZTVN4oboe14FifoControllerE = external dso_local unnamed_addr constant { [10 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4oboe14FifoControllerC2Ej(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  %8 = load i32, ptr %4, align 4, !tbaa !9
  call void @_ZN4oboe18FifoControllerBaseC2Ej(ptr noundef nonnull align 8 dereferenceable(12) %7, i32 noundef %8)
  store ptr getelementptr inbounds inrange(-16, 64) ({ [10 x ptr] }, ptr @_ZTVN4oboe14FifoControllerE, i32 0, i32 0, i32 2), ptr %7, align 8, !tbaa !11
  %9 = getelementptr inbounds %"class.oboe::FifoController", ptr %7, i32 0, i32 1
  call void @llvm.memset.p0.i64(ptr align 8 %9, i8 0, i64 8, i1 false)
  %10 = getelementptr inbounds %"class.oboe::FifoController", ptr %7, i32 0, i32 2
  call void @llvm.memset.p0.i64(ptr align 8 %10, i8 0, i64 8, i1 false)
  %11 = load ptr, ptr %7, align 8, !tbaa !11
  %12 = getelementptr inbounds ptr, ptr %11, i64 3
  %13 = load ptr, ptr %12, align 8
  invoke void %13(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef 0)
          to label %14 unwind label %19

14:                                               ; preds = %2
  %15 = load ptr, ptr %7, align 8, !tbaa !11
  %16 = getelementptr inbounds ptr, ptr %15, i64 6
  %17 = load ptr, ptr %16, align 8
  invoke void %17(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef 0)
          to label %18 unwind label %19

18:                                               ; preds = %14
  ret void

19:                                               ; preds = %14, %2
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %5, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %6, align 4
  call void @_ZN4oboe18FifoControllerBaseD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %7) #4
  br label %23

23:                                               ; preds = %19
  %24 = load ptr, ptr %5, align 8
  %25 = load i32, ptr %6, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

declare void @_ZN4oboe18FifoControllerBaseC2Ej(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef) unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4oboe18FifoControllerBaseD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #3 align 2

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 = !{!"vtable pointer", !8, 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"

@_ZTVN4oboe14FifoControllerE = external dso_local unnamed_addr constant { [10 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4oboe14FifoControllerC2Ej(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN4oboe18FifoControllerBaseC2Ej(ptr noundef nonnull align 8 dereferenceable(12) %0, i32 noundef %1)
  store ptr getelementptr inbounds inrange(-16, 64) (i8, ptr @_ZTVN4oboe14FifoControllerE, i64 16), ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %3, i8 0, i64 16, i1 false)
  %4 = load ptr, ptr getelementptr inbounds inrange(-40, 40) (i8, ptr @_ZTVN4oboe14FifoControllerE, i64 40), align 8
  invoke void %4(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0)
          to label %5 unwind label %10

5:                                                ; preds = %2
  %6 = load ptr, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 48
  %8 = load ptr, ptr %7, align 8
  invoke void %8(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0)
          to label %9 unwind label %10

9:                                                ; preds = %5
  ret void

10:                                               ; preds = %5, %2
  %11 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN4oboe18FifoControllerBaseD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) #4
  resume { ptr, i32 } %11
}

declare void @_ZN4oboe18FifoControllerBaseC2Ej(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef) unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4oboe18FifoControllerBaseD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #3 align 2

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 nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass