bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
assert(CurFn && "Invalid function");
DISubprogram SP = dyn_cast<MDSubprogram>(getContext());
if (!SP)
return false;
// This variable is not inlined function argument if its scope
// does not describe current function.
return !SP.describes(CurFn);
}
DISubprogram llvm::getDISubprogram(const Function *F) {
// We look for the first instr that has a debug annotation leading back to F.
for (auto &BB : *F) {
auto Inst = std::find_if(BB.begin(), BB.end(), [](const Instruction &Inst) {
return !Inst.getDebugLoc().isUnknown();
});
if (Inst == BB.end())
continue;
DebugLoc DLoc = Inst->getDebugLoc();
const MDNode *Scope = DLoc.getScopeNode();
DISubprogram Subprogram = getDISubprogram(Scope);
return Subprogram.describes(F) ? Subprogram : DISubprogram();
}
return DISubprogram();
}
