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

; 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._USBH_HandleTypeDef = type { i32, i32, i32, %struct.USBH_CtrlTypeDef, %struct.USBH_DeviceTypeDef, [1 x ptr], ptr, i32, [16 x i32], i32, i32, i8, ptr, ptr }
%struct.USBH_CtrlTypeDef = type { i8, i8, i8, ptr, i16, i16, %union._USB_Setup, i32, i8 }
%union._USB_Setup = type { [2 x i32] }
%struct.USBH_DeviceTypeDef = type { [256 x i8], [512 x i8], i8, i8, i8, i8, i8, i8, i8, i8, i8, %struct._DeviceDescriptor, %struct._ConfigurationDescriptor }
%struct._DeviceDescriptor = type { i8, i8, i16, i8, i8, i8, i8, i16, i16, i16, i8, i8, i8, i8 }
%struct._ConfigurationDescriptor = type { i8, i8, i16, i8, i8, i8, i8, i8, [2 x %struct._InterfaceDescriptor] }
%struct._InterfaceDescriptor = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, [2 x %struct._EndpointDescriptor] }
%struct._EndpointDescriptor = type { i8, i8, i8, i8, i16, i8 }
%struct.HCD_HandleTypeDef = type { ptr, %struct.USB_OTG_CfgTypeDef, [16 x %struct.USB_OTG_HCTypeDef], i32, i32, i32, ptr }
%struct.USB_OTG_CfgTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
%struct.USB_OTG_HCTypeDef = type { i8, i8, i8, i8, i8, i8, i8, i8, i16, i8, ptr, i32, i32, i8, i8, i32, i32, i32, i32 }

; 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: nounwind uwtable
define dso_local zeroext i8 @USBH_LL_GetToggle(ptr noundef %0, i8 noundef zeroext %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i8 %1, ptr %4, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  store i8 0, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct._USBH_HandleTypeDef, ptr %7, i32 0, i32 12
  %9 = load ptr, ptr %8, align 8, !tbaa !10
  store ptr %9, ptr %6, align 8, !tbaa !5
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.HCD_HandleTypeDef, ptr %10, i32 0, i32 2
  %12 = load i8, ptr %4, align 1, !tbaa !9
  %13 = zext i8 %12 to i64
  %14 = getelementptr inbounds [16 x %struct.USB_OTG_HCTypeDef], ptr %11, i64 0, i64 %13
  %15 = getelementptr inbounds %struct.USB_OTG_HCTypeDef, ptr %14, i32 0, i32 3
  %16 = load i8, ptr %15, align 1, !tbaa !18
  %17 = icmp ne i8 %16, 0
  br i1 %17, label %18, label %26

18:                                               ; preds = %2
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.HCD_HandleTypeDef, ptr %19, i32 0, i32 2
  %21 = load i8, ptr %4, align 1, !tbaa !9
  %22 = zext i8 %21 to i64
  %23 = getelementptr inbounds [16 x %struct.USB_OTG_HCTypeDef], ptr %20, i64 0, i64 %22
  %24 = getelementptr inbounds %struct.USB_OTG_HCTypeDef, ptr %23, i32 0, i32 13
  %25 = load i8, ptr %24, align 8, !tbaa !20
  store i8 %25, ptr %5, align 1, !tbaa !9
  br label %34

26:                                               ; preds = %2
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.HCD_HandleTypeDef, ptr %27, i32 0, i32 2
  %29 = load i8, ptr %4, align 1, !tbaa !9
  %30 = zext i8 %29 to i64
  %31 = getelementptr inbounds [16 x %struct.USB_OTG_HCTypeDef], ptr %28, i64 0, i64 %30
  %32 = getelementptr inbounds %struct.USB_OTG_HCTypeDef, ptr %31, i32 0, i32 14
  %33 = load i8, ptr %32, align 1, !tbaa !21
  store i8 %33, ptr %5, align 1, !tbaa !9
  br label %34

