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| author | Youlin Feng <fengyoulin@live.com> | 2024-10-08 12:49:30 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-10-25 02:56:11 +0000 |
| commit | 711552e98acbfda7e974dacf4e3a0a8f8dcaa371 (patch) | |
| tree | 07f46ffb28a9cdbcf3a1c6f42ffac805ec407b58 /test/codegen | |
| parent | 15c558016088d6aaf103b4f0fd2b716a4573e5a2 (diff) | |
| download | go-711552e98acbfda7e974dacf4e3a0a8f8dcaa371.tar.xz | |
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>
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/typeswitch.go | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/test/codegen/typeswitch.go b/test/codegen/typeswitch.go index 495853ed3c..93f8e84269 100644 --- a/test/codegen/typeswitch.go +++ b/test/codegen/typeswitch.go @@ -37,11 +37,31 @@ func swGYZ[T any](a Ig[T]) { t.Y() case Iz: // amd64:-".*typeAssert" t.Z() - case interface{ G() T }: // amd64:-".*typeAssert",".*assertE2I" + case interface{ G() T }: // amd64:-".*typeAssert",-".*assertE2I\\(",".*assertE2I2" + t.G() + } +} + +func swE2G[T any](a any) { + switch t := a.(type) { + case Iy: + t.Y() + case Ig[T]: // amd64:-".*assertE2I\\(",".*assertE2I2" + t.G() + } +} + +func swI2G[T any](a Ix) { + switch t := a.(type) { + case Iy: + t.Y() + case Ig[T]: // amd64:-".*assertE2I\\(",".*assertE2I2" t.G() } } func swCaller() { swGYZ[int]((Ig[int])(nil)) + swE2G[int]((Ig[int])(nil)) + swI2G[int]((Ix)(nil)) } |