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[dev.regabi] cmd/compile: replace inlcopy with ir.DeepCopy

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Now inlcopy and ir.DeepCopy are semantically the same,
so drop the inlcopy implementation.

Passes buildall w/ toolstash -cmp.

Change-Id: Id2abb39a412a8e57167a29be5ecf76e990dc9d3d
Reviewed-on: https://go-review.googlesource.com/c/go/+/275310
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Russ Cox 2020-12-02 22:54:33 -05:00
parent 989a3f5041
commit 7fcf5b994c
1 changed files with 1 additions and 36 deletions
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37
src/cmd/compile/internal/gc/inl.go
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@ -218,7 +218,7 @@ func caninl(fn *ir.Func) {
n.Func().Inl = &ir.Inline{
Cost: inlineMaxBudget - visitor.budget,
Dcl: pruneUnusedAutos(n.Defn.Func().Dcl, &visitor),
Body: inlcopylist(fn.Body().Slice()),
Body: ir.DeepCopyList(src.NoXPos, fn.Body().Slice()),
}
if base.Flag.LowerM > 1 {
@ -447,41 +447,6 @@ func (v *hairyVisitor) visit(n ir.Node) bool {
v.visitList(n.Init()) || v.visitList(n.Body())
}
// inlcopylist (together with inlcopy) recursively copies a list of nodes, except
// that it keeps the same ONAME, OTYPE, and OLITERAL nodes. It is used for copying
// the body and dcls of an inlineable function.
func inlcopylist(ll []ir.Node) []ir.Node {
s := make([]ir.Node, 0, len(ll))
for _, n := range ll {
s = append(s, inlcopy(n))
}
return s
}
func inlcopy(n ir.Node) ir.Node {
if n == nil {
return nil
}
switch n.Op() {
case ir.ONAME, ir.OTYPE, ir.OLITERAL, ir.ONIL:
return n
}
m := ir.Copy(n)
if n.Op() != ir.OCALLPART && m.Func() != nil {
base.Fatalf("unexpected Func: %v", m)
}
m.SetLeft(inlcopy(n.Left()))
m.SetRight(inlcopy(n.Right()))
m.PtrList().Set(inlcopylist(n.List().Slice()))
m.PtrRlist().Set(inlcopylist(n.Rlist().Slice()))
m.PtrInit().Set(inlcopylist(n.Init().Slice()))
m.PtrBody().Set(inlcopylist(n.Body().Slice()))
return m
}
func countNodes(n ir.Node) int {
if n == nil {
return 0