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| author | Owen Anderson <resistor@mac.com> | 2008-08-26 22:07:42 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-08-26 22:07:42 +0000 |
| commit | 516eb1c1396bc0a2b35573e58c567d6092ed5fd0 (patch) | |
| tree | 3883346488deb26cd7b951ad7568a7e3378bcdeb /lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 3200d92947cd64f82ca748d65d1e58c3d45f440f (diff) | |
Put a heuristic in place to prevent GVN from falling into bad cases with massively complicated CFGs.
This speeds up a particular testcase from 12+ hours to 5 seconds with little perceptible loss of quality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55391 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
0 files changed, 0 insertions, 0 deletions