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14d667341f
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Russ Cox 14d667341f [dev.regabi] cmd/compile: remove Node.Left etc [generated] 
This automated CL adds type assertions on the true branches of
n.Op() equality tests, to redeclare n with a more specific type, when
it is safe to do so. (That is, when n is not reassigned with a more
general type, when n is not reassigned and then used outside the
scope, and so on.) All the "unsafe" times that the automated tool
would avoid have been removed or rewritten in earlier CLs, so that
after this CL and the next one, which removes the use of ir.Nod,
every use of the Left, Right, and so on methods is done using concrete
types, never the Node interface.

Having done that, the CL locks in the progress by deleting many of
the access methods, including Left, SetLeft and so on, from the
Node interface.

There are still uses of Name, Func, Sym, some of the tracking
bits, and a few other miscellaneous fields, but all the main access
methods are gone from the Node interface. The others will be cleaned
up in smaller CLs.

Passes buildall w/ toolstash -cmp.

[git-generate]
cd src/cmd/compile/internal/gc
rf 'typeassert {
        import "cmd/compile/internal/ir"
        var n ir.Node

        n.Op() == ir.OADD -> n.(*ir.BinaryExpr)
        n.Op() == ir.OADDR -> n.(*ir.AddrExpr)
        n.Op() == ir.OADDSTR -> n.(*ir.AddStringExpr)
        n.Op() == ir.OALIGNOF -> n.(*ir.UnaryExpr)
        n.Op() == ir.OAND -> n.(*ir.BinaryExpr)
        n.Op() == ir.OANDAND -> n.(*ir.LogicalExpr)
        n.Op() == ir.OANDNOT -> n.(*ir.BinaryExpr)
        n.Op() == ir.OAPPEND -> n.(*ir.CallExpr)
        n.Op() == ir.OARRAYLIT -> n.(*ir.CompLitExpr)
        n.Op() == ir.OAS -> n.(*ir.AssignStmt)
        n.Op() == ir.OAS2 -> n.(*ir.AssignListStmt)
        n.Op() == ir.OAS2DOTTYPE -> n.(*ir.AssignListStmt)
        n.Op() == ir.OAS2FUNC -> n.(*ir.AssignListStmt)
        n.Op() == ir.OAS2MAPR -> n.(*ir.AssignListStmt)
        n.Op() == ir.OAS2RECV -> n.(*ir.AssignListStmt)
        n.Op() == ir.OASOP -> n.(*ir.AssignOpStmt)
        n.Op() == ir.OBITNOT -> n.(*ir.UnaryExpr)
        n.Op() == ir.OBLOCK -> n.(*ir.BlockStmt)
        n.Op() == ir.OBREAK -> n.(*ir.BranchStmt)
        n.Op() == ir.OBYTES2STR -> n.(*ir.ConvExpr)
        n.Op() == ir.OBYTES2STRTMP -> n.(*ir.ConvExpr)
        n.Op() == ir.OCALL -> n.(*ir.CallExpr)
        n.Op() == ir.OCALLFUNC -> n.(*ir.CallExpr)
        n.Op() == ir.OCALLINTER -> n.(*ir.CallExpr)
        n.Op() == ir.OCALLMETH -> n.(*ir.CallExpr)
        n.Op() == ir.OCALLPART -> n.(*ir.CallPartExpr)
        n.Op() == ir.OCAP -> n.(*ir.UnaryExpr)
