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(parent: 0cdb698) | patch
[LoopIdiomRecognize] Transform backedge-taken count check into an assertion.
authorDavide Italiano <davide@freebsd.org>
Mon, 11 May 2015 21:02:34 +0000 (21:02 +0000)
committerDavide Italiano <davide@freebsd.org>
Mon, 11 May 2015 21:02:34 +0000 (21:02 +0000)
commit383c55870eda2ce1664d8e9d199b1ba7bacd32ba
treef7c567aa389d16151113291c2eb9e70657413d83tree | snapshot
parent0cdb698aaef899bf6a5550f5e2ab60219fda677ecommit | diff
[LoopIdiomRecognize] Transform backedge-taken count check into an assertion.

runOnCountable() allowed the caller to call on a loop without a
predictable backedge-taken count. Change the code so that only loops
with computable backdge-count can call this function, in order to catch
abuses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237044 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LoopIdiomRecognize.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors