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Distinguish between two copies of one inlined variable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135528 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-07-19 22:31:15 +00:00
parent 80d01dd3d1
commit c8fcfc9cd9
4 changed files with 28 additions and 3 deletions
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3
include/llvm/Analysis/DebugInfo.h
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@ -725,6 +725,9 @@ namespace llvm {
DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
LLVMContext &VMContext);
/// cleanseInlinedVariable - Remove inlined scope from the variable.
DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
class DebugInfoFinder {
public:
/// processModule - Process entire module and collect debug info

11
lib/Analysis/DebugInfo.cpp
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@ -776,6 +776,17 @@ DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
return DIVariable(MDNode::get(VMContext, Elts));
}
/// cleanseInlinedVariable - Remove inlined scope from the variable.
DIVariable llvm::cleanseInlinedVariable(MDNode *DV, 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(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext))):
Elts.push_back(DV->getOperand(i));
return DIVariable(MDNode::get(VMContext, Elts));
}
//===----------------------------------------------------------------------===//
// DebugInfoFinder implementations.
//===----------------------------------------------------------------------===//

8
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1268,14 +1268,18 @@ void DwarfDebug::endModule() {
}
/// findAbstractVariable - Find abstract variable, if any, associated with Var.
DbgVariable *DwarfDebug::findAbstractVariable(DIVariable &Var,
DbgVariable *DwarfDebug::findAbstractVariable(DIVariable &DV,
DebugLoc ScopeLoc) {
LLVMContext &Ctx = DV->getContext();
// More then one inlined variable corresponds to one abstract variable.
DIVariable Var = cleanseInlinedVariable(DV, Ctx);
DbgVariable *AbsDbgVariable = AbstractVariables.lookup(Var);
if (AbsDbgVariable)
return AbsDbgVariable;
LLVMContext &Ctx = Var->getContext();
DbgScope *Scope = AbstractScopes.lookup(ScopeLoc.getScope(Ctx));
if (!Scope)
return NULL;

9
lib/Transforms/Utils/InlineFunction.cpp
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@ -770,8 +770,15 @@ static void fixupLineNumbers(Function *Fn, Function::iterator FI,
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI) {
DebugLoc DL = BI->getDebugLoc();
if (!DL.isUnknown())
if (!DL.isUnknown()) {
BI->setDebugLoc(updateInlinedAtInfo(DL, TheCallDL, BI->getContext()));
if (DbgValueInst *DVI = dyn_cast<DbgValueInst>(BI)) {
LLVMContext &Ctx = BI->getContext();
MDNode *InlinedAt = BI->getDebugLoc().getInlinedAt(Ctx);
DVI->setOperand(2, createInlinedVariable(DVI->getVariable(),
InlinedAt, Ctx));
}
}
}
}
}