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cmd/compile: implement unsafe.Add and unsafe.Slice

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Updates #19367.
Updates #40481.

Change-Id: Iabd2afdd0d520e5d68fd9e6dedd013335a4b3886
Reviewed-on: https://go-review.googlesource.com/c/go/+/312214
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Matthew Dempsky 2021-04-21 02:11:15 -07:00
parent 0d32d9e8a8
commit fadad851a3
20 changed files with 439 additions and 204 deletions
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4
src/cmd/compile/internal/noder/transform.go
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@ -795,11 +795,11 @@ func transformBuiltin(n *ir.CallExpr) ir.Node {
return u1
}
case ir.OCOMPLEX, ir.OCOPY:
case ir.OCOMPLEX, ir.OCOPY, ir.OUNSAFEADD, ir.OUNSAFESLICE:
transformArgs(n)
b := ir.NewBinaryExpr(n.Pos(), op, n.Args[0], n.Args[1])
n1 := typed(n.Type(), ir.InitExpr(n.Init(), b))
if op == ir.OCOPY {
if op != ir.OCOMPLEX {
// nothing more to do
return n1
}