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| author | Chris Lattner <sabre@nondot.org> | 2010-11-18 08:00:57 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-11-18 08:00:57 +0000 |
| commit | 731caac7c659b482b39efb97c8c282f52343daaf (patch) | |
| tree | faf53f27949dca55ee40ed0efb7ad841c71a87e2 /llvm/lib/Transforms/Utils | |
| parent | bbb0f9661da98a040137452870cecd40f8e60cc7 (diff) | |
| download | llvm-731caac7c659b482b39efb97c8c282f52343daaf.zip llvm-731caac7c659b482b39efb97c8c282f52343daaf.tar.gz llvm-731caac7c659b482b39efb97c8c282f52343daaf.tar.bz2 | |
remove a pointless restriction from memcpyopt. It was
refusing to optimize two memcpy's like this:
copy A <- B
copy C <- A
if it couldn't prove that noalias(B,C). We can eliminate
the copy by producing a memmove instead of memcpy.
llvm-svn: 119694
Diffstat (limited to 'llvm/lib/Transforms/Utils')
0 files changed, 0 insertions, 0 deletions