tinygo/transform/maps_test.go

package transform_test

import (
	"testing"

	"github.com/tinygo-org/tinygo/transform"
	"tinygo.org/x/go-llvm"
)

func TestOptimizeMaps(t *testing.T) {
	t.Parallel()
	testTransform(t, "testdata/maps", func(mod llvm.Module) {
		// Run optimization pass.
		transform.OptimizeMaps(mod)

		// Run an optimization pass, to clean up the result.
		// This shows that all code related to the map is really eliminated.
		po := llvm.NewPassBuilderOptions()
		defer po.Dispose()
		err := mod.RunPasses("dse,adce", llvm.TargetMachine{}, po)
		if err != nil {
			t.Error("failed to run passes:", err)
		}
	})
}