100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
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package expr
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import (
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"fmt"
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. "testing"
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"llvm.org/llvm/bindings/go/llvm"
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)
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func buildTest(t *T, expected int64, stmts ...Statement) {
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fmt.Println("-----------------------------------------")
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ctx := NewCtx()
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bctx := NewBuildCtx("")
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fn := llvm.AddFunction(bctx.M, "", llvm.FunctionType(llvm.Int64Type(), []llvm.Type{}, false))
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fnbl := llvm.AddBasicBlock(fn, "")
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bctx.B.SetInsertPoint(fnbl, fnbl.FirstInstruction())
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out := bctx.Build(ctx, stmts...)
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bctx.B.CreateRet(out)
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fmt.Println("######## dumping IR")
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bctx.M.Dump()
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fmt.Println("######## done dumping IR")
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if err := llvm.VerifyModule(bctx.M, llvm.ReturnStatusAction); err != nil {
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t.Fatal(err)
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}
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eng, err := llvm.NewExecutionEngine(bctx.M)
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if err != nil {
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t.Fatal(err)
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}
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res := eng.RunFunction(fn, []llvm.GenericValue{}).Int(false)
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if int64(res) != expected {
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t.Errorf("expected:[%T]%v actual:[%T]%v", expected, expected, res, res)
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}
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}
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func TestAdd(t *T) {
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buildTest(t, 2,
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NewStatement(Macro("add"), Int(1), Int(1)))
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buildTest(t, 4,
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NewStatement(Macro("add"), Int(1),
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NewStatement(Macro("add"), Int(1), Int(2))))
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buildTest(t, 6,
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NewStatement(Macro("add"),
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NewStatement(Macro("add"), Int(1), Int(2)),
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NewStatement(Macro("add"), Int(1), Int(2))))
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}
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func TestBind(t *T) {
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buildTest(t, 2,
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NewStatement(Macro("bind"), Identifier("A"), Int(1)),
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NewStatement(Macro("add"), Identifier("A"), Int(1)))
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buildTest(t, 2,
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NewStatement(Macro("bind"), Identifier("A"), Int(1)),
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NewStatement(Macro("add"), Identifier("A"), Identifier("A")))
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buildTest(t, 2,
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NewStatement(Macro("bind"), Identifier("A"), NewTuple(Int(1), Int(1))),
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NewStatement(Macro("add"), Identifier("A")))
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buildTest(t, 3,
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NewStatement(Macro("bind"), Identifier("A"), NewTuple(Int(1), Int(1))),
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NewStatement(Macro("add"), Int(1),
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NewStatement(Macro("add"), Identifier("A"))))
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buildTest(t, 4,
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NewStatement(Macro("bind"), Identifier("A"), NewTuple(Int(1), Int(1))),
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NewStatement(Macro("add"),
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NewStatement(Macro("add"), Identifier("A")),
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NewStatement(Macro("add"), Identifier("A"))))
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}
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func TestOp(t *T) {
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incr := NewStatement(Macro("op"),
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NewList(
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NewStatement(Macro("add"), Int(1), NewStatement(Macro("in"))),
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),
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)
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// bound op
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buildTest(t, 2,
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NewStatement(Macro("bind"), Identifier("incr"), incr),
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NewStatement(Identifier("incr"), Int(1)))
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// double bound op
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buildTest(t, 3,
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NewStatement(Macro("bind"), Identifier("incr"), incr),
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NewStatement(Identifier("incr"),
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NewStatement(Identifier("incr"), Int(1))))
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// anon op
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buildTest(t, 2,
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NewStatement(incr, Int(1)))
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// double anon op
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buildTest(t, 3,
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NewStatement(incr,
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NewStatement(incr, Int(1))))
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}
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