34:                                               ; preds = %26, %18
  %35 = load i8, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i8 %35
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !6, i64 1016}
!11 = !{!"_USBH_HandleTypeDef", !12, i64 0, !12, i64 4, !12, i64 8, !13, i64 16, !15, i64 56, !7, i64 920, !6, i64 928, !12, i64 936, !7, i64 940, !12, i64 1004, !12, i64 1008, !7, i64 1012, !6, i64 1016, !6, i64 1024}
!12 = !{!"int", !7, i64 0}
!13 = !{!"", !7, i64 0, !7, i64 1, !7, i64 2, !6, i64 8, !14, i64 16, !14, i64 18, !7, i64 20, !12, i64 28, !7, i64 32}
!14 = !{!"short", !7, i64 0}
!15 = !{!"", !7, i64 0, !7, i64 256, !7, i64 768, !7, i64 769, !7, i64 770, !7, i64 771, !7, i64 772, !7, i64 773, !7, i64 774, !7, i64 775, !7, i64 776, !16, i64 778, !17, i64 796}
!16 = !{!"_DeviceDescriptor", !7, i64 0, !7, i64 1, !14, i64 2, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7, !14, i64 8, !14, i64 10, !14, i64 12, !7, i64 14, !7, i64 15, !7, i64 16, !7, i64 17}
!17 = !{!"_ConfigurationDescriptor", !7, i64 0, !7, i64 1, !14, i64 2, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7, !7, i64 8, !7, i64 10}
!18 = !{!19, !7, i64 3}
!19 = !{!"", !7, i64 0, !7, i64 1, !7, i64 2, !7, i64 3, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7, !14, i64 8, !7, i64 10, !6, i64 16, !12, i64 24, !12, i64 28, !7, i64 32, !7, i64 33, !12, i64 36, !12, i64 40, !12, i64 44, !12, i64 48}
!20 = !{!19, !7, i64 32}
!21 = !{!19, !7, i64 33}


; 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.USB_OTG_HCTypeDef = type { i8, i8, i8, i8, i8, i8, i8, i8, i16, i8, ptr, i32, i32, i8, i8, i32, i32, i32, i32 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local zeroext i8 @USBH_LL_GetToggle(ptr nocapture noundef readonly %0, i8 noundef zeroext %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 1016
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 64
  %6 = zext i8 %1 to i64
  %7 = getelementptr inbounds [16 x %struct.USB_OTG_HCTypeDef], ptr %5, i64 0, i64 %6
  %8 = getelementptr inbounds i8, ptr %7, i64 3
  %9 = load i8, ptr %8, align 1, !tbaa !16
  %.not = icmp eq i8 %9, 0
  %.0.in.v = select i1 %.not, i64 33, i64 32
  %.0.in = getelementptr inbounds i8, ptr %7, i64 %.0.in.v
  %.0 = load i8, ptr %.0.in, align 1, !tbaa !18
  ret i8 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) 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, !11, i64 1016}
!6 = !{!"_USBH_HandleTypeDef", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !13, i64 56, !8, i64 920, !11, i64 928, !7, i64 936, !8, i64 940, !7, i64 1004, !7, i64 1008, !8, i64 1012, !11, i64 1016, !11, i64 1024}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"", !8, i64 0, !8, i64 1, !8, i64 2, !11, i64 8, !12, i64 16, !12, i64 18, !8, i64 20, !7, i64 28, !8, i64 32}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!"", !8, i64 0, !8, i64 256, !8, i64 768, !8, i64 769, !8, i64 770, !8, i64 771, !8, i64 772, !8, i64 773, !8, i64 774, !8, i64 775, !8, i64 776, !14, i64 778, !15, i64 796}
!14 = !{!"_DeviceDescriptor", !8, i64 0, !8, i64 1, !12, i64 2, !8, i64 4, !8, i64 5, !8, i64 6, !8, i64 7, !12, i64 8, !12, i64 10, !12, i64 12, !8, i64 14, !8, i64 15, !8, i64 16, !8, i64 17}
!15 = !{!"_ConfigurationDescriptor", !8, i64 0, !8, i64 1, !12, i64 2, !8, i64 4, !8, i64 5, !8, i64 6, !8, i64 7, !8, i64 8, !8, i64 10}
!16 = !{!17, !8, i64 3}
!17 = !{!"", !8, i64 0, !8, i64 1, !8, i64 2, !8, i64 3, !8, i64 4, !8, i64 5, !8, i64 6, !8, i64 7, !12, i64 8, !8, i64 10, !11, i64 16, !7, i64 24, !7, i64 28, !8, i64 32, !8, i64 33, !7, i64 36, !7, i64 40, !7, i64 44, !7, i64 48}
!18 = !{!8, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass