package ir_test

import (

"testing"

"golang.org/x/tools/go/packages"

"honnef.co/go/tools/go/ir"

)

func BenchmarkSSA(b *testing.B) {

cfg := &packages.Config{

Mode: packages.NeedSyntax | packages.NeedTypes | packages.NeedTypesInfo,

Tests: false,

}

pkgs, err := packages.Load(cfg, "std")

if err != nil {

b.Fatal(err)

}

b.ResetTimer()

for i := 0; i < b.N; i++ {

prog := ir.NewProgram(pkgs[0].Fset, ir.GlobalDebug)

seen := map[*packages.Package]struct{}{}

var create func(pkg *packages.Package)

create = func(pkg *packages.Package) {

if _, ok := seen[pkg]; ok {

return

}

seen[pkg] = struct{}{}

prog.CreatePackage(pkg.Types, pkg.Syntax, pkg.TypesInfo, true)

for _, imp := range pkg.Imports {

create(imp)

}

}

for _, pkg := range pkgs {

create(pkg)

}

prog.Build()

}

}