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3 Commits

Author SHA1 Message Date
Krzysztof Parzyszek d033d1fd82 Recommit r298282 with fixes for memory allocation/deallocation 
[Hexagon] Recognize polynomial-modulo loop idiom again

Regain the ability to recognize loops calculating polynomial modulo
operation. This ability has been lost due to some changes in the
preceding optimizations. Add code to preprocess the IR to a form
that the pattern matching code can recognize.

llvm-svn: 298400
 2017-03-21 17:09:27 +00:00
Vitaly Buka c12716e742 Revert "[Hexagon] Recognize polynomial-modulo loop idiom again" 
Fix memory leaks on check-llvm tests detected by Asan.

This reverts commit r298282.

llvm-svn: 298329
 2017-03-21 00:59:51 +00:00
Krzysztof Parzyszek 8490251de3 [Hexagon] Recognize polynomial-modulo loop idiom again 
Regain the ability to recognize loops calculating polynomial modulo
operation. This ability has been lost due to some changes in the
preceding optimizations. Add code to preprocess the IR to a form
that the pattern matching code can recognize.

llvm-svn: 298282
 2017-03-20 18:12:58 +00:00