        n.Op() == ir.OCASE -> n.(*ir.CaseStmt)
        n.Op() == ir.OCFUNC -> n.(*ir.UnaryExpr)
        n.Op() == ir.OCHECKNIL -> n.(*ir.UnaryExpr)
        n.Op() == ir.OCLOSE -> n.(*ir.UnaryExpr)
        n.Op() == ir.OCOMPLEX -> n.(*ir.BinaryExpr)
        n.Op() == ir.OCOMPLIT -> n.(*ir.CompLitExpr)
        n.Op() == ir.OCONTINUE -> n.(*ir.BranchStmt)
        n.Op() == ir.OCONV -> n.(*ir.ConvExpr)
        n.Op() == ir.OCONVIFACE -> n.(*ir.ConvExpr)
        n.Op() == ir.OCONVNOP -> n.(*ir.ConvExpr)
        n.Op() == ir.OCOPY -> n.(*ir.BinaryExpr)
        n.Op() == ir.ODCL -> n.(*ir.Decl)
        n.Op() == ir.ODCLCONST -> n.(*ir.Decl)
        n.Op() == ir.ODCLFUNC -> n.(*ir.Func)
        n.Op() == ir.ODCLTYPE -> n.(*ir.Decl)
        n.Op() == ir.ODEFER -> n.(*ir.GoDeferStmt)
        n.Op() == ir.ODELETE -> n.(*ir.CallExpr)
        n.Op() == ir.ODEREF -> n.(*ir.StarExpr)
        n.Op() == ir.ODIV -> n.(*ir.BinaryExpr)
        n.Op() == ir.ODOT -> n.(*ir.SelectorExpr)
        n.Op() == ir.ODOTINTER -> n.(*ir.SelectorExpr)
        n.Op() == ir.ODOTMETH -> n.(*ir.SelectorExpr)
        n.Op() == ir.ODOTPTR -> n.(*ir.SelectorExpr)
        n.Op() == ir.ODOTTYPE -> n.(*ir.TypeAssertExpr)
        n.Op() == ir.ODOTTYPE2 -> n.(*ir.TypeAssertExpr)
        n.Op() == ir.OEFACE -> n.(*ir.BinaryExpr)
        n.Op() == ir.OEQ -> n.(*ir.BinaryExpr)
        n.Op() == ir.OFALL -> n.(*ir.BranchStmt)
        n.Op() == ir.OFOR -> n.(*ir.ForStmt)
        n.Op() == ir.OFORUNTIL -> n.(*ir.ForStmt)
        n.Op() == ir.OGE -> n.(*ir.BinaryExpr)
        n.Op() == ir.OGETG -> n.(*ir.CallExpr)
        n.Op() == ir.OGO -> n.(*ir.GoDeferStmt)
        n.Op() == ir.OGOTO -> n.(*ir.BranchStmt)
        n.Op() == ir.OGT -> n.(*ir.BinaryExpr)
        n.Op() == ir.OIDATA -> n.(*ir.UnaryExpr)
        n.Op() == ir.OIF -> n.(*ir.IfStmt)
        n.Op() == ir.OIMAG -> n.(*ir.UnaryExpr)
        n.Op() == ir.OINDEX -> n.(*ir.IndexExpr)
        n.Op() == ir.OINDEXMAP -> n.(*ir.IndexExpr)
        n.Op() == ir.OINLCALL -> n.(*ir.InlinedCallExpr)
        n.Op() == ir.OINLMARK -> n.(*ir.InlineMarkStmt)
        n.Op() == ir.OITAB -> n.(*ir.UnaryExpr)
        n.Op() == ir.OKEY -> n.(*ir.KeyExpr)
        n.Op() == ir.OLABEL -> n.(*ir.LabelStmt)
        n.Op() == ir.OLE -> n.(*ir.BinaryExpr)
        n.Op() == ir.OLEN -> n.(*ir.UnaryExpr)
        n.Op() == ir.OLSH -> n.(*ir.BinaryExpr)
        n.Op() == ir.OLT -> n.(*ir.BinaryExpr)
        n.Op() == ir.OMAKE -> n.(*ir.CallExpr)
        n.Op() == ir.OMAKECHAN -> n.(*ir.MakeExpr)
        n.Op() == ir.OMAKEMAP -> n.(*ir.MakeExpr)
        n.Op() == ir.OMAKESLICE -> n.(*ir.MakeExpr)
        n.Op() == ir.OMAKESLICECOPY -> n.(*ir.MakeExpr)
        n.Op() == ir.OMAPLIT -> n.(*ir.CompLitExpr)
