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| author | Dan Gohman <gohman@apple.com> | 2009-10-30 23:15:21 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-30 23:15:21 +0000 |
| commit | 1107c63efe3bc39965bf85f823b0aed65d4bb166 (patch) | |
| tree | 3bc6efe871062f5adf985818ee63f42f8fa4099b /lib/Transforms/Utils/UnrollLoop.cpp | |
| parent | 9c41fa87eac369d84f8bfc2245084cd39f281ee4 (diff) | |
Optimize around the fact that pred_iterator is slow: instead of sorting
PHI operands by the predecessor order, sort them by the order used by the
first PHI in the block. This is still suffucient to expose duplicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85634 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/UnrollLoop.cpp')
0 files changed, 0 insertions, 0 deletions