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| author | Chris Lattner <sabre@nondot.org> | 2010-02-13 05:35:08 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-02-13 05:35:08 +0000 |
| commit | 98d5c3141eddc84a8bcf7db57332967695585e42 (patch) | |
| tree | d62f4cb77ec83676ced166081a11e82dc401c1fb /lib/Transforms/Utils/AddrModeMatcher.cpp | |
| parent | 6686c6bf68148190309451aa9a79d2efd38ce698 (diff) | |
Split some code out to a helper function (FindReusablePredBB)
and add a doxygen comment.
Cache the phi entry to avoid doing tons of
PHINode::getBasicBlockIndex calls in the common case.
On my insane testcase from re2c, this speeds up CGP from
617.4s to 7.9s (78x).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96083 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/AddrModeMatcher.cpp')
0 files changed, 0 insertions, 0 deletions