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| author | Andrew Trick <atrick@apple.com> | 2013-10-25 21:35:52 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-10-25 21:35:52 +0000 |
| commit | 8aa8cea3e964796187f8682e502a8446b3ce02e1 (patch) | |
| tree | 35f1ab7b52c361b2082d72337ccc30234ebc760b /lib/Transforms | |
| parent | 0f978ea45945bf3b8f2ce20f46d78dc840894623 (diff) | |
| download | external_llvm-8aa8cea3e964796187f8682e502a8446b3ce02e1.zip external_llvm-8aa8cea3e964796187f8682e502a8446b3ce02e1.tar.gz external_llvm-8aa8cea3e964796187f8682e502a8446b3ce02e1.tar.bz2 | |
Fix LSR: don't normalize quadratic recurrences.
Partial fix for PR17459: wrong code at -O3 on x86_64-linux-gnu
(affecting trunk and 3.3)
ScalarEvolutionNormalization was attempting to normalize by adding and
subtracting strides. Chained recurrences don't work that way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193437 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
0 files changed, 0 insertions, 0 deletions