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Current Path: /opt/golang/1.19.4/src/cmd/compile/internal/ssa

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: passbm_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 (
	"cmd/compile/internal/types"
	"fmt"
	"testing"
)

const (
	blockCount = 1000
	passCount  = 15000
)

type passFunc func(*Func)

func BenchmarkDSEPass(b *testing.B)           { benchFnPass(b, dse, blockCount, genFunction) }
func BenchmarkDSEPassBlock(b *testing.B)      { benchFnBlock(b, dse, genFunction) }
func BenchmarkCSEPass(b *testing.B)           { benchFnPass(b, cse, blockCount, genFunction) }
func BenchmarkCSEPassBlock(b *testing.B)      { benchFnBlock(b, cse, genFunction) }
func BenchmarkDeadcodePass(b *testing.B)      { benchFnPass(b, deadcode, blockCount, genFunction) }
func BenchmarkDeadcodePassBlock(b *testing.B) { benchFnBlock(b, deadcode, genFunction) }

func multi(f *Func) {
	cse(f)
	dse(f)
	deadcode(f)
}
func BenchmarkMultiPass(b *testing.B)      { benchFnPass(b, multi, blockCount, genFunction) }
func BenchmarkMultiPassBlock(b *testing.B) { benchFnBlock(b, multi, genFunction) }

// benchFnPass runs passFunc b.N times across a single function.
func benchFnPass(b *testing.B, fn passFunc, size int, bg blockGen) {
	b.ReportAllocs()
	c := testConfig(b)
	fun := c.Fun("entry", bg(size)...)
	CheckFunc(fun.f)
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		fn(fun.f)
		b.StopTimer()
		CheckFunc(fun.f)
		b.StartTimer()
	}
}

// benchFnPass runs passFunc across a function with b.N blocks.
func benchFnBlock(b *testing.B, fn passFunc, bg blockGen) {
	b.ReportAllocs()
	c := testConfig(b)
	fun := c.Fun("entry", bg(b.N)...)
	CheckFunc(fun.f)
	b.ResetTimer()
	for i := 0; i < passCount; i++ {
		fn(fun.f)
	}
	b.StopTimer()
}

func genFunction(size int) []bloc {
	var blocs []bloc
	elemType := types.Types[types.TINT64]
	ptrType := elemType.PtrTo()

valn := func(s string, m, n int) string { return fmt.Sprintf("%s%d-%d", s, m, n) }
	blocs = append(blocs,
		Bloc("entry",
			Valu(valn("store", 0, 4), OpInitMem, types.TypeMem, 0, nil),
			Valu("sb", OpSB, types.Types[types.TUINTPTR], 0, nil),
			Goto(blockn(1)),
		),
	)
	for i := 1; i < size+1; i++ {
		blocs = append(blocs, Bloc(blockn(i),
			Valu(valn("v", i, 0), OpConstBool, types.Types[types.TBOOL], 1, nil),
			Valu(valn("addr", i, 1), OpAddr, ptrType, 0, nil, "sb"),
			Valu(valn("addr", i, 2), OpAddr, ptrType, 0, nil, "sb"),
			Valu(valn("addr", i, 3), OpAddr, ptrType, 0, nil, "sb"),
			Valu(valn("zero", i, 1), OpZero, types.TypeMem, 8, elemType, valn("addr", i, 3),
				valn("store", i-1, 4)),
			Valu(valn("store", i, 1), OpStore, types.TypeMem, 0, elemType, valn("addr", i, 1),
				valn("v", i, 0), valn("zero", i, 1)),
			Valu(valn("store", i, 2), OpStore, types.TypeMem, 0, elemType, valn("addr", i, 2),
				valn("v", i, 0), valn("store", i, 1)),
			Valu(valn("store", i, 3), OpStore, types.TypeMem, 0, elemType, valn("addr", i, 1),
				valn("v", i, 0), valn("store", i, 2)),
			Valu(valn("store", i, 4), OpStore, types.TypeMem, 0, elemType, valn("addr", i, 3),
				valn("v", i, 0), valn("store", i, 3)),
			Goto(blockn(i+1))))
	}

blocs = append(blocs,
		Bloc(blockn(size+1), Goto("exit")),
		Bloc("exit", Exit("store0-4")),
	)

return blocs
}

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Editing: passbm_test.go

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