Commit Graph

2 Commits

Author SHA1 Message Date
Devang Patel 39c041cae7 Do not accidently initialize NumDbgValueLost and NumDbgLineLost counts.
llvm-svn: 127720
2011-03-16 00:27:57 +00:00
Devang Patel fa31d38aad Introduce DebugInfoProbe. This is used to monitor how llvm optimizer is treating debugging information.
It generates output that lools like

8 times line number info lost by Scalar Replacement of Aggregates (SSAUp) 
1 times line number info lost by Simplify well-known library calls 
12 times variable info lost by Jump Threading

llvm-svn: 127381
2011-03-10 00:21:25 +00:00