commit | a990e071f2f29ba326b97a4288207a2c406c5b66 | [log] [tgz] |
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author | Eli Friedman <eli.friedman@gmail.com> | Wed Jun 15 00:47:34 2011 +0000 |
committer | Eli Friedman <eli.friedman@gmail.com> | Wed Jun 15 00:47:34 2011 +0000 |
tree | e8cbb5c0753c3ec918e55227016ef7f0a4ecb6dc | |
parent | 7b9cafde5e3faec22bbfbbc90cca0876968abad9 [diff] |
Add "unknown" results for memdep, which mean "I don't know whether a dependence for the given instruction exists in the given block". This cleans up all the existing hacks in memdep which represent this concept by returning clobber with various unrelated instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133031 91177308-0d34-0410-b5e6-96231b3b80d8