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Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135457 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-07-19 01:03:32 +00:00
parent 497a397f3e
commit 9fec5e346e
4 changed files with 32 additions and 5 deletions
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17
lib/Analysis/DebugInfo.cpp
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@@ -111,7 +111,9 @@ Function *DIDescriptor::getFunctionField(unsigned Elt) const {
unsigned DIVariable::getNumAddrElements() const {
if (getVersion() <= llvm::LLVMDebugVersion8)
return DbgNode->getNumOperands()-6;
return DbgNode->getNumOperands()-7;
if (getVersion() == llvm::LLVMDebugVersion9)
return DbgNode->getNumOperands()-7;
return DbgNode->getNumOperands()-8;
}
@@ -760,6 +762,19 @@ NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, StringRef FuncName) {
return M.getOrInsertNamedMetadata(Name.str());
}
/// createInlinedVariable - Create a new inlined variable based on current
/// variable.
/// @param DV Current Variable.
/// @param InlinedScope Location at current variable is inlined.
DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
LLVMContext &VMContext) {
SmallVector<Value *, 16> Elts;
// Insert inlined scope as 7th element.
for (unsigned i = 0, e = DV->getNumOperands(); i != e; ++i)
i == 7 ? Elts.push_back(InlinedScope) :
Elts.push_back(DV->getOperand(i));
return DIVariable(MDNode::get(VMContext, Elts));
}
//===----------------------------------------------------------------------===//
// DebugInfoFinder implementations.