search for: rl326998

...r326790](http://reviews.llvm.org/rL326790), [r327117](http://reviews.llvm.org/rL327117), [r327121](http://reviews.llvm.org/rL327121). * llvm-mca, the LLVM Machine Code Analyzer tool, has been committed. It an be used to statically estimate the performance of code. [r326998](http://reviews.llvm.org/rL326998). * The syntax for `!foreach` in TableGen has been modified, allowing more complex expressions. [r326705](http://reviews.llvm.org/rL26705). * `llvm::GetStatistics()` can now be used to inspect the statistics which have been touched during execution. [r32738](http://reviews.llvm.org/rL326738). *...