| commit | 731caac7c659b482b39efb97c8c282f52343daaf | [log] [tgz] |
|---|---|---|
| author | Chris Lattner <sabre@nondot.org> | Thu Nov 18 08:00:57 2010 +0000 |
| committer | Chris Lattner <sabre@nondot.org> | Thu Nov 18 08:00:57 2010 +0000 |
| tree | faf53f27949dca55ee40ed0efb7ad841c71a87e2 | |
| parent | bbb0f9661da98a040137452870cecd40f8e60cc7 [diff] |
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