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opt / golang / 1.19.4 / src / cmd / compile / internal / ssa /

📁 ..
📄 README.md(8.14 KB)
📄 TODO(950 B)
📄 addressingmodes.go(23.64 KB)
📄 bench_test.go(531 B)
📄 biasedsparsemap.go(2.71 KB)
📄 block.go(11.1 KB)
📄 branchelim.go(11.98 KB)
📄 branchelim_test.go(5.21 KB)
📄 cache.go(2.46 KB)
📄 check.go(16.59 KB)
📄 checkbce.go(956 B)
📄 compile.go(18.19 KB)
📄 config.go(11.7 KB)
📄 copyelim.go(1.83 KB)
📄 copyelim_test.go(1.29 KB)
📄 critical.go(3.19 KB)
📄 cse.go(9.43 KB)
📄 cse_test.go(4.25 KB)
📄 deadcode.go(9.61 KB)
📄 deadcode_test.go(3.49 KB)
📄 deadstore.go(9.08 KB)
📄 deadstore_test.go(4.09 KB)
📄 debug.go(56.34 KB)
📄 debug_lines_test.go(8.29 KB)
📄 debug_test.go(28.75 KB)
📄 decompose.go(13.41 KB)
📄 dom.go(7.98 KB)
📄 dom_test.go(13.34 KB)
📄 expand_calls.go(63.5 KB)
📄 export_test.go(3.23 KB)
📄 flagalloc.go(6.68 KB)
📄 flags_amd64_test.s(533 B)
📄 flags_arm64_test.s(699 B)
📄 flags_test.go(2.49 KB)
📄 func.go(27.08 KB)
📄 func_test.go(13.07 KB)
📄 fuse.go(6.5 KB)
📄 fuse_branchredirect.go(3.24 KB)
📄 fuse_comparisons.go(4.04 KB)
📄 fuse_test.go(7.21 KB)
📁 gen
📄 html.go(34.72 KB)
📄 id.go(576 B)
📄 layout.go(4.82 KB)
📄 lca.go(3.77 KB)
📄 lca_test.go(1.65 KB)
📄 likelyadjust.go(15.24 KB)
📄 location.go(3.06 KB)
📄 loopbce.go(10.54 KB)
📄 loopreschedchecks.go(15.86 KB)
📄 looprotate.go(2.61 KB)
📄 lower.go(1.36 KB)
📄 magic.go(15.77 KB)
📄 magic_test.go(9.1 KB)
📄 nilcheck.go(11.06 KB)
📄 nilcheck_test.go(12.17 KB)
📄 numberlines.go(7.83 KB)
📄 op.go(18.65 KB)
📄 opGen.go(1.01 MB)
📄 opt.go(308 B)
📄 passbm_test.go(3.14 KB)
📄 phielim.go(1.48 KB)
📄 phiopt.go(8.08 KB)
📄 poset.go(37.2 KB)
📄 poset_test.go(18.14 KB)
📄 print.go(3.85 KB)
📄 prove.go(41.82 KB)
📄 regalloc.go(83.69 KB)
📄 regalloc_test.go(6.49 KB)
📄 rewrite.go(53.49 KB)
📄 rewrite386.go(289.01 KB)
📄 rewrite386splitload.go(4.05 KB)
📄 rewriteAMD64.go(888.95 KB)
📄 rewriteAMD64splitload.go(21.41 KB)
📄 rewriteARM.go(487.7 KB)
📄 rewriteARM64.go(751.84 KB)
📄 rewriteCond_test.go(10.62 KB)
📄 rewriteLOONG64.go(193.44 KB)
📄 rewriteMIPS.go(174.44 KB)
📄 rewriteMIPS64.go(195.55 KB)
📄 rewritePPC64.go(431.6 KB)
📄 rewriteRISCV64.go(159.66 KB)
📄 rewriteS390X.go(433.4 KB)
📄 rewriteWasm.go(109.86 KB)
📄 rewrite_test.go(6.91 KB)
📄 rewritedec.go(10.16 KB)
📄 rewritedec64.go(63.77 KB)
📄 rewritegeneric.go(617.96 KB)
📄 schedule.go(18.23 KB)
📄 schedule_test.go(2.91 KB)
📄 shift_test.go(4.05 KB)
📄 shortcircuit.go(12.63 KB)
📄 shortcircuit_test.go(1.31 KB)
📄 sizeof_test.go(855 B)
📄 softfloat.go(1.99 KB)
📄 sparsemap.go(1.98 KB)
📄 sparseset.go(1.54 KB)
📄 sparsetree.go(8.05 KB)
📄 stackalloc.go(12.79 KB)
📄 stackframe.go(290 B)
📄 stmtlines_test.go(2.96 KB)
📁 testdata
📄 tighten.go(4.3 KB)
📄 trim.go(4.24 KB)
📄 tuple.go(1.97 KB)
📄 value.go(15.21 KB)
📄 writebarrier.go(19.29 KB)
📄 writebarrier_test.go(1.75 KB)
📄 xposmap.go(3.29 KB)
📄 zcse.go(2.07 KB)
📄 zeroextension_test.go(1.66 KB)

Editing: export_test.go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ssa

import (
	"testing"

"cmd/compile/internal/ir"
	"cmd/compile/internal/typecheck"
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/obj/arm64"
	"cmd/internal/obj/s390x"
	"cmd/internal/obj/x86"
	"cmd/internal/src"
)

var CheckFunc = checkFunc
var Opt = opt
var Deadcode = deadcode
var Copyelim = copyelim

var testCtxts = map[string]*obj.Link{
	"amd64": obj.Linknew(&x86.Linkamd64),
	"s390x": obj.Linknew(&s390x.Links390x),
	"arm64": obj.Linknew(&arm64.Linkarm64),
}

func testConfig(tb testing.TB) *Conf      { return testConfigArch(tb, "amd64") }
func testConfigS390X(tb testing.TB) *Conf { return testConfigArch(tb, "s390x") }
func testConfigARM64(tb testing.TB) *Conf { return testConfigArch(tb, "arm64") }

func testConfigArch(tb testing.TB, arch string) *Conf {
	ctxt, ok := testCtxts[arch]
	if !ok {
		tb.Fatalf("unknown arch %s", arch)
	}
	if ctxt.Arch.PtrSize != 8 {
		tb.Fatal("testTypes is 64-bit only")
	}
	c := &Conf{
		config: NewConfig(arch, testTypes, ctxt, true, false),
		tb:     tb,
	}
	return c
}

type Conf struct {
	config *Config
	tb     testing.TB
	fe     Frontend
}

func (c *Conf) Frontend() Frontend {
	if c.fe == nil {
		c.fe = TestFrontend{t: c.tb, ctxt: c.config.ctxt}
	}
	return c.fe
}

// TestFrontend is a test-only frontend.
// It assumes 64 bit integers and pointers.
type TestFrontend struct {
	t    testing.TB
	ctxt *obj.Link
}

func (TestFrontend) StringData(s string) *obj.LSym {
	return nil
}
func (TestFrontend) Auto(pos src.XPos, t *types.Type) *ir.Name {
	n := ir.NewNameAt(pos, &types.Sym{Name: "aFakeAuto"})
	n.Class = ir.PAUTO
	return n
}
func (d TestFrontend) SplitSlot(parent *LocalSlot, suffix string, offset int64, t *types.Type) LocalSlot {
	return LocalSlot{N: parent.N, Type: t, Off: offset}
}
func (TestFrontend) Line(_ src.XPos) string {
	return "unknown.go:0"
}
func (TestFrontend) AllocFrame(f *Func) {
}
func (d TestFrontend) Syslook(s string) *obj.LSym {
	return d.ctxt.Lookup(s)
}
func (TestFrontend) UseWriteBarrier() bool {
	return true // only writebarrier_test cares
}
func (TestFrontend) SetWBPos(pos src.XPos) {
}

func (d TestFrontend) Logf(msg string, args ...interface{}) { d.t.Logf(msg, args...) }
func (d TestFrontend) Log() bool                            { return true }

func (d TestFrontend) Fatalf(_ src.XPos, msg string, args ...interface{}) { d.t.Fatalf(msg, args...) }
func (d TestFrontend) Warnl(_ src.XPos, msg string, args ...interface{})  { d.t.Logf(msg, args...) }
func (d TestFrontend) Debug_checknil() bool                               { return false }

func (d TestFrontend) MyImportPath() string {
	return "my/import/path"
}
func (d TestFrontend) LSym() string {
	return "my/import/path.function"
}

var testTypes Types

func init() {
	// TODO(mdempsky): Push into types.InitUniverse or typecheck.InitUniverse.
	types.PtrSize = 8
	types.RegSize = 8
	types.MaxWidth = 1 << 50

typecheck.InitUniverse()
	testTypes.SetTypPtrs()
}

func (d TestFrontend) DerefItab(sym *obj.LSym, off int64) *obj.LSym { return nil }

func (d TestFrontend) CanSSA(t *types.Type) bool {
	// There are no un-SSAable types in test land.
	return true
}

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Editing: export_test.go

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