}
			args[i] = arg
		}

		switch verb {
		case "CFLAGS", "CPPFLAGS", "CXXFLAGS", "FFLAGS", "LDFLAGS":
			// Change relative paths to absolute.
			ctxt.makePathsAbsolute(args, di.Dir)
		}

		switch verb {
		case "CFLAGS":
			di.CgoCFLAGS = append(di.CgoCFLAGS, args...)
		case "CPPFLAGS":
			di.CgoCPPFLAGS = append(di.CgoCPPFLAGS, args...)

		}
	case "darwin", "ios":
		f, err := macho.Open(obj)
		if err != nil {
			t.Fatal(err)
		}
		defer f.Close()
		if f.Flags&macho.FlagDyldLink == 0 {
			t.Error("PIE must have DyldLink flag, but not")
		}
		if f.Flags&macho.FlagPIE == 0 {
			t.Error("PIE must have PIE flag, but not")
		}
	case "windows":
		f, err := pe.Open(obj)
		if err != nil {
			t.Fatal(err)

	}
	if strings.HasPrefix(s, "sizeof_") {
		return "sizeof(" + cname(s[len("sizeof_"):]) + ")"
	}
	return s
}

// ProcessCgoDirectives processes the import C preamble:
//  1. discards all #cgo CFLAGS, LDFLAGS, nocallback and noescape directives,
//     so they don't make their way into _cgo_export.h.
//  2. parse the nocallback and noescape directives.
func (f *File) ProcessCgoDirectives() {

			// Generate a PIC stub. This is ugly as the stub must determine its location using
			// POWER8 or older instruction. These stubs are likely the combination of using
			// GOPPC64 < 8 and linking external objects built with CFLAGS="... -mcpu=power10 ..."
			stub.AddUint32(ctxt.Arch, OP_MFLR_R0)  // mflr r0
			stub.AddUint32(ctxt.Arch, OP_BCL_NIA)  // bcl 20,31,1f

}

// Parsing.

// Parse parses a regular expression string s, controlled by the specified
// Flags, and returns a regular expression parse tree. The syntax is
// described in the top-level comment.
func Parse(s string, flags Flags) (*Regexp, error) {
	return parse(s, flags)
}

func parse(s string, flags Flags) (_ *Regexp, err error) {
	defer func() {
		switch r := recover(); r {
		default:
			panic(r)

		{name: "ADDSconstflags", argLength: 1, reg: gp11flags, typ: "(UInt64,Flags)", asm: "ADDS", aux: "Int64"},      // arg0+auxint, set flags.
		{name: "ADDSflags", argLength: 2, reg: gp21flags, typ: "(UInt64,Flags)", asm: "ADDS", commutative: true},      // arg0+arg1, set flags.
		{name: "SUB", argLength: 2, reg: gp21, asm: "SUB"},                                                            // arg0 - arg1

func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := syscall_syscall6(libc_recvfrom_trampoline_addr, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))

func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := syscall_syscall6(libc_recvfrom_trampoline_addr, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))

        ],
        "//conditions:default": [
            "//tensorflow/core:graph",
        ],
    }),
)

cc_library(
    name = "flags",
    srcs = ["flags.cc"],
    hdrs = ["flags.h"],
    visibility = [":friends"],
    deps = [
        "//tensorflow/compiler/mlir/tensorflow:dump_graph",
        "//tensorflow/core:framework_internal",

			runenv = append(runenv, "GODEBUG="+godebug)

		default:
			flags = append(flags, args[0])
		}
		args = args[1:]
	}
	if action == "errorcheck" {
		found := false
		for i, f := range flags {
			if strings.HasPrefix(f, "-d=") {
				flags[i] = f + ",ssa/check/on"
				found = true
				break
			}
		}
		if !found {
			flags = append(flags, "-d=ssa/check/on")
		}
	}

	tempDir := t.TempDir()