cpos++;
        }
        return true;
    }

    public boolean lookingAt(Pattern pattern) {
        Matcher m = pattern.matcher(input);
        m.region(pos, input.length());
        return m.lookingAt();
    }

    public String region() {
        return input.substring(markPos, pos);
    }

    /**
     * Moves the position to the next instance of the given character, or the end of the input if not found.

	if location == "" {
		location = globalSite.Region()
	}
	if !isValidLocation(location) {
		return location, ErrInvalidRegion
	}

	return location, ErrNone
}

// Validates input location is same as configured region
// of MinIO server.
func isValidLocation(location string) bool {
	region := globalSite.Region()
	return region == "" || region == location
}

}

const localityFailover = `
failover:
- from: region
  to: nearregion`

const failoverPriority = `
failoverPriority:
- "topology.kubernetes.io/region"
- "topology.kubernetes.io/zone"
- "topology.istio.io/subzone"`

const localityDistribute = `
distribute:
- from: region
  to:
    nearregion: 80
    region: 20`

func TestLocality(t *testing.T) {
	// nolint: staticcheck

  // multiple TPU clusters.
  Region* region = (*forward_pass_ops.begin())->getParentRegion();
  StringAttr replication_attr = GetReplicationAttr(*forward_pass_ops.begin());
  llvm::SmallVector<Operation*> checkset(forward_pass_ops.getArrayRef());
  checkset.append(backward_pass_ops.begin(), backward_pass_ops.end());
  for (Operation* op : checkset) {
    if (op->getParentRegion() != region) {

    return a->isBeforeInBlock(b);
  });
}

void SideEffectAnalysisInfo::AnalyzeRegion(Region* region) {
  // We explicitly iterate through the regions and blocks in order to handle
  // different nested regions separately.
  for (Block& block : *region) {
    for (Operation& op : block) {
      for (Region& child_region : op.getRegions()) {
        SideEffectAnalysisInfo child_analysis(

    The `tf_executor.island` region allows implicit capture. If any value
    captured by a `tf_executor.island` is dead, the whole region does not
    execute and every produced value is marked as dead as well.
    An arbitrary number of `tf_executor.control` operands are accepted by a
    `tf_executor.island` operation.
    If any operand or implicitly captured value are dead, the region is not

		{
			name:     "with label",
			label:    "region/zone/subzone-1",
			expected: "region/zone/subzone-1",
		},
		{
			name:     "label with k8s label separator",
			label:    "region" + k8sSeparator + "zone" + k8sSeparator + "subzone-2",
			expected: "region/zone/subzone-2",
		},
		{
			name:     "label with both k8s label separators and slashes",
			label:    "region/zone/subzone.2",
			expected: "region/zone/subzone.2",

		0,             // offsetLow
		uintptr(size), // length
	)
	if err != nil {
		syscall.CloseHandle(mapObj)
		return nil, err
	}

	region := unsafe.Slice((*byte)(unsafe.Pointer(addr)), size)
	return &sharedMem{
		f:             f,
		region:        region,
		removeOnClose: removeOnClose,
		sys:           sharedMemSys{mapObj: mapObj},
	}, nil
}

	// Set the "Server" http header.
	w.Header().Set(xhttp.ServerInfo, MinioStoreName)

	// Set `x-amz-bucket-region` only if region is set on the server
	// by default minio uses an empty region.
	if region := globalSite.Region(); region != "" {
		w.Header().Set(xhttp.AmzBucketRegion, region)
	}
	w.Header().Set(xhttp.AcceptRanges, "bytes")

	// Remove sensitive information
	crypto.RemoveSensitiveHeaders(w.Header())
}

        }
        // Transfer the annotation to both region arguments
        for (Region* region : while_region.getRegions()) {
          BlockArgument arg = region->getArgument(output_index);
          LLVM_DEBUG(llvm::dbgs()
                     << "  Propagating device = '" << *device << "' to arg #"
                     << output_index << " of region #"
                     << region->getRegionNumber() << "\n");