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author | Paul Redmond <paul.redmond@intel.com> | 2013-01-04 22:10:16 +0000 |
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committer | Paul Redmond <paul.redmond@intel.com> | 2013-01-04 22:10:16 +0000 |
commit | 874f01e9565541992ef6e9b35e83370533dc4ff1 (patch) | |
tree | 508e4d08aa24debad5841bc517e7d5bb7ba98034 /llvm/lib/CodeGen/MachineInstrBundle.cpp | |
parent | cad9b53c02fc7f4990afd64c59b2b4e44108fe11 (diff) | |
download | llvm-874f01e9565541992ef6e9b35e83370533dc4ff1.zip llvm-874f01e9565541992ef6e9b35e83370533dc4ff1.tar.gz llvm-874f01e9565541992ef6e9b35e83370533dc4ff1.tar.bz2 |
Do not vectorize loops with subtraction reductions
Since subtraction does not commute the loop vectorizer incorrectly vectorizes
reductions such as x = A[i] - x.
Disabling for now.
llvm-svn: 171537
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstrBundle.cpp')
0 files changed, 0 insertions, 0 deletions