; LLVM IR from lichen-community-systems/signaletic :: hosts/daisy/vendor/libDaisy/src/hid (audio)

; 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.daisy::AudioHandle::Config" = type <{ i64, i32, float, float, [4 x i8] }>
%"class.daisy::SaiHandle" = type { ptr }
%"class.daisy::AudioHandle::Impl" = type { ptr, ptr, %"struct.daisy::AudioHandle::Config", %"class.daisy::SaiHandle", %"class.daisy::SaiHandle", [2 x ptr], [2 x ptr], float, float }

@_ZN5daisyL19dsy_audio_rx_bufferE = external hidden global [2 x [1024 x i32]], section ".sram1_bss", align 16
@_ZN5daisyL19dsy_audio_tx_bufferE = external hidden global [2 x [1024 x i32]], section ".sram1_bss", align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleE(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef byval(%"struct.daisy::AudioHandle::Config") align 8, ptr) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleES3_(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef byval(%"struct.daisy::AudioHandle::Config") align 8 %1, ptr %2, ptr %3) #0 align 2 {
  %5 = alloca %"class.daisy::SaiHandle", align 8
  %6 = alloca %"class.daisy::SaiHandle", align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"struct.daisy::AudioHandle::Config", align 8
  %9 = alloca %"class.daisy::SaiHandle", align 8
  %10 = getelementptr inbounds %"class.daisy::SaiHandle", ptr %5, i32 0, i32 0
  store ptr %2, ptr %10, align 8
  %11 = getelementptr inbounds %"class.daisy::SaiHandle", ptr %6, i32 0, i32 0
  store ptr %3, ptr %11, align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  %12 = load ptr, ptr %7, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %5, i64 8, i1 false), !tbaa.struct !16
  %13 = getelementptr inbounds %"class.daisy::SaiHandle", ptr %9, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8
  %15 = call noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleE(ptr noundef nonnull align 8 dereferenceable(96) %12, ptr noundef byval(%"struct.daisy::AudioHandle::Config") align 8 %8, ptr %14)
  %16 = getelementptr inbounds %"class.daisy::AudioHandle::Impl", ptr %12, i32 0, i32 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 8 %6, i64 8, i1 false), !tbaa.struct !16
  %17 = getelementptr inbounds %"class.daisy::AudioHandle::Impl", ptr %12, i32 0, i32 5
  %18 = getelementptr inbounds [2 x ptr], ptr %17, i64 0, i64 1
  store ptr getelementptr inbounds ([2 x [1024 x i32]], ptr @_ZN5daisyL19dsy_audio_rx_bufferE, i64 0, i64 1), ptr %18, align 8, !tbaa !5
  %19 = getelementptr inbounds %"class.daisy::AudioHandle::Impl", ptr %12, i32 0, i32 6
  %20 = getelementptr inbounds [2 x ptr], ptr %19, i64 0, i64 1
  store ptr getelementptr inbounds ([2 x [1024 x i32]], ptr @_ZN5daisyL19dsy_audio_tx_bufferE, i64 0, i64 1), ptr %20, align 8, !tbaa !5
  ret i32 0
}

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 nounwind willreturn memory(argmem: readwrite) }

!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 = !{i64 0, i64 8, !10, i64 8, i64 4, !12, i64 12, i64 4, !14, i64 16, i64 4, !14}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"_ZTSN5daisy9SaiHandle6Config10SampleRateE", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"float", !7, i64 0}
!16 = !{i64 0, i64 8, !5}


; 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.daisy::AudioHandle::Config" = type <{ i64, i32, float, float, [4 x i8] }>

@_ZN5daisyL19dsy_audio_rx_bufferE = external hidden global [2 x [1024 x i32]], section ".sram1_bss", align 16
@_ZN5daisyL19dsy_audio_tx_bufferE = external hidden global [2 x [1024 x i32]], section ".sram1_bss", align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleE(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef byval(%"struct.daisy::AudioHandle::Config") align 8, ptr) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleES3_(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr nocapture noundef readonly byval(%"struct.daisy::AudioHandle::Config") align 8 %1, ptr %2, ptr %3) local_unnamed_addr #0 align 2 {
  %5 = tail call noundef i32 @_ZN5daisy11AudioHandle4Impl4InitENS0_6ConfigENS_9SaiHandleE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull byval(%"struct.daisy::AudioHandle::Config") align 8 %1, ptr %2)
  %6 = getelementptr inbounds i8, ptr %0, i64 48
  store ptr %3, ptr %6, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 64
  store ptr getelementptr inbounds (i8, ptr @_ZN5daisyL19dsy_audio_rx_bufferE, i64 4096), ptr %7, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 80
  store ptr getelementptr inbounds (i8, ptr @_ZN5daisyL19dsy_audio_tx_bufferE, i64 4096), ptr %8, align 8, !tbaa !5
  ret i32 0
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass