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Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well.

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This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79977 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-08-25 05:24:07 +00:00
parent 4bda11fbda
commit 2a610c7387
47 changed files with 966 additions and 1933 deletions
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2
include/llvm/CodeGen/MachineFunction.h
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@ -327,7 +327,7 @@ public:
/// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
/// source file, line, and column. If none currently exists, create a new
/// DebugLocTuple, and insert it into the DebugIdMap.
unsigned getOrCreateDebugLocID(GlobalVariable *CompileUnit,
unsigned getOrCreateDebugLocID(MDNode *CompileUnit,
unsigned Line, unsigned Col);
/// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.