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ee690e2eb4
Instead of bailing out when we see loads, analyze them. If we can prove that the loaded-from address must escape, then we can conclude that a load from that address must escape too and therefore cannot alias a non-addr-taken global. When checking if a Value can alias a non-addr-taken global, if the Value is a LoadInst of a non-global, recurse instead of bailing. If we can follow a trail of loads up to some base that is captured, we know by inference that all the loads we followed are also captured. llvm-svn: 251017 |
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| .. | ||
| 2008-09-03-ReadGlobals.ll | ||
| aliastest.ll | ||
| atomic-instrs.ll | ||
| chaining-analysis.ll | ||
| indirect-global.ll | ||
| memset-escape.ll | ||
| modreftest.ll | ||
| nocapture.ll | ||
| nonescaping-noalias.ll | ||
| pr12351.ll | ||
| purecse.ll | ||
| volatile-instrs.ll | ||
| weak-interposition.ll | ||