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cmd/compile: change visitBottomUp from post-order traversal to pre-order

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No meaningful change, but allows the followup CL to pass
toolstash-check.

Change-Id: I1d852c97838be3f84cf795bc9daec9b15c705956
Reviewed-on: https://go-review.googlesource.com/c/go/+/173320
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Matthew Dempsky 2019-04-22 15:39:57 -07:00
parent 415da714fa
commit ef2806e4ab
1 changed files with 7 additions and 7 deletions
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14
src/cmd/compile/internal/gc/scc.go
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@ -117,13 +117,6 @@ func (v *bottomUpVisitor) visitcode(n *Node, min uint32) uint32 {
return min
}
min = v.visitcodelist(n.Ninit, min)
min = v.visitcode(n.Left, min)
min = v.visitcode(n.Right, min)
min = v.visitcodelist(n.List, min)
min = v.visitcodelist(n.Nbody, min)
min = v.visitcodelist(n.Rlist, min)
switch n.Op {
case OCALLFUNC, OCALLMETH:
fn := asNode(n.Left.Type.Nname())
@ -141,5 +134,12 @@ func (v *bottomUpVisitor) visitcode(n *Node, min uint32) uint32 {
}
}
min = v.visitcodelist(n.Ninit, min)
min = v.visitcode(n.Left, min)
min = v.visitcode(n.Right, min)
min = v.visitcodelist(n.List, min)
min = v.visitcodelist(n.Nbody, min)
min = v.visitcodelist(n.Rlist, min)
return min
}