From: Matthew Dempsky <mdempsky@google.com>
Date: Sat, 28 Aug 2021 05:53:48 +0000 (-0700)
Subject: cmd/compile/internal/types: remove unused Tie method
X-Git-Tag: go1.18beta1~1582
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=21d0b306afc204d9b523a89914b6440dcc6d73cc;p=gostls13.git

cmd/compile/internal/types: remove unused Tie method

Once upon a time, this was used by package walk to compute the
"conv[TIE]2[TIE]" function names, etc.; but it seems like those
callers have all changed to directly specializing on IsInterface and
IsEmptyInterface instead.

Change-Id: I629cdf076a09e7255ae293b8f879db0cdcf4de5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/345793
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
---

diff --git a/src/cmd/compile/internal/types/type.go b/src/cmd/compile/internal/types/type.go
index 60bb7b46fa..c510a705f2 100644
--- a/src/cmd/compile/internal/types/type.go
+++ b/src/cmd/compile/internal/types/type.go
@@ -1680,19 +1680,6 @@ func (t *Type) HasPointers() bool {
 	return PtrDataSize(t) > 0
 }
 
-// Tie returns 'T' if t is a concrete type,
-// 'I' if t is an interface type, and 'E' if t is an empty interface type.
-// It is used to build calls to the conv* and assert* runtime routines.
-func (t *Type) Tie() byte {
-	if t.IsEmptyInterface() {
-		return 'E'
-	}
-	if t.IsInterface() {
-		return 'I'
-	}
-	return 'T'
-}
-
 var recvType *Type
 
 // FakeRecvType returns the singleton type used for interface method receivers.