// clobber generates code to clobber pointer slots in all dead variables
// (those not marked in live). Clobbering instructions are added to the end
// of b.Values.
func clobber(lv *liveness, b *ssa.Block, live bitvec.BitVec) {
	for i, n := range lv.vars {
		if !live.Get(int32(i)) && !n.Addrtaken() && !n.OpenDeferSlot() && !n.IsOutputParamHeapAddr() {
			// Don't clobber stack objects (address-taken). They are
			// tracked dynamically.

	np uintptr
	x  [1023]int
}

var G int

//go:noinline
func clobber() {
	G++
}

func ABC(i, j int) int {
	r := 0

	// here v2 and v3 can be overlapped.
	clobber()
	if i < 101 {
		var v2 Vanilla
		v2.x[i] = j
		r += v2.x[j]
	}
	if j != 303 {
		var v3 Vanilla2
		v3.x[i] = j
		r += v3.x[j]
	}
	clobber()

	// not an overlap candidate (only one var of this size).
	var s Single

(MOVBQZX x:(MOVBload [off] {sym} ptr mem)) && x.Uses == 1 && clobber(x) => @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
(MOVBQZX x:(MOVWload [off] {sym} ptr mem)) && x.Uses == 1 && clobber(x) => @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
(MOVBQZX x:(MOVLload [off] {sym} ptr mem)) && x.Uses == 1 && clobber(x) => @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)

// Package framepointer defines an Analyzer that reports assembly code
// that clobbers the frame pointer before saving it.
package framepointer

import (
	"go/build"
	"regexp"
	"strings"

	"golang.org/x/tools/go/analysis"
	"golang.org/x/tools/go/analysis/passes/internal/analysisutil"
)

const Doc = "report assembly that clobbers the frame pointer before saving it"

var Analyzer = &analysis.Analyzer{

				if elf.ProgType(phdr.Type) == elf.PT_NOTE {
					// Increase the size so we keep
					// reading notes.
					order.PutUint64(data[phoff+4*8:], phdr.Filesz+1)

					// Clobber the Align field to zero.
					order.PutUint64(data[phoff+6*8:], 0)

					// Clobber the note type so we
					// keep reading notes.
					order.PutUint32(data[phdr.Off+12:], 0)
				}

				phoff += phsize
			}

		v = leftShift(loadBlock, pos, v, shift0-(n-1)*size*8)
	}

	// Install with (Copy v).
	root.reset(OpCopy)
	root.AddArg(v)

	// Clobber the loads, just to prevent additional work being done on
	// subtrees (which are now unreachable).
	for i := int64(0); i < n; i++ {
		clobber(r[i].load)
	}
	return true
}

func memcombineStores(f *Func) {
	mark := f.newSparseSet(f.NumValues())
	defer f.retSparseSet(mark)

		ctxt.mainInittasks = ctxt.inittaskSym([]string{fmt.Sprintf("%s..inittask", objabi.PathToPrefix(*flagPluginPath))}, "go:plugin.inittasks")
		// Make symbol local so multiple plugins don't clobber each other's inittask list.
		ctxt.loader.SetAttrLocal(ctxt.mainInittasks, true)
	case BuildModeShared:
		// For a shared library, all packages are roots.
		var roots []string
		for _, lib := range ctxt.Library {

	// cond: canMergeLoad(v, l) && clobber(l)
	// result: (CMPBload {sym} [off] ptr x mem)
	for {
		l := v_0
		if l.Op != OpAMD64MOVBload {
			break
		}
		off := auxIntToInt32(l.AuxInt)
		sym := auxToSym(l.Aux)
		mem := l.Args[1]
		ptr := l.Args[0]
		x := v_1
		if !(canMergeLoad(v, l) && clobber(l)) {
			break
		}
		v.reset(OpAMD64CMPBload)

	load_g
	MOVD	g_racectx(g), R0	// goroutine context
	BL	racecall<>(SB)
	MOVD	R21, R9	// restore the original function
	// Call the atomic function.
	// racecall will call LLVM race code which might clobber R28 (g)
	load_g
	MOVD	g_racectx(g), R0	// goroutine context
	MOVD	16(RSP), R1	// caller pc
	MOVD	R9, R2	// pc
	ADD	$40, RSP, R3	// arguments
	BL	racecall<>(SB)
	// Call __tsan_go_ignore_sync_end.

# * export DOCKER_ARCHITECTURES="linux/amd64,linux/arm64"
# Note: if you already have a container builder before running the qemu setup you will need to restart them
"${ROOT}/tools/docker" --push --no-cache --no-clobber --targets="${DOCKER_TARGETS}"

APKO_IMAGES=""
for h in ${HUBS}; do
  for t in ${TAGS:-$TAG}; do
    APKO_IMAGES+="${h}/iptables:$t "
  done
done