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

; 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.clkDomain = type { i8, i32, ptr, i32, i32, [80 x ptr] }

@clockDomainList = external global [0 x ptr], align 8

; 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 @clkdomainGateStatus(i32 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = zext i32 %6 to i64
  %8 = getelementptr inbounds [0 x ptr], ptr @clockDomainList, i64 0, i64 %7
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  store ptr %9, ptr %4, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !9
  %11 = getelementptr inbounds %struct.clkDomain, ptr %10, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = load volatile i32, ptr %12, align 4, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.clkDomain, ptr %14, i32 0, i32 4
  %16 = load i32, ptr %15, align 4, !tbaa !13
  %17 = and i32 %13, %16
  %18 = icmp eq i32 0, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %1
  store i32 1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %21

20:                                               ; preds = %1
  store i32 0, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %21

21:                                               ; preds = %20, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  %22 = load i32, ptr %2, align 4
  ret i32 %22
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"clkDomain", !7, i64 0, !6, i64 4, !10, i64 8, !6, i64 16, !6, i64 20, !7, i64 24}
!13 = !{!12, !6, i64 20}


; 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"

@clockDomainList = external local_unnamed_addr global [0 x ptr], align 8

; Function Attrs: mustprogress nofree norecurse nounwind willreturn uwtable
define dso_local range(i32 0, 2) i32 @clkdomainGateStatus(i32 noundef %0) local_unnamed_addr #0 {
  %2 = zext i32 %0 to i64
  %3 = getelementptr inbounds [0 x ptr], ptr @clockDomainList, i64 0, i64 %2
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = load volatile i32, ptr %6, align 4, !tbaa !12
  %8 = getelementptr inbounds i8, ptr %4, i64 20
  %9 = load i32, ptr %8, align 4, !tbaa !13
  %10 = and i32 %9, %7
  %11 = icmp eq i32 %10, 0
  %. = zext i1 %11 to i32
  ret i32 %.
}

attributes #0 = { mustprogress nofree norecurse nounwind willreturn 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/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"clkDomain", !7, i64 0, !11, i64 4, !6, i64 8, !11, i64 16, !11, i64 20, !7, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 20}


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