Max Kazantsev 6c466a376e [IRCE][NFC] Better get SCEV for 1 in calculateSubRanges ...

A slightly more efficient way to get constant, we avoid resolving in getSCEV and excessive
invocations, and we don't create a ConstantInt if 'true' branch is taken.

Differential Revision: https://reviews.llvm.org/D34672

llvm-svn: 306503

2017-06-28 04:57:45 +00:00

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