[PATCH] CodeGen: Emit constant array temporaries into read-only globals.

[Richard Smith]

In http://reviews.llvm.org/D8034#133876, @bkramer wrote:

> Not sure if I understand. If the temporary needs dynamic initialization then we can't constant fold the initializer and fall through to the existing CreateMemTemp call.


Sure, but `CreateMemTemp` doesn't perform the initialization; that's done by the caller. How does the caller know to not do that?


http://reviews.llvm.org/D8034

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