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[SCEV] Slightly generalize getRangeViaFactoring
authorSanjoy Das <sanjoy@playingwithpointers.com>
Wed, 9 Mar 2016 01:50:57 +0000 (01:50 +0000)
committerSanjoy Das <sanjoy@playingwithpointers.com>
Wed, 9 Mar 2016 01:50:57 +0000 (01:50 +0000)
commit59c4644550760bb1af6ec501718b89993df265e8
tree0c2333138011b759c8497b752a1517821f797892tree | snapshot
parent73cf01b19365604fd2f835379e4b5afb7ef02db6commit | diff
[SCEV] Slightly generalize getRangeViaFactoring

This change generalizes ScalarEvolution::getRangeViaFactoring to work
with {Ext(C?A:B),+,Ext(C?A:B)} where Ext can be a zero extend, sign
extend or truncate operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262978 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
test/Analysis/ScalarEvolution/increasing-or-decreasing-iv.ll diff | blob | history
external/llvm
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