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Commit eb6ee75a authored by Ian Lance Taylor's avatar Ian Lance Taylor
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cmd/compile: convert select, sinit, ssa to nodeSeq 

Passes toolstash -cmp.

Update #14473.

Change-Id: I1b50fe981e7a266d4b14f31d849eb91afccdfda3
Reviewed-on: https://go-review.googlesource.com/20270
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: default avatarBrad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent e3a9dca7
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 134 additions and 143 deletions
src/cmd/compile/internal/gc/select.go
View file @ eb6ee75a
This diff is collapsed.
src/cmd/compile/internal/gc/sinit.go
View file @ eb6ee75a
......@@ -30,8 +30,8 @@ func init1(n *Node, out *[]*Node) {
}
init1(n.Left, out)
init1(n.Right, out)
for l := n.List; l != nil; l = l.Next {
init1(l.N, out)
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
init1(it.N(), out)
}
if n.Left != nil && n.Type != nil && n.Left.Op == OTYPE && n.Class == PFUNC {
......@@ -98,7 +98,7 @@ func init1(n *Node, out *[]*Node) {
Fatalf("init1: bad defn")
case ODCLFUNC:
init2slice(defn.Nbody.Slice(), out)
init2list(defn.Nbody, out)
case OAS:
if defn.Left != n {
......@@ -128,8 +128,8 @@ func init1(n *Node, out *[]*Node) {
break
}
defn.Initorder = InitPending
for l := defn.Rlist; l != nil; l = l.Next {
init1(l.N, out)
for it := nodeSeqIterate(defn.Rlist); !it.Done(); it.Next() {
init1(it.N(), out)
}
if Debug['%'] != 0 {
Dump("nonstatic", defn)
......@@ -192,7 +192,7 @@ func init2(n *Node, out *[]*Node) {
return
}
if n.Op == ONAME && n.Ninit != nil {
if n.Op == ONAME && nodeSeqLen(n.Ninit) != 0 {
Fatalf("name %v with ninit: %v\n", n.Sym, Nconv(n, obj.FmtSign))
}
......@@ -202,40 +202,34 @@ func init2(n *Node, out *[]*Node) {
init2list(n.Ninit, out)
init2list(n.List, out)
init2list(n.Rlist, out)
init2slice(n.Nbody.Slice(), out)
init2list(n.Nbody, out)
if n.Op == OCLOSURE {
init2slice(n.Func.Closure.Nbody.Slice(), out)
init2list(n.Func.Closure.Nbody, out)
}
if n.Op == ODOTMETH || n.Op == OCALLPART {
init2(n.Type.Nname, out)
}
}
func init2list(l *NodeList, out *[]*Node) {
for ; l != nil; l = l.Next {
init2(l.N, out)
func init2list(l nodesOrNodeList, out *[]*Node) {
for it := nodeSeqIterate(l); !it.Done(); it.Next() {
init2(it.N(), out)
}
}
func init2slice(l []*Node, out *[]*Node) {
for _, n := range l {
init2(n, out)
}
}
func initreorder(l *NodeList, out *[]*Node) {
func initreorder(l nodesOrNodeList, out *[]*Node) {
var n *Node
for ; l != nil; l = l.Next {
n = l.N
for it := nodeSeqIterate(l); !it.Done(); it.Next() {
n = it.N()
switch n.Op {
case ODCLFUNC, ODCLCONST, ODCLTYPE:
continue
}
initreorder(n.Ninit, out)
n.Ninit = nil
setNodeSeq(&n.Ninit, nil)
init1(n, out)
}
}
......@@ -243,7 +237,7 @@ func initreorder(l *NodeList, out *[]*Node) {
// initfix computes initialization order for a list l of top-level
// declarations and outputs the corresponding list of statements
// to include in the init() function body.
