| commit | da0071eaca85f992f0067e656d5e421c7827cfff | |
| author | Dan Gohman <gohman@apple.com> | |
| Fri, 8 May 2009 20:47:27 +0000 (8 20:47 +0000) | ||
| committer | Dan Gohman <gohman@apple.com> | |
| Fri, 8 May 2009 20:47:27 +0000 (8 20:47 +0000) | ||
| tree | 95581b83940c6bc94cca278ab8acc1062a7a3ff6 | treesnapshot (tar.gz zip) |
| parent | dd40e9a6c05ae0c9a5389b854355d700bf064cf5 | commitdiff |
Add memoization for getSCEVAtScope results for instructions
which are not analyzed with SCEV techniques, which can require
brute-forcing through a large number of instructions. This
fixes a massive compile-time issue on 400.perlbench (in
particular, the loop in MD5Transform).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71259 91177308-0d34-0410-b5e6-96231b3b80d8
which are not analyzed with SCEV techniques, which can require
brute-forcing through a large number of instructions. This
fixes a massive compile-time issue on 400.perlbench (in
particular, the loop in MD5Transform).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71259 91177308-0d34-0410-b5e6-96231b3b80d8
| include/llvm/Analysis/ScalarEvolution.h | diffblobblamehistory | |
| lib/Analysis/ScalarEvolution.cpp | diffblobblamehistory |