[llvm] r179140 - Generalize the PassConfig API and remove addFinalizeRegAlloc().

Krzysztof Parzyszek kparzysz at codeaurora.org
Wed Apr 10 07:06:02 PDT 2013


On 4/9/2013 11:50 PM, Andrew Trick wrote:
>
> Sorry, I thought that hook was a temporary hack and didn't have out-of-tree users yet. I'm glad your were paying attention.

Thanks, I'll try your suggestions.

Our use is (hopefully) also a temporary hack---it's about the 
imp-use/imp-def flags on register pairs, which pessimizes things for us. 
  We have a few passes that run post-RA and do some magic to alleviate 
this issue, but it's not something that's an elegant, long-term solution...

-Krzysztof

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