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cmd/compile: simplify extendslice and isAppendOfMake

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Change-Id: Ia66361812837dde23aac09e916f058ba509a323c
Reviewed-on: https://go-review.googlesource.com/111737
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Martin Möhrmann 2018-05-06 20:18:52 +02:00
parent 2486ebfb63
commit 337cc29156
1 changed files with 3 additions and 9 deletions
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12
src/cmd/compile/internal/gc/walk.go
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@ -3054,11 +3054,7 @@ func isAppendOfMake(n *Node) bool {
}
second := n.List.Second()
if second.Op != OMAKESLICE {
return false
}
if n.List.Second().Right != nil {
if second.Op != OMAKESLICE || second.Right != nil {
return false
}
@ -3135,10 +3131,8 @@ func extendslice(n *Node, init *Nodes) *Node {
nodes = append(nodes, nod(OAS, nn, nod(OADD, nod(OLEN, s, nil), l2)))
// if uint(n) > uint(cap(s))
nuint := nod(OCONV, nn, nil)
nuint.Type = types.Types[TUINT]
capuint := nod(OCONV, nod(OCAP, s, nil), nil)
capuint.Type = types.Types[TUINT]
nuint := conv(nn, types.Types[TUINT])
capuint := conv(nod(OCAP, s, nil), types.Types[TUINT])
nif := nod(OIF, nod(OGT, nuint, capuint), nil)
// instantiate growslice(typ *type, old []any, newcap int) []any