Bug 85316 (VRP)

Summary: [meta-bug] VRP range propagation missed cases
Product: gcc Reporter: Richard Biener <rguenth>
Component: tree-optimizationAssignee: Not yet assigned to anyone <unassigned>
Status: NEW ---    
Severity: enhancement CC: aldyh, aldyh, amacleod, dimhen, egallager, jmuizelaar, pinskia, sjames
Priority: P3 Keywords: meta-bug, missed-optimization
Version: 8.0   
Target Milestone: ---   
See Also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18373
Host: Target:
Build: Known to work:
Known to fail: Last reconfirmed: 2018-05-07 00:00:00
Bug Depends on: 27109, 31178, 56281, 78655, 79191, 83247, 85315, 86707, 91191, 91645, 91789, 95097, 96351, 96397, 97434, 98026, 98028, 98703, 99755, 99918, 100095, 100973, 101179, 101186, 101240, 102829, 106511, 107639, 107986, 108385, 108397, 108419, 109246, 110335, 110405, 110931, 113440, 113632, 113879, 114003, 114025, 114331, 114559, 114678, 114702, 114719, 114725, 24021, 31130, 42436, 59377, 60669, 68097, 68561, 71690, 76174, 83072, 83073, 85375, 91029, 91326, 93781, 93917, 95757, 97909, 97964, 97967, 98357, 98513, 99966, 100802, 102540, 107822, 114009    
Bug Blocks:    

Description Richard Biener 2018-04-10 09:37:05 UTC
bug tracking all missed value range propagation issues (as opposed to PR18373 tracking the need for such a pass)
Comment 1 Andrew Pinski 2018-05-07 20:58:08 UTC
.
Comment 2 Eric Gallager 2019-02-15 05:23:52 UTC
There's probably a lot more bugs that should fall under this meta-bug than currently do; I'll leave finding them all for another day though (or for someone else to do)