search for: pr48091

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2020 Nov 06
2
[DebugInfo] A value-tracking variable location update
...ving to track the location of a constant that we already know. * As mentioned in the "missing" variable locations list, gaps in lexical scopes can lead to locations not being propagated sufficiently far, a problem for both variable-location tracking solutions as documented in PR48091. However, using DBG_VALUEs to track variable locations can save a few of them because MachineSink can sink DBG_VALUEs over the scope gap, wheras instruction-referencing tries to rely on tracking debug use-before-defs which don't propagate across scope gaps. More on how to resolve th...
2020 Nov 06
0
[DebugInfo] A value-tracking variable location update
...n of a constant > that we already know. > * As mentioned in the "missing" variable locations list, gaps in lexical > scopes can lead to locations not being propagated sufficiently far, a > problem for both variable-location tracking solutions as documented in > PR48091. However, using DBG_VALUEs to track variable locations can save a > few of them because MachineSink can sink DBG_VALUEs over the scope gap, > wheras instruction-referencing tries to rely on tracking debug > use-before-defs which don't propagate across scope gaps. More on how t...