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[dev.regabi] cmd/compile: add ir.NewDeclNameAt

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This allows directly creating an ONONAME, which is a primordial Name
before having its Op initialized. Then after an Op is assigned, we
never allow it to be reassigned.

Passes buildall w/ toolstash -cmp.

Change-Id: Ibc2f413dc68c0af6a96abfe653c25ce31b184287
Reviewed-on: https://go-review.googlesource.com/c/go/+/274620
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Matthew Dempsky 2020-12-01 23:55:03 -08:00
parent c10b0ad628
commit c769d393de
8 changed files with 28 additions and 47 deletions
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3
src/cmd/compile/internal/gc/sinit.go
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@ -371,7 +371,8 @@ func staticname(t *types.Type) ir.Node {
// Don't use lookupN; it interns the resulting string, but these are all unique.
n := NewName(lookup(fmt.Sprintf("%s%d", obj.StaticNamePref, statuniqgen)))
statuniqgen++
addvar(n, t, ir.PEXTERN)
declare(n, ir.PEXTERN)
n.SetType(t)
n.Sym().Linksym().Set(obj.AttrLocal, true)
return n
}