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If we have a DIE with an AT_specification use that instead of the normal 

addr DIE when adding to the dwarf accelerator tables.

llvm-svn: 144354
This commit is contained in:
Eric Christopher 2011-11-11 01:55:22 +00:00
parent b2469060de
commit c12c211c44
1 changed files with 10 additions and 7 deletions
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11
llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -1095,6 +1095,7 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
addToContextOwner(VariableDIE, GVContext);
// Add location.
bool addToAccelTable = false;
DIE *VariableSpecDIE;
if (isGlobalVariable) {
addToAccelTable = true;
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
@ -1106,7 +1107,7 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
if (GVContext && GV.isDefinition() && !GVContext.isCompileUnit() &&
!GVContext.isFile() && !isSubprogramContext(GVContext)) {
// Create specification DIE.
DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
dwarf::DW_FORM_ref4, VariableDIE);
addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
@ -1135,13 +1136,15 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
}
if (addToAccelTable)
addAccelName(GV.getName(), VariableDIE);
if (addToAccelTable) {
DIE *AddrDIE = VariableSpecDIE ? VariableSpecDIE : VariableDIE;
addAccelName(GV.getName(), AddrDIE);
// If the linkage name is different than the name, go ahead and output
// that as well into the name table.
if (GV.getLinkageName() != "" && GV.getName() != GV.getLinkageName())
addAccelName(GV.getLinkageName(), VariableDIE);
addAccelName(GV.getLinkageName(), AddrDIE);
}
return;
}