Commit message (Collapse) | Author | Age | Files | Lines | |
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* | [SCEV] Do not bother creating separate SCEVUnknown for unreachable nodes | Max Kazantsev | 2019-02-04 | 1 | -1/+1 |
| | | | | | | | | | | | Currently, SCEV creates SCEVUnknown for every node of unreachable code. If we have a huge amounts of such code, we will be littering SE with these nodes. We could just state that they all are undef and save some memory. Differential Revision: https://reviews.llvm.org/D57567 Reviewed By: sanjoy llvm-svn: 353017 | ||||
* | Avoid analyzing instructions in blocks not reachable from the entry block. | Dan Gohman | 2010-03-09 | 1 | -0/+13 |
They are lots of trouble, and they don't matter. This fixes PR6559. llvm-svn: 98103 |