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* [Hexagon] Use constant extenders to fix up hardware loopsBrendon Cahoon2015-04-271-0/+36
Use a loop instruction with a constant extender for a hardware loop instruction that is too far away from the start of the loop. This is cheaper than changing the SA register value. Differential Revision: http://reviews.llvm.org/D9262 llvm-svn: 235882
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