http://llvm.org/bugs/show_bug.cgi?id=2188
Summary: Don't produce unneeded dwarf info
Product: new-bugs
Version: unspecified
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
If a function is marked nounwind then it should not
need any per-function frame moves. So emitting an
empty set of moves into the eh moves frame should be
ok. This would reduce the size. Maybe it would even
be possible to get rid of the frame altogether. These
kinds of optimizations would reduce the size of dwarf
info for functions which are marked nothrow (eg: throws())
and contain try-catch blocks.
It would be nice to reduce dwarf info to the absolute
minimum in general (it can take up quite some space in
the final executable).
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