; LLVM IR from lichen-community-systems/signaletic :: hosts/daisy/vendor/libDaisy/Drivers/STM32H7xx_HAL_Driver/Src (usb)

; 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

declare void @HAL_Delay(i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @USB_ResetPort(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = ptrtoint ptr %5 to i32
  store i32 %6, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store volatile i32 0, ptr %4, align 4, !tbaa !9
  %7 = load i32, ptr %3, align 4, !tbaa !9
  %8 = zext i32 %7 to i64
  %9 = add i64 %8, 1088
  %10 = inttoptr i64 %9 to ptr
  %11 = load volatile i32, ptr %10, align 4, !tbaa !9
  store volatile i32 %11, ptr %4, align 4, !tbaa !9
  %12 = load volatile i32, ptr %4, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  %14 = and i64 %13, -47
  %15 = trunc i64 %14 to i32
  store volatile i32 %15, ptr %4, align 4, !tbaa !9
  %16 = load volatile i32, ptr %4, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = or i64 256, %17
  %19 = trunc i64 %18 to i32
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = zext i32 %20 to i64
  %22 = add i64 %21, 1088
  %23 = inttoptr i64 %22 to ptr
  store volatile i32 %19, ptr %23, align 4, !tbaa !9
  call void @HAL_Delay(i32 noundef 100)
  %24 = load volatile i32, ptr %4, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = and i64 -257, %25
  %27 = trunc i64 %26 to i32
  %28 = load i32, ptr %3, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = add i64 %29, 1088
  %31 = inttoptr i64 %30 to ptr
  store volatile i32 %27, ptr %31, align 4, !tbaa !9
  call void @HAL_Delay(i32 noundef 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret i32 0
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, 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"

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

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

declare void @HAL_Delay(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @USB_ResetPort(ptr noundef %0) local_unnamed_addr #2 {
  %2 = alloca i32, align 4
  %3 = ptrtoint ptr %0 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2)
  store volatile i32 0, ptr %2, align 4, !tbaa !5
  %4 = and i64 %3, 4294967295
  %5 = add nuw nsw i64 %4, 1088
  %6 = inttoptr i64 %5 to ptr
  %7 = load volatile i32, ptr %6, align 4, !tbaa !5
  store volatile i32 %7, ptr %2, align 4, !tbaa !5
  %.0..0..0..0. = load volatile i32, ptr %2, align 4, !tbaa !5
  %8 = and i32 %.0..0..0..0., -47
  store volatile i32 %8, ptr %2, align 4, !tbaa !5
  %.0..0..0..0.1 = load volatile i32, ptr %2, align 4, !tbaa !5
  %9 = or i32 %.0..0..0..0.1, 256
  store volatile i32 %9, ptr %6, align 4, !tbaa !5
  tail call void @HAL_Delay(i32 noundef 100) #3
  %.0..0..0..0.2 = load volatile i32, ptr %2, align 4, !tbaa !5
  %10 = and i32 %.0..0..0..0.2, -257
  store volatile i32 %10, ptr %6, align 4, !tbaa !5
  tail call void @HAL_Delay(i32 noundef 10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2)
  ret i32 0
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass