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55 Commits

Author SHA1 Message Date
David Blaikie 1ca2f36289 Refactor filename/directory in DICompileUnit into a DIFile 
This is the next step towards making the metadata for DIScopes have a common
prefix rather than having to delegate based on their tag type.

llvm-svn: 176913
 2013-03-13 00:01:35 +00:00
David Blaikie 452c3ff649 Remove unused "isMain" field from DICompileUnit 
llvm-svn: 176910
 2013-03-12 22:43:04 +00:00
David Blaikie a4f770d51c Update debug info test cases with empty SplitDebugFilename field. 
This could be 'null' or the empty string, DIDescriptor::getStringField
coalesces the two cases anyway so it's just a matter of legible/efficient
representation.

The change in behavior of the DICompileUnit::get* functions could be
subsumed by the full verification check - but ideally that should just be an
assertion if we could front-load the actual debug info metadata failure paths.

llvm-svn: 176907
 2013-03-12 22:25:36 +00:00
Manman Ren 7a4c8a783c Clean up LDV, no functionality change. 
Remove dead functions: renameRegister
Move private member variables from LDV to Impl
Remove ssp/uwtable from testing case

llvm-svn: 175072
 2013-02-13 20:23:48 +00:00
Manman Ren f019cd62da Debug Info: LiveDebugVarible can remove DBG_VALUEs, make sure we emit them back. 
RegisterCoalescer used to depend on LiveDebugVariable. LDV removes DBG_VALUEs
without emitting them at the end.

We fix this by removing LDV from RegisterCoalescer. Also add an assertion to
make sure we call emitDebugValues if DBG_VALUEs are removed at
runOnMachineFunction.

rdar://problem/13183203
Reviewed by Andy & Jakob

llvm-svn: 175023
 2013-02-13 01:14:49 +00:00