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Emit correct linkage-name attribute based on DWARF version.

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There are still 4 tests that check for DW_AT_MIPS_linkage_name,
because they specify DWARF 2 or 3 in the module metadata. So, I didn't
create an explicit version-based test for the attribute.

Differential Revision: http://reviews.llvm.org/D8227


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231880 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Paul Robinson
2015-03-10 22:44:45 +00:00
parent 7c7b72a066
commit 107918efa2
16 changed files with 34 additions and 32 deletions
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11
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -174,16 +174,7 @@ DIE *DwarfCompileUnit::getOrCreateGlobalVariableDIE(DIGlobalVariable GV) {
}
addBlock(*VariableDIE, dwarf::DW_AT_location, Loc);
// Add the linkage name.
StringRef LinkageName = GV.getLinkageName();
if (!LinkageName.empty())
// From DWARF4: DIEs to which DW_AT_linkage_name may apply include:
// TAG_common_block, TAG_constant, TAG_entry_point, TAG_subprogram and
// TAG_variable.
addString(*VariableDIE,
DD->getDwarfVersion() >= 4 ? dwarf::DW_AT_linkage_name
: dwarf::DW_AT_MIPS_linkage_name,
GlobalValue::getRealLinkageName(LinkageName));
addLinkageName(*VariableDIE, GV.getLinkageName());
} else if (const ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(GV.getConstant())) {
addConstantValue(*VariableDIE, CI, GTy);