Displaying 2 results from an estimated 2 matches for "afbc04e1dcba".
2020 Feb 26
2
Why is lldb telling me "variable not available"?
Vedant, Jeremy,
Thanks a ton! I copied ASan's use of 'replaceDbgDeclare', think that worked!
https://github.com/modocache/llvm-project/commit/afbc04e1dcba has some
extremely quick and dirty changes I made (with no tests!), and a link
to a Gist with the LLVM IR and DWARF produced,
https://gist.github.com/modocache/6f29093ba2827946011b422ed3bd2903.
There's only one kink: the spot I placed it has 'replaceDbgDeclare'
called multiple times, a...
2020 Feb 26
2
Why is lldb telling me "variable not available"?
I haven't fully parsed this thread (sorry!), but I wanted to briefly mention that the SafeStack & ASan passes both do something similar (I think): move local variables backed by allocas onto a separate stack. These passes use replaceDbgDeclare to rewrite dbg.declares s.t. they point into the new stack. After that, llvm presumably runs LowerDbgDeclare (usually via InstCombine), but all the