Jim Laskey 7e0f0b2d24 1. Add a pass to fold debug label instructions so a debug info client can detect ... empty ranges. 2. Reorg how MachineDebugInfo maintains changes to debug labels. 3. Have dwarf writer use debug label info to simplify scopes and source line coorespondence. 4. Revert the merging of compile units until I can get the bugs ironed out. llvm-svn: 31507		2006-11-07 19:33:46 +00:00
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llvm	1. Add a pass to fold debug label instructions so a debug info client can detect	2006-11-07 19:33:46 +00:00