[cfe-dev] food for optimizer developers

[Chris Lattner]

On Aug 10, 2010, at 8:42 AM, Chris Lattner wrote:

> Please file a bug with the reduced .cpp testcase.  My wild guess is that this is a failure because we don't have TBAA yet, which isn't being worked on.  What flags are you passing to the compiler?  Anything like -ffast-math?  Note that ifort defaults to "fast and loose" numerics iirc.

Rather, "which *is* being worked on".  You can quickly verify this assumption by seeing if gcc generates similar code to llvm when you pass -fno-strict-aliasing to gcc.

-Chris