; LLVM IR from lfarcaro/ARINC653_ARMV7A_AM335X :: Hardware (ctlregcontext_bb)

; 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.ctrlRegContext = type { i32, i32, [211 x %struct.ioPadMap] }
%struct.ioPadMap = type { 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 void @IOPadSel(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = sub i32 %8, 2048
  %10 = udiv i32 %9, 4
  store i32 %10, ptr %7, align 4, !tbaa !9
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = icmp ne i32 %11, 0
  br i1 %12, label %20, label %13

13:                                               ; preds = %3
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.ctrlRegContext, ptr %14, i32 0, i32 2
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds [211 x %struct.ioPadMap], ptr %15, i64 0, i64 %17
  %19 = getelementptr inbounds %struct.ioPadMap, ptr %18, i32 0, i32 1
  store i32 0, ptr %19, align 4, !tbaa !11
  br label %27

20:                                               ; preds = %3
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.ctrlRegContext, ptr %21, i32 0, i32 2
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds [211 x %struct.ioPadMap], ptr %22, i64 0, i64 %24
  %26 = getelementptr inbounds %struct.ioPadMap, ptr %25, i32 0, i32 1
  store i32 1, ptr %26, align 4, !tbaa !11
  br label %27

27:                                               ; preds = %20, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret void
}

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 = !{!12, !10, i64 4}
!12 = !{!"ioPadMap", !10, i64 0, !10, i64 4}


; 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.ioPadMap = type { i32, i32 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @IOPadSel(ptr nocapture noundef writeonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = add i32 %1, -2048
  %5 = lshr i32 %4, 2
  %.not = icmp ne i32 %2, 0
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = zext nneg i32 %5 to i64
  %8 = getelementptr inbounds [211 x %struct.ioPadMap], ptr %6, i64 0, i64 %7, i32 1
  %. = zext i1 %.not to i32
  store i32 %., ptr %8, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !7, i64 4}
!6 = !{!"ioPadMap", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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