2 Commits

Author SHA1 Message Date
Youlin Feng
711552e98a cmd/compile: optimize type switch for a single runtime known type with a case var
Change-Id: I03ba70076d6dd3c0b9624d14699b7dd91a3c0e9b
Reviewed-on: https://go-review.googlesource.com/c/go/+/618476
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2024-10-25 02:56:11 +00:00
Cuong Manh Le
7e2487cf65 cmd/compile: avoid dynamic type when possible
If the expression type is a single compile-time known type, use that
type instead of the dynamic one, so the later passes of the compiler
could skip un-necessary runtime calls.

Thanks Youlin Feng for writing the original test case.

Change-Id: I3f65ab90f041474a9731338a82136c1d394c1773
Reviewed-on: https://go-review.googlesource.com/c/go/+/616975
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-10-07 19:12:01 +00:00