func initfix(l *NodeList) []*Node {
func initfix(l nodesOrNodeList) []*Node {
var lout []*Node
initplans = make(map[*Node]*InitPlan)
lno := lineno
......@@ -565,8 +559,8 @@ func getdyn(n *Node, top int) int {
break
}
for nl := n.List; nl != nil; nl = nl.Next {
value := nl.N.Right
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
value := it.N().Right
mode |= getdyn(value, 0)
if mode == MODEDYNAM|MODECONST {
break
......@@ -577,8 +571,8 @@ func getdyn(n *Node, top int) int {
}
func structlit(ctxt int, pass int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
for nl := n.List; nl != nil; nl = nl.Next {
r := nl.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("structlit: rhs not OKEY: %v", r)
}
......@@ -642,8 +636,8 @@ func structlit(ctxt int, pass int, n *Node, var_ *Node, init nodesOrNodeListPtr)
}
func arraylit(ctxt int, pass int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
for l := n.List; l != nil; l = l.Next {
r := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("arraylit: rhs not OKEY: %v", r)
}
......@@ -790,7 +784,7 @@ func slicelit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
a = Nod(OADDR, a, nil)
} else {
a = Nod(ONEW, nil, nil)
a.List = list1(typenod(t))
setNodeSeq(&a.List, []*Node{typenod(t)})
}
a = Nod(OAS, vauto, a)
......@@ -817,8 +811,8 @@ func slicelit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
appendNodeSeqNode(init, a)
// put dynamics into slice (6)
for l := n.List; l != nil; l = l.Next {
r := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("slicelit: rhs not OKEY: %v", r)
}
......@@ -864,13 +858,13 @@ func maplit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
nerr := nerrors
a := Nod(OMAKE, nil, nil)
a.List = list1(typenod(n.Type))
setNodeSeq(&a.List, []*Node{typenod(n.Type)})
litas(var_, a, init)
// count the initializers
b := 0
for l := n.List; l != nil; l = l.Next {
r := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("maplit: rhs not OKEY: %v", r)
}
......@@ -913,8 +907,8 @@ func maplit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
vstat := staticname(tarr, ctxt)
b := int64(0)
for l := n.List; l != nil; l = l.Next {
r := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("maplit: rhs not OKEY: %v", r)
......@@ -971,7 +965,7 @@ func maplit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
a = Nod(OFOR, nil, nil)
a.Nbody.Set([]*Node{r})
a.Ninit = list1(Nod(OAS, index, Nodintconst(0)))
setNodeSeq(&a.Ninit, []*Node{Nod(OAS, index, Nodintconst(0))})
a.Left = Nod(OLT, index, Nodintconst(tarr.Bound))
a.Right = Nod(OAS, index, Nod(OADD, index, Nodintconst(1)))
......@@ -982,8 +976,8 @@ func maplit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
// put in dynamic entries one-at-a-time
var key, val *Node
for l := n.List; l != nil; l = l.Next {
r := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
r := it.N()
if r.Op != OKEY {
Fatalf("maplit: rhs not OKEY: %v", r)
......@@ -1071,7 +1065,7 @@ func anylit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
Fatalf("anylit: not struct")
}
if simplename(var_) && count(n.List) > 4 {
if simplename(var_) && nodeSeqLen(n.List) > 4 {
if ctxt == 0 {
// lay out static data
vstat := staticname(t, ctxt)
......@@ -1097,7 +1091,7 @@ func anylit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
}
// initialize of not completely specified
if simplename(var_) || count(n.List) < structcount(t) {
if simplename(var_) || nodeSeqLen(n.List) < structcount(t) {
a := Nod(OAS, var_, nil)
typecheck(&a, Etop)
walkexpr(&a, init)
......@@ -1115,7 +1109,7 @@ func anylit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
break
}
if simplename(var_) && count(n.List) > 4 {
if simplename(var_) && nodeSeqLen(n.List) > 4 {
if ctxt == 0 {
// lay out static data
vstat := staticname(t, ctxt)
......@@ -1141,7 +1135,7 @@ func anylit(ctxt int, n *Node, var_ *Node, init nodesOrNodeListPtr) {
}
// initialize of not completely specified
if simplename(var_) || int64(count(n.List)) < t.Bound {
if simplename(var_) || int64(nodeSeqLen(n.List)) < t.Bound {
a := Nod(OAS, var_, nil)
typecheck(&a, Etop)
walkexpr(&a, init)
......@@ -1263,8 +1257,8 @@ func initplan(n *Node) {
Fatalf("initplan")
case OARRAYLIT:
for l := n.List; l != nil; l = l.Next {
a := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
a := it.N()
if a.Op != OKEY || !Smallintconst(a.Left) {
Fatalf("initplan arraylit")
}
......@@ -1272,8 +1266,8 @@ func initplan(n *Node) {
}
case OSTRUCTLIT:
for l := n.List; l != nil; l = l.Next {
a := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
a := it.N()
if a.Op != OKEY || a.Left.Type == nil {
Fatalf("initplan structlit")
}
......@@ -1281,8 +1275,8 @@ func initplan(n *Node) {
}
case OMAPLIT:
for l := n.List; l != nil; l = l.Next {
a := l.N
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
a := it.N()
if a.Op != OKEY {
Fatalf("initplan maplit")
}
......@@ -1357,8 +1351,8 @@ func iszero(n *Node) bool {
// fall through
case OSTRUCTLIT:
for l := n.List; l != nil; l = l.Next {
if !iszero(l.N.Right) {
for it := nodeSeqIterate(n.List); !it.Done(); it.Next() {
if !iszero(it.N().Right) {
return false
}
}
......
src/cmd/compile/internal/gc/ssa.go
View file @ eb6ee75a
......@@ -504,9 +504,9 @@ func (s *state) stmts(a Nodes) {
}
// ssaStmtList converts the statement n to SSA and adds it to s.
func (s *state) stmtList(l *NodeList) {
for ; l != nil; l = l.Next {
s.stmt(l.N)
func (s *state) stmtList(l nodesOrNodeList) {
for it := nodeSeqIterate(l); !it.Done(); it.Next() {
s.stmt(it.N())
}
}
......@@ -554,9 +554,9 @@ func (s *state) stmt(n *Node) {
s.call(n.Left, callGo)
case OAS2DOTTYPE:
res, resok := s.dottype(n.Rlist.N, true)
s.assign(n.List.N, res, needwritebarrier(n.List.N, n.Rlist.N), false, n.Lineno)
s.assign(n.List.Next.N, resok, false, false, n.Lineno)
res, resok := s.dottype(nodeSeqFirst(n.Rlist), true)
s.assign(nodeSeqFirst(n.List), res, needwritebarrier(nodeSeqFirst(n.List), nodeSeqFirst(n.Rlist)), false, n.Lineno)
s.assign(nodeSeqSecond(n.List), resok, false, false, n.Lineno)
return
case ODCL:
......@@ -697,7 +697,7 @@ func (s *state) stmt(n *Node) {
bThen := s.f.NewBlock(ssa.BlockPlain)
bEnd := s.f.NewBlock(ssa.BlockPlain)
var bElse *ssa.Block
if n.Rlist != nil {
if nodeSeqLen(n.Rlist) != 0 {
bElse = s.f.NewBlock(ssa.BlockPlain)
s.condBranch(n.Left, bThen, bElse, n.Likely)
} else {
......@@ -710,7 +710,7 @@ func (s *state) stmt(n *Node) {
b.AddEdgeTo(bEnd)
}
if n.Rlist != nil {
if nodeSeqLen(n.Rlist) != 0 {
s.startBlock(bElse)
s.stmtList(n.Rlist)
if b := s.endBlock(); b != nil {
......@@ -2013,14 +2013,14 @@ func (s *state) expr(n *Node) *ssa.Value {
pt := Ptrto(et)
// Evaluate slice
slice := s.expr(n.List.N)
slice := s.expr(nodeSeqFirst(n.List))
// Allocate new blocks
grow := s.f.NewBlock(ssa.BlockPlain)
assign := s.f.NewBlock(ssa.BlockPlain)
// Decide if we need to grow
nargs := int64(count(n.List) - 1)
nargs := int64(nodeSeqLen(n.List) - 1)
p := s.newValue1(ssa.OpSlicePtr, pt, slice)
l := s.newValue1(ssa.OpSliceLen, Types[TINT], slice)
c := s.newValue1(ssa.OpSliceCap, Types[TINT], slice)
......@@ -2054,12 +2054,14 @@ func (s *state) expr(n *Node) *ssa.Value {
// Evaluate args
args := make([]*ssa.Value, 0, nargs)
store := make([]bool, 0, nargs)
for l := n.List.Next; l != nil; l = l.Next {
if canSSAType(l.N.Type) {
args = append(args, s.expr(l.N))
it := nodeSeqIterate(n.List)
it.Next()
for ; !it.Done(); it.Next() {
if canSSAType(it.N().Type) {
args = append(args, s.expr(it.N()))
store = append(store, true)
} else {
args = append(args, s.addr(l.N, false))
args = append(args, s.addr(it.N(), false))
store = append(store, false)
}
}
......
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