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(parent: 1eb5ad1) | patch
Clarify HowFarToZero computation when the step is a positive power of two. Functiona...
authorMark Heffernan <meheff@google.com>
Mon, 15 Dec 2014 21:19:53 +0000 (21:19 +0000)
committerMark Heffernan <meheff@google.com>
Mon, 15 Dec 2014 21:19:53 +0000 (21:19 +0000)
commitb10837d169180082d4114685838db57ffa26f78d
treefe175fd845b501e57465b1d3b380da121b87e4d4tree | snapshot
parent1eb5ad1ecda739264a8f383ff65c20f6e259c466commit | diff
Clarify HowFarToZero computation when the step is a positive power of two.  Functionally this should be identical to the existing code except for the case where Step is maximally negative (eg, INT_MIN).  We now punt in that one corner case to make reasoning about the code easier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224274 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors