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

; 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

; Function Attrs: nounwind uwtable
define dso_local i32 @HAL_NAND_Read_Status(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  store i32 -2147483648, ptr %5, align 4, !tbaa !9
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = or i32 %8, 65536
  %10 = zext i32 %9 to i64
  %11 = inttoptr i64 %10 to ptr
  store volatile i8 112, ptr %11, align 1, !tbaa !11
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  %14 = inttoptr i64 %13 to ptr
  %15 = load volatile i8, ptr %14, align 1, !tbaa !11
  %16 = zext i8 %15 to i32
  store i32 %16, ptr %4, align 4, !tbaa !9
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = and i32 %17, 1
  %19 = icmp eq i32 %18, 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %1
  store i32 1, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %27

21:                                               ; preds = %1
  %22 = load i32, ptr %4, align 4, !tbaa !9
  %23 = and i32 %22, 64
  %24 = icmp eq i32 %23, 64
  br i1 %24, label %25, label %26

25:                                               ; preds = %21
  store i32 64, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %27

26:                                               ; preds = %21
  store i32 0, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %27

27:                                               ; preds = %26, %25, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %28 = load i32, ptr %2, align 4
  ret i32 %28
}

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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !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: nofree norecurse nounwind uwtable
define dso_local range(i32 0, 65) i32 @HAL_NAND_Read_Status(ptr nocapture noundef readnone %0) local_unnamed_addr #0 {
  store volatile i8 112, ptr inttoptr (i64 2147549184 to ptr), align 65536, !tbaa !5
  %2 = load volatile i8, ptr inttoptr (i64 2147483648 to ptr), align 2147483648, !tbaa !5
  %3 = zext i8 %2 to i32
  %4 = and i32 %3, 1
  %.not = icmp eq i32 %4, 0
  %5 = and i32 %3, 64
  %.0 = select i1 %.not, i32 %5, i32 1
  ret i32 %.0
}

attributes #0 = { nofree norecurse 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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