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author | Chris Lattner <sabre@nondot.org> | 2010-11-18 08:00:57 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-11-18 08:00:57 +0000 |
commit | 731caac7c659b482b39efb97c8c282f52343daaf (patch) | |
tree | faf53f27949dca55ee40ed0efb7ad841c71a87e2 /clang/lib/Basic/SourceManager.cpp | |
parent | bbb0f9661da98a040137452870cecd40f8e60cc7 (diff) | |
download | bcm5719-llvm-731caac7c659b482b39efb97c8c282f52343daaf.tar.gz bcm5719-llvm-731caac7c659b482b39efb97c8c282f52343daaf.zip |
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 'clang/lib/Basic/SourceManager.cpp')
0 files changed, 0 insertions, 0 deletions