================
@@ -3229,6 +3230,52 @@ void Sema::CheckArgAlignment(SourceLocation Loc,
NamedDecl *FDecl,
<< ParamName << (FDecl != nullptr) << FDecl;
}
+void Sema::checkLifetimeCaptureBy(FunctionDecl *FD, bool IsMemberFunction,
+ const Expr *ThisArg,
+ ArrayRef<const Expr *> Args) {
+ auto GetArgAt = [&](int Idx) -> Expr * {
+ if (Idx == LifetimeCaptureByAttr::GLOBAL ||
+ Idx == LifetimeCaptureByAttr::UNKNOWN)
+ return nullptr;
+ if (IsMemberFunction && Idx == 0)
+ return const_cast<Expr *>(ThisArg);
+ return const_cast<Expr *>(Args[Idx - int(IsMemberFunction)]);
+ };
+ for (unsigned I = 0; I < FD->getNumParams(); ++I) {
+ auto *CapturedByAttr =
+ FD->getParamDecl(I)->getAttr<LifetimeCaptureByAttr>();
+ if (!CapturedByAttr)
+ continue;
+ for (int CapturingParamIdx : CapturedByAttr->params()) {
+ Expr *Capturing = GetArgAt(CapturