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Author SHA1 Message Date
River Riddle 54cd6a7e97 NFC: Refactor Function to be value typed. 
Move the data members out of Function and into a new impl storage class 'FunctionStorage'. This allows for Function to become value typed, which will greatly simplify the transition of Function to FuncOp(given that FuncOp is also value typed).

PiperOrigin-RevId: 255983022
 2019-07-01 11:39:00 -07:00
Jacques Pienaar 1273af232c Add build files and update README. 
* Add initial version of build files;
    * Update README with instructions to download and build MLIR from github;

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PiperOrigin-RevId: 241102092
 2019-03-30 11:23:22 -07:00
River Riddle 2d2b40bce5 Add basic infrastructure for instrumenting pass execution and analysis computation. A virtual class, PassInstrumentation, is provided to allow for different parts of the pass manager infrastructure. The currently available hooks allow for instrumenting: 
* before/after pass execution
* after a pass fails
* before/after an analysis is computed

After getting this infrastructure in place, we can start providing common developer utilities like pass timing, IR printing after pass execution, etc.

PiperOrigin-RevId: 237709692
 2019-03-29 17:10:06 -07:00
River Riddle d43f630de8 NFC: Remove 'Result' from the analysis manager api to better reflect the implementation. There is no distinction between analysis computation and result. 
PiperOrigin-RevId: 237093101
 2019-03-29 17:02:12 -07:00
River Riddle 1d87b62afe Add support for preserving specific analyses in the analysis manager. Passes can now preserve specific analyses via 'markAnalysesPreserved'. 
Example:

markAnalysesPreserved<DominanceInfo>();
markAnalysesPreserved<DominanceInfo, PostDominanceInfo>();

PiperOrigin-RevId: 237081454
 2019-03-29 17:01:41 -07:00