From afd7c15c7f2d5ffd7e5f6234d76cc6698f86c06e Mon Sep 17 00:00:00 2001
From: Keith Randall <khr@golang.org>
Date: Mon, 25 Sep 2023 13:42:19 -0700
Subject: cmd/compile: use cache in front of convI2I

This is the last of the getitab users to receive a cache.
We should now no longer see getitab (and callees) in profiles.
Hopefully.

Change-Id: I2ed72b9943095bbe8067c805da7f08e00706c98c
Reviewed-on: https://go-review.googlesource.com/c/go/+/531055
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
---
 test/codegen/switch.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'test/codegen/switch.go')

diff --git a/test/codegen/switch.go b/test/codegen/switch.go
index b0186ba5b7..4103bf5297 100644
--- a/test/codegen/switch.go
+++ b/test/codegen/switch.go
@@ -125,6 +125,10 @@ type I interface {
 type J interface {
 	bar()
 }
+type IJ interface {
+	I
+	J
+}
 
 // use a runtime call for type switches to interface types.
 func interfaceSwitch(x any) int {
@@ -148,3 +152,9 @@ func interfaceCast(x any) int {
 	}
 	return 5
 }
+
+func interfaceConv(x IJ) I {
+	// amd64:`CALL\truntime.typeAssert`,`MOVL\t16\(.*\)`,`MOVQ\t8\(.*\)(.*\*1)`
+	// arm64:`CALL\truntime.typeAssert`,`LDAR`,`MOVWU`,`MOVD\t\(R.*\)\(R.*\)`
+	return x
+}
-- 
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