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| author | Chandler Carruth <chandlerc@gmail.com> | 2014-09-19 09:45:21 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2014-09-19 09:45:21 +0000 |
| commit | 8a6536d4b27e125f6a9bcd9e574b7fca9c2cbde9 (patch) | |
| tree | 05fc9849c04226d12c94a8162b13bdbf976ee424 /llvm/lib/Bitcode/Reader/BitcodeReader.cpp | |
| parent | 662b6d84e7677fe277918cdd9e744aa03a544bed (diff) | |
[x86] Recognize that we can use duplication to widen v16i8 shuffles due
to undef lanes as well as defined widenable lanes. This dramatically
improves the lowering we use for undef-shuffles in a zext-ish pattern
for SSE2.
llvm-svn: 218115
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')
0 files changed, 0 insertions, 0 deletions