// SetURL routes the outbound request to the scheme, host, and base path
// provided in target. If the target's path is "/base" and the incoming
// request was for "/dir", the target request will be for "/base/dir".
//
// SetURL rewrites the outbound Host header to match the target's host.
// To preserve the inbound request's Host header (the default behavior
// of [NewSingleHostReverseProxy]):
//
//	rewriteFunc := func(r *httputil.ProxyRequest) {

    return success();

  // Move the compile op launch right before our op.
  compile_launch_op->moveBefore(preprocess_op);

  return success();
}

// Rewrites the program_key input of `preprocess_op` to use the output of
// _TPUCompileMlir.
void RewritePreprocessInputs(OpBuilder* builder, func::FuncOp func_op,
                             Operation* preprocess_op) {

	p := &onePassProg{
		Start:  prog.Start,
		NumCap: prog.NumCap,
		Inst:   make([]onePassInst, len(prog.Inst)),
	}
	for i, inst := range prog.Inst {
		p.Inst[i] = onePassInst{Inst: inst}
	}

	// rewrites one or more common Prog constructs that enable some otherwise
	// non-onepass Progs to be onepass. A:BD (for example) means an InstAlt at
	// ip A, that points to ips B & C.
	// A:BC + B:DA => A:BC + B:CD

      main_graph->AddControlEdge(copy, xla_computation_node);
    }
  };
  ReverseDFS(*host_graph, /*enter=*/nullptr, copy_node_fn, NodeComparatorID());
  return s;
}

// Rewrites shape inference graph for outside compilation:
// 1) If XlaSendFromHost also exists in `host_graph`, copy nodes from
//    `host_graph`. Because we might still have outside compilation to outside

	temp []*ir.Name            // stack of temporary variables
	free map[string][]*ir.Name // free list of unused temporaries, by type.LinkString().
	edit func(ir.Node) ir.Node // cached closure of o.exprNoLHS
}

// order rewrites fn.Nbody to apply the ordering constraints
// described in the comment at the top of the file.
func order(fn *ir.Func) {
	if base.Flag.W > 1 {
		s := fmt.Sprintf("\nbefore order %v", fn.Sym())
		ir.DumpList(s, fn.Body)

	}
}

// canonicalize returns the canonical name used for a linker symbol in
// s's maps. Symbols in this package may be written either as "".X or
// with the package's import path already in the symbol. This rewrites
// both to use the full path, which matches compiler-generated linker
// symbol names.
func (s *SymABIs) canonicalize(linksym string) string {
	if strings.HasPrefix(linksym, `"".`) {

	s.currentPodSnapshot.Ensure(string(pod.UID))
	openNetns, err := s.getOrOpenNetns(pod, netNs)
	if err != nil {
		return err
	}

	// Handle node healthcheck probe rewrites
	_, err = addPodToHostNSIpset(pod, podIPs, &s.hostsideProbeIPSet)
	if err != nil {
		log.Errorf("failed to add pod to ipset: %s/%s %v", pod.Namespace, pod.Name, err)
		return err
	}

           "globally unique within a process, not just within a module.">
  ];
}

def ConvertLaunchFuncToTFCallPass : Pass<"tf-device-convert-launch-func-to-tf-call", "ModuleOp"> {
  let summary = "Rewrites tf_device::LaunchFuncOp to TF::PartitionedCallOp";

  let description = [{
    This pass converts tf_device::LaunchFuncOp into an equivalent
    TF::PartitionedCallOp so that it can be exported to TensorFlow GraphDef.

	}
	casePC := func(casi int) uintptr {
		if pcs == nil {
			return 0
		}
		return pcs[casi]
	}

	var t0 int64
	if blockprofilerate > 0 {
		t0 = cputicks()
	}

	// The compiler rewrites selects that statically have
	// only 0 or 1 cases plus default into simpler constructs.
	// The only way we can end up with such small sel.ncase
	// values here is for a larger select in which most channels

)

// type checks the whole tree of an expression.
// calculates expression types.
// evaluates compile time constants.
// marks variables that escape the local frame.
// rewrites n.Op to be more specific in some cases.

func typecheckslice(l []ir.Node, top int) {
	for i := range l {
		l[i] = typecheck(l[i], top)
	}
}

var _typekind = []string{
	types.TINT:        "int",