[PATCH] D22204: Add getReturnedArgOperand to Call/InvokeInst, CallSite

[Hal Finkel via llvm-commits]

hfinkel added inline comments.

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Comment at: include/llvm/IR/Attributes.h:343-344
@@ -343,1 +342,4 @@
+  /// of a parameter with the specified attribute is provided.
+  bool hasAttrSomewhere(Attribute::AttrKind Kind,
+                        unsigned *Index = nullptr) const;
 
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majnemer wrote:
> hfinkel wrote:
> > majnemer wrote:
> > > Maybe this interface would be nicer if it returned an `Optional<bool>`.  I think it would have minimal impact on the callers.
> > True. I'd need to update all existing callers to call hasValue(), right? I can do that separately.
> No, `Optional` has an `explicit operator bool()`.
OIC, thanks! I think I'll do this later regardless because I should, however, also rename the function when I do this. It should become something like:

  Optional<unsigned> getAttrIndex(Attribute::AttrKind Kind) const;



http://reviews.llvm.org/D22204