qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-09-29 14:14:29 -06:00
Code Releases Activity

[dev.regabi] cmd/compile: remove a couple CloneName calls

Browse Source 
In inl.go, that code path is unused, since we added ir.BasicLit to
represent unnamed OLITERALs.

In race.go, rather than cloning ir.RegFP, we can just create it from
scratch again.

Passes toolstash -cmp (incl. w/ -race).

Change-Id: I8e063e4898d2acf056ceca5bc03df6b40a14eca9
Reviewed-on: https://go-review.googlesource.com/c/go/+/281192
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Matthew Dempsky 2021-01-03 00:53:51 -08:00
parent 907a4bfdc7
commit 8fc44cf0fa
2 changed files with 5 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/cmd/compile/internal/inline/inl.go
View File

@ -1096,15 +1096,6 @@ func (subst *inlsubst) node(n ir.Node) ir.Node {
if n.Sym() != nil {
return n
}
if n, ok := n.(*ir.Name); ok && n.Op() == ir.OLITERAL {
// This happens for unnamed OLITERAL.
// which should really not be a *Name, but for now it is.
// ir.Copy(n) is not allowed generally and would panic below,
// but it's OK in this situation.
n = n.CloneName()
n.SetPos(subst.updatedPos(n.Pos()))
return n
}
case ir.ORETURN:
// Since we don't handle bodies with closures,

6
src/cmd/compile/internal/walk/race.go
View File

@ -8,6 +8,7 @@ import (
"cmd/compile/internal/base"
"cmd/compile/internal/ir"
"cmd/compile/internal/ssagen"
"cmd/compile/internal/typecheck"
"cmd/compile/internal/types"
"cmd/internal/src"
"cmd/internal/sys"
@ -36,7 +37,10 @@ func instrument(fn *ir.Func) {
// This only works for amd64. This will not
// work on arm or others that might support
// race in the future.
nodpc := ir.RegFP.CloneName()
nodpc := ir.NewNameAt(src.NoXPos, typecheck.Lookup(".fp"))
nodpc.Class_ = ir.PPARAM
nodpc.SetUsed(true)
nodpc.SetType(types.Types[types.TUINTPTR])
nodpc.SetFrameOffset(int64(-types.PtrSize))
fn.Dcl = append(fn.Dcl, nodpc)