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Print function info. Patch by Minjang Kim.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125567 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-02-15 17:24:56 +00:00
parent ab4c366274
commit 497acb91dc
2 changed files with 34 additions and 2 deletions
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8
lib/Analysis/DbgInfoPrinter.cpp
View File

@ -66,8 +66,12 @@ void PrintDbgInfo::printVariableDeclaration(const Value *V) {
Out << "; ";
WriteAsOperand(Out, V, false, 0);
Out << " is variable " << DisplayName
<< " of type " << Type << " declared at ";
if (isa<Function>(V))
Out << " is function " << DisplayName
<< " of type " << Type << " declared at ";
else
Out << " is variable " << DisplayName
<< " of type " << Type << " declared at ";
if (PrintDirectory)
Out << Directory << "/";

28
lib/Analysis/DebugInfo.cpp
View File

@ -1592,6 +1592,23 @@ static Value *findDbgGlobalDeclare(GlobalVariable *V) {
return 0;
}
/// Find the debug info descriptor corresponding to this function.
static Value *findDbgSubprogramDeclare(Function *V) {
const Module *M = V->getParent();
NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.sp");
if (!NMD)
return 0;
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
DIDescriptor DIG(cast<MDNode>(NMD->getOperand(i)));
if (!DIG.isSubprogram())
continue;
if (DISubprogram(DIG).getFunction() == V)
return DIG;
}
return 0;
}
/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any.
/// It looks through pointer casts too.
static const DbgDeclareInst *findDbgDeclare(const Value *V) {
@ -1627,6 +1644,17 @@ bool llvm::getLocationInfo(const Value *V, std::string &DisplayName,
if (!DIGV) return false;
DIGlobalVariable Var(cast<MDNode>(DIGV));
StringRef D = Var.getDisplayName();
if (!D.empty())
DisplayName = D;
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit();
TypeD = Var.getType();
} else if (Function *F = dyn_cast<Function>(const_cast<Value*>(V))){
Value *DIF = findDbgSubprogramDeclare(F);
if (!DIF) return false;
DISubprogram Var(cast<MDNode>(DIF));
StringRef D = Var.getDisplayName();
if (!D.empty())
DisplayName = D;