go/test/codegen/ifaces.go
Keith Randall 072eea9b3b cmd/compile: avoid ifaceeq call if we know the interface is direct
We can just use == if the interface is direct.

Fixes #70738

Change-Id: Ia9a644791a370fec969c04c42d28a9b58f16911f
Reviewed-on: https://go-review.googlesource.com/c/go/+/635435
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2025-02-10 13:28:41 -08:00

64 lines
1.2 KiB
Go

// asmcheck
// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package codegen
type I interface{ M() }
func NopConvertIface(x I) I {
// amd64:-`.*runtime.convI2I`
return I(x)
}
func NopConvertGeneric[T any](x T) T {
// amd64:-`.*runtime.convI2I`
return T(x)
}
var NopConvertGenericIface = NopConvertGeneric[I]
func ConvToM(x any) I {
// amd64:`CALL\truntime.typeAssert`,`MOVL\t16\(.*\)`,`MOVQ\t8\(.*\)(.*\*1)`
// arm64:`CALL\truntime.typeAssert`,`LDAR`,`MOVWU`,`MOVD\t\(R.*\)\(R.*\)`
return x.(I)
}
func e1(x any, y *int) bool {
// amd64:-`.*faceeq`,`SETEQ`
// arm64:-`.*faceeq`,`CSET\tEQ`
return x == y
}
func e2(x any, y *int) bool {
// amd64:-`.*faceeq`,`SETEQ`
// arm64:-`.*faceeq`,`CSET\tEQ`
return y == x
}
type E *int
func e3(x any, y E) bool {
// amd64:-`.*faceeq`,`SETEQ`
// arm64:-`.*faceeq`,`CSET\tEQ`
return x == y
}
type T int
func (t *T) M() {}
func i1(x I, y *T) bool {
// amd64:-`.*faceeq`,`SETEQ`
// arm64:-`.*faceeq`,`CSET\tEQ`
return x == y
}
func i2(x I, y *T) bool {
// amd64:-`.*faceeq`,`SETEQ`
// arm64:-`.*faceeq`,`CSET\tEQ`
return y == x
}