[llvm] AlwaysInliner: Factor out some code in preparation for a future change. (PR #145614)

[Florian Hahn via llvm-commits]

================
@@ -30,6 +30,44 @@ using namespace llvm;
 
 namespace {
 
+bool canInlineCallBase(CallBase *CB) {
+  return CB->hasFnAttr(Attribute::AlwaysInline) &&
+         !CB->getAttributes().hasFnAttr(Attribute::NoInline);
+}
+
+bool attemptInlineFunction(
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fhahn wrote:

```suggestion
static bool attemptInlineFunction(
```
Could you also add a brief doc-comment?


https://github.com/llvm/llvm-project/pull/145614