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| author | Bob Wilson <bob.wilson@apple.com> | 2009-12-03 06:40:55 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-12-03 06:40:55 +0000 |
| commit | 324f4f163350487243d3a93b2a79f5eb2edc3b03 (patch) | |
| tree | 85d5252ad88a57853e12b0642541835ae16efe1b /lib/Support/DeltaAlgorithm.cpp | |
| parent | 9f0d4e631d73659e8a94495b9a6d5ecbb6ad68a1 (diff) | |
Recognize canonical forms of vector shuffles where the same vector is used for
both source operands. In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand. Radar 7434842.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90417 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/DeltaAlgorithm.cpp')
0 files changed, 0 insertions, 0 deletions