cmd/compile: cleanup atomic.Pointer[T] inline test

Updates #57410

Change-Id: I9be38e20c6b83d14f7785049a66de77ac7ecdf15
Reviewed-on: https://go-review.googlesource.com/c/go/+/463997
Run-TryBot: Cuong Manh Le <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Auto-Submit: Cuong Manh Le <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Matthew Dempsky <[email protected]>

Author: cuonglm

src/cmd/compile/internal/test/inl_test.go

@@ -208,7 +208,10 @@ func TestIntendedInlining(t *testing.T) {
 			"(*Uintptr).Load",
 			"(*Uintptr).Store",
 			"(*Uintptr).Swap",
-			// (*Pointer[T])'s methods' handled below.
+			"(*Pointer[go.shape.int]).CompareAndSwap",
+			"(*Pointer[go.shape.int]).Load",
+			"(*Pointer[go.shape.int]).Store",
+			"(*Pointer[go.shape.int]).Swap",
 		},
 	}
 
@@ -234,14 +237,6 @@ func TestIntendedInlining(t *testing.T) {
 		// (*Bool).CompareAndSwap is just over budget on 32-bit systems (386, arm).
 		want["sync/atomic"] = append(want["sync/atomic"], "(*Bool).CompareAndSwap")
 	}
-	if true /* was buildcfg.Experiment.Unified */ {
-		// Non-unified IR does not report "inlining call ..." for atomic.Pointer[T]'s methods.
-		// TODO(cuonglm): remove once non-unified IR frontend gone.
-		want["sync/atomic"] = append(want["sync/atomic"], "(*Pointer[go.shape.int]).CompareAndSwap")
-		want["sync/atomic"] = append(want["sync/atomic"], "(*Pointer[go.shape.int]).Load")
-		want["sync/atomic"] = append(want["sync/atomic"], "(*Pointer[go.shape.int]).Store")
-		want["sync/atomic"] = append(want["sync/atomic"], "(*Pointer[go.shape.int]).Swap")
-	}
 
 	switch runtime.GOARCH {
 	case "386", "wasm", "arm":