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54 Commits

Author SHA1 Message Date
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
Michael Kuperstein e18aad39ab Shut up GCC warning about operator precedence. NFC. 
Technically, this is actually changes the expression and the original
assert was "wrong", but since the conjunction is with true, it doesn't
matter in this case.

llvm-svn: 293709
 2017-01-31 22:48:45 +00:00
Krzysztof Parzyszek 35ce5dac7f [Hexagon] Remove unused variable (and silence a warning) 
llvm-svn: 293331
 2017-01-27 20:40:14 +00:00
Krzysztof Parzyszek c8b943860f [Hexagon] Add Hexagon-specific loop idiom recognition pass 
llvm-svn: 293213
 2017-01-26 21:41:10 +00:00