[clang] [CIR] Add inline function attributes (PR #162866)

[Andy Kaylor via cfe-commits]

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@@ -1720,6 +1720,22 @@ ParseResult cir::FuncOp::parse(OpAsmParser &parser, OperationState &state) {
     hasAlias = true;
   }
 
+  // Parse optional inline attribute: inline_never, inline_always, or
+  // inline_hint
+  if (parser.parseOptionalKeyword("inline_never").succeeded()) {
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andykaylor wrote:

I think it would be better if this we represented as `inline([always|never|hint])` so that we could more easily enforce only having one of them present.

https://github.com/llvm/llvm-project/pull/162866