[PATCH] PR19958 wrong code at -O1 and above on x86_64-linux-gnu (InstCombine)

Sanjay Patel spatel at rotateright.com
Mon Jun 9 13:33:56 PDT 2014

I'm not sure what LLVM test case policy is, but I think it would be good to have contra-test cases too. Eg, a test case that doesn't specify 'exact', a test case that isn't eq/ne - these would ensure that your code is not firing when it wasn't intended. Also, can you include a 'ne' test?


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