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DI: Use a DenseMap instead of named metadata, NFC

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Remove a strange round-trip through named metadata to assign preserved
local variables to their subprograms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219798 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-10-15 16:11:41 +00:00
parent b510f8d08c
commit 5c2d60d357
4 changed files with 8 additions and 57 deletions
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41
lib/IR/DebugInfo.cpp
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@ -936,47 +936,6 @@ unsigned DILocation::computeNewDiscriminator(LLVMContext &Ctx) {
return ++Ctx.pImpl->DiscriminatorTable[Key];
}
/// fixupSubprogramName - Replace contains special characters used
/// in a typical Objective-C names with '.' in a given string.
static void fixupSubprogramName(DISubprogram Fn, SmallVectorImpl<char> &Out) {
StringRef FName =
Fn.getFunction() ? Fn.getFunction()->getName() : Fn.getName();
FName = Function::getRealLinkageName(FName);
StringRef Prefix("llvm.dbg.lv.");
Out.reserve(FName.size() + Prefix.size());
Out.append(Prefix.begin(), Prefix.end());
bool isObjCLike = false;
for (size_t i = 0, e = FName.size(); i < e; ++i) {
char C = FName[i];
if (C == '[')
isObjCLike = true;
if (isObjCLike && (C == '[' || C == ']' || C == ' ' || C == ':' ||
C == '+' || C == '(' || C == ')'))
Out.push_back('.');
else
Out.push_back(C);
}
}
/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
/// suitable to hold function specific information.
NamedMDNode *llvm::getFnSpecificMDNode(const Module &M, DISubprogram Fn) {
SmallString<32> Name;
fixupSubprogramName(Fn, Name);
return M.getNamedMetadata(Name.str());
}
/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
/// to hold function specific information.
NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, DISubprogram Fn) {
SmallString<32> Name;
fixupSubprogramName(Fn, Name);
return M.getOrInsertNamedMetadata(Name.str());
}
/// createInlinedVariable - Create a new inlined variable based on current
/// variable.
/// @param DV Current Variable.