Merging r202192:

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r202192 | hfinkel | 2014-02-25 15:51:50 -0500 (Tue, 25 Feb 2014) | 5 lines

Account for 128-bit integer operations in PPCCTRLoops

We need to abort the formation of counter-register-based loops where there are
128-bit integer operations that might become function calls.

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llvm-svn: 205822