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Simplify loop size when step=1
authorglisse <glisse@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 4 Jun 2019 20:39:32 +0000 (20:39 +0000)
committerglisse <glisse@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 4 Jun 2019 20:39:32 +0000 (20:39 +0000)
commit2ecfcddd0efc91c8f182fff436c832142fa563b7
tree0626d88c9bd844588eff098d867a4bd2995c15d7tree | snapshot
parenta717f69ab2a682ae251801a9872664f50d0c75e2commit | diff
Simplify loop size when step=1

2019-06-04  Marc Glisse  <marc.glisse@inria.fr>

* tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
computations when step is 1.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271926 138bc75d-0d04-0410-961f-82ee72b054a4
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