[llvm-commits] PATCH: Efficient constant uniquing

[Chris Lattner]

On Feb 4, 2012, at 11:16 PM, Talin wrote:

> This patch improves performance and memory usage for uniquing of ConstantStruct, ConstantArray, and ConstantVector. It's been verified to work both by myself and Meador Inge.
> 
> I'm posting it here because I wasn't sure if attaching it to the bug (http://llvm.org/bugs/show_bug.cgi?id=1210) was sufficient to get approval for submission.

Looks great to me.  It is unfortuanate that you have to manually write out the hashing logic like that, but it's fine with me.  2x memory reduction is huge!

-Chris

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