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[dev.typeparams] cmd/compile: add -d=unified flag to enable unified IR
This CL adds a new -d=unified debug flag, which controls whether unified IR mode is used. Change-Id: Iaa5f3cc0a24b9881aeec5317cd6b462b4a7b6fc9 Reviewed-on: https://go-review.googlesource.com/c/go/+/327054 Trust: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Robert Griesemer <gri@golang.org>
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@ -46,6 +46,7 @@ type DebugFlags struct {
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SoftFloat int `help:"force compiler to emit soft-float code"`
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TypeAssert int `help:"print information about type assertion inlining"`
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TypecheckInl int `help:"eager typechecking of inline function bodies"`
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Unified int `help:"enable unified IR construction"`
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WB int `help:"print information about write barriers"`
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ABIWrap int `help:"print information about ABI wrapper generation"`
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@ -76,6 +76,11 @@ func LoadPackage(filenames []string) {
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}
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base.Timer.AddEvent(int64(lines), "lines")
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if base.Debug.Unified != 0 {
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useUnifiedIR(noders)
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return
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}
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if base.Flag.G != 0 {
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// Use types2 to type-check and possibly generate IR.
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check2(noders)
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@ -1780,6 +1780,10 @@ func methodWrapper(rcvr *types.Type, method *types.Field, forItab bool) *obj.LSy
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// TODO: check that we do the right thing when rcvr.IsInterface().
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generic = true
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}
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if base.Debug.Unified != 0 {
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// TODO(mdempsky): Support dictionaries for unified IR.
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generic = false
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}
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newnam := ir.MethodSym(rcvr, method.Sym)
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lsym := newnam.Linksym()
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if newnam.Siggen() {
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