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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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8
include/llvm/CodeGen/DwarfWriter.h
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@@ -33,7 +33,7 @@ class MachineFunction;
class MachineInstr;
class Value;
class Module;
class GlobalVariable;
class MDNode;
class MCAsmInfo;
class raw_ostream;
class Instruction;
@@ -88,17 +88,17 @@ public:
unsigned RecordSourceLine(unsigned Line, unsigned Col, DICompileUnit CU);
/// RecordRegionStart - Indicate the start of a region.
unsigned RecordRegionStart(GlobalVariable *V);
unsigned RecordRegionStart(MDNode *N);
/// RecordRegionEnd - Indicate the end of a region.
unsigned RecordRegionEnd(GlobalVariable *V);
unsigned RecordRegionEnd(MDNode *N);
/// getRecordSourceLineCount - Count source lines.
unsigned getRecordSourceLineCount();
/// RecordVariable - Indicate the declaration of a local variable.
///
void RecordVariable(GlobalVariable *GV, unsigned FrameIndex);
void RecordVariable(MDNode *N, unsigned FrameIndex);
/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
/// be emitted.