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| author | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2022-04-04 14:07:36 +0700 |
|---|---|---|
| committer | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2022-04-04 16:25:52 +0000 |
| commit | efbe17d6f1f016616453d43208200ebf4a45d87c (patch) | |
| tree | 4ac30c27e33db4e07cabcbf2b221edd5f440d1a4 /src/cmd/compile/internal/noder/reader.go | |
| parent | c8110c3df64a4eea12334a627cca2b78d6ff3082 (diff) | |
| download | go-efbe17d6f1f016616453d43208200ebf4a45d87c.tar.xz | |
cmd/compile: support reading union type for compiler backend in unified IR
Fixes #52124
Change-Id: I5749822d41d8e51f476bceb277b1d2cf7350dcc3
Reviewed-on: https://go-review.googlesource.com/c/go/+/397874
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Diffstat (limited to 'src/cmd/compile/internal/noder/reader.go')
| -rw-r--r-- | src/cmd/compile/internal/noder/reader.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/noder/reader.go b/src/cmd/compile/internal/noder/reader.go index 01e795183d..71efac80aa 100644 --- a/src/cmd/compile/internal/noder/reader.go +++ b/src/cmd/compile/internal/noder/reader.go @@ -442,9 +442,21 @@ func (r *reader) doTyp() *types.Type { return r.structType() case pkgbits.TypeInterface: return r.interfaceType() + case pkgbits.TypeUnion: + return r.unionType() } } +func (r *reader) unionType() *types.Type { + terms := make([]*types.Type, r.Len()) + tildes := make([]bool, len(terms)) + for i := range terms { + tildes[i] = r.Bool() + terms[i] = r.typ() + } + return types.NewUnion(terms, tildes) +} + func (r *reader) interfaceType() *types.Type { tpkg := types.LocalPkg // TODO(mdempsky): Remove after iexport is gone. |