        n.Op() == ir.OMETHEXPR -> n.(*ir.MethodExpr)
        n.Op() == ir.OMOD -> n.(*ir.BinaryExpr)
        n.Op() == ir.OMUL -> n.(*ir.BinaryExpr)
        n.Op() == ir.ONAME -> n.(*ir.Name)
        n.Op() == ir.ONE -> n.(*ir.BinaryExpr)
        n.Op() == ir.ONEG -> n.(*ir.UnaryExpr)
        n.Op() == ir.ONEW -> n.(*ir.UnaryExpr)
        n.Op() == ir.ONEWOBJ -> n.(*ir.UnaryExpr)
        n.Op() == ir.ONIL -> n.(*ir.NilExpr)
        n.Op() == ir.ONOT -> n.(*ir.UnaryExpr)
        n.Op() == ir.OOFFSETOF -> n.(*ir.UnaryExpr)
        n.Op() == ir.OOR -> n.(*ir.BinaryExpr)
        n.Op() == ir.OOROR -> n.(*ir.LogicalExpr)
        n.Op() == ir.OPACK -> n.(*ir.PkgName)
        n.Op() == ir.OPANIC -> n.(*ir.UnaryExpr)
        n.Op() == ir.OPAREN -> n.(*ir.ParenExpr)
        n.Op() == ir.OPLUS -> n.(*ir.UnaryExpr)
        n.Op() == ir.OPRINT -> n.(*ir.CallExpr)
        n.Op() == ir.OPRINTN -> n.(*ir.CallExpr)
        n.Op() == ir.OPTRLIT -> n.(*ir.AddrExpr)
        n.Op() == ir.ORANGE -> n.(*ir.RangeStmt)
        n.Op() == ir.OREAL -> n.(*ir.UnaryExpr)
        n.Op() == ir.ORECOVER -> n.(*ir.CallExpr)
        n.Op() == ir.ORECV -> n.(*ir.UnaryExpr)
        n.Op() == ir.ORESULT -> n.(*ir.ResultExpr)
        n.Op() == ir.ORETJMP -> n.(*ir.BranchStmt)
        n.Op() == ir.ORETURN -> n.(*ir.ReturnStmt)
        n.Op() == ir.ORSH -> n.(*ir.BinaryExpr)
        n.Op() == ir.ORUNES2STR -> n.(*ir.ConvExpr)
        n.Op() == ir.ORUNESTR -> n.(*ir.ConvExpr)
        n.Op() == ir.OSELECT -> n.(*ir.SelectStmt)
        n.Op() == ir.OSELRECV2 -> n.(*ir.AssignListStmt)
        n.Op() == ir.OSEND -> n.(*ir.SendStmt)
        n.Op() == ir.OSIZEOF -> n.(*ir.UnaryExpr)
        n.Op() == ir.OSLICE -> n.(*ir.SliceExpr)
        n.Op() == ir.OSLICE3 -> n.(*ir.SliceExpr)
        n.Op() == ir.OSLICE3ARR -> n.(*ir.SliceExpr)
        n.Op() == ir.OSLICEARR -> n.(*ir.SliceExpr)
        n.Op() == ir.OSLICEHEADER -> n.(*ir.SliceHeaderExpr)
        n.Op() == ir.OSLICELIT -> n.(*ir.CompLitExpr)
        n.Op() == ir.OSLICESTR -> n.(*ir.SliceExpr)
        n.Op() == ir.OSPTR -> n.(*ir.UnaryExpr)
        n.Op() == ir.OSTR2BYTES -> n.(*ir.ConvExpr)
        n.Op() == ir.OSTR2BYTESTMP -> n.(*ir.ConvExpr)
        n.Op() == ir.OSTR2RUNES -> n.(*ir.ConvExpr)
        n.Op() == ir.OSTRUCTLIT -> n.(*ir.CompLitExpr)
        n.Op() == ir.OSUB -> n.(*ir.BinaryExpr)
        n.Op() == ir.OSWITCH -> n.(*ir.SwitchStmt)
        n.Op() == ir.OTYPESW -> n.(*ir.TypeSwitchGuard)
        n.Op() == ir.OVARDEF -> n.(*ir.UnaryExpr)
        n.Op() == ir.OVARKILL -> n.(*ir.UnaryExpr)
        n.Op() == ir.OVARLIVE -> n.(*ir.UnaryExpr)
        n.Op() == ir.OXDOT -> n.(*ir.SelectorExpr)
        n.Op() == ir.OXOR -> n.(*ir.BinaryExpr)
}
'

cd ../ir
rf '
        rm \
                Node.SetOp \
                miniNode.SetOp \
                Node.Func \
                miniNode.Func \
                Node.Left Node.SetLeft \
                miniNode.Left miniNode.SetLeft \
                Node.Right Node.SetRight \
                miniNode.Right miniNode.SetRight \
                Node.List Node.PtrList Node.SetList \
                miniNode.List miniNode.PtrList miniNode.SetList \
                Node.Rlist Node.PtrRlist Node.SetRlist \
                miniNode.Rlist miniNode.PtrRlist miniNode.SetRlist \
                Node.Body Node.PtrBody Node.SetBody \
                miniNode.Body miniNode.PtrBody miniNode.SetBody \
                Node.SubOp Node.SetSubOp \
                miniNode.SubOp miniNode.SetSubOp \
                Node.SetSym \
                miniNode.SetSym \
                Node.Offset Node.SetOffset \
                miniNode.Offset miniNode.SetOffset \
                Node.Class Node.SetClass \
                miniNode.Class miniNode.SetClass \
                Node.Iota Node.SetIota \
                miniNode.Iota miniNode.SetIota \
                Node.Colas Node.SetColas \
                miniNode.Colas miniNode.SetColas \
                Node.Transient Node.SetTransient \
                miniNode.Transient miniNode.SetTransient \
                Node.Implicit Node.SetImplicit \
                miniNode.Implicit miniNode.SetImplicit \
                Node.IsDDD Node.SetIsDDD \
                miniNode.IsDDD miniNode.SetIsDDD \
                Node.MarkReadonly \
                miniNode.MarkReadonly \
                Node.Likely Node.SetLikely \
                miniNode.Likely miniNode.SetLikely \
                Node.SliceBounds Node.SetSliceBounds \
                miniNode.SliceBounds miniNode.SetSliceBounds \
                Node.NoInline Node.SetNoInline \
                miniNode.NoInline miniNode.SetNoInline \
                Node.IndexMapLValue Node.SetIndexMapLValue \
                miniNode.IndexMapLValue miniNode.SetIndexMapLValue \
                Node.ResetAux \
                miniNode.ResetAux \
                Node.HasBreak Node.SetHasBreak \
                miniNode.HasBreak miniNode.SetHasBreak \
                Node.Bounded Node.SetBounded \
                miniNode.Bounded miniNode.SetBounded \
                miniNode.Embedded miniNode.SetEmbedded \
                miniNode.Int64Val miniNode.Uint64Val miniNode.CanInt64 \
                miniNode.BoolVal miniNode.StringVal \
                miniNode.TChanDir miniNode.SetTChanDir \
                miniNode.Format \
                miniNode.copy miniNode.doChildren miniNode.editChildren \

'

Change-Id: I2a05b535963b43f83b1849fcf653f82b99af6035
Reviewed-on: https://go-review.googlesource.com/c/go/+/277934
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-12-23 06:37:34 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api/go1.16: remove crypto/tls APIs that are moved to Go 1.17 2020-12-17 20:25:45 +00:00
doc crypto/tls: revert "add HandshakeContext method to Conn" 2020-12-17 20:04:25 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc cmd/compile, runtime: use __msan_memmove for moving data, split msanread to fields 2020-12-03 15:40:11 +00:00
src [dev.regabi] cmd/compile: remove Node.Left etc [generated] 2020-12-23 06:37:34 +00:00
test [dev.regabi] all: merge master (c9fb4eb) into dev.regabi 2020-12-22 16:55:15 -05:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
codereview.cfg [dev.regabi] codereview.cfg: add config for dev.regabi 2020-12-22 21:02:04 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
robots.txt
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

README.md

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