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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2024-07-23 11:49:12 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-23 11:49:12 +0100 |
| commit | 5bd38a98d7585841c1688f6b9eee8ce150dc429c (patch) | |
| tree | 1562e562fefa9ca585df15aaa96d3309f1493ea3 /lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedProcessPythonInterface | |
| parent | fde27bd221c3ba011918a50bc2a47130959d33b7 (diff) | |
[DAG] ComputeNumSignBits - subo_carry(x,x,c) -> bitwidth 'allsignbits' (#99935)
Handle cases where the subo_carry is subtracting the same operand (=zero) - so only the subtraction of the 0/1 carry bit is affecting the result, giving a 0/-1 allsignbits value.
Noticed while improving ABDS/ABDU expansion.
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedProcessPythonInterface')
0 files changed, 0 insertions, 0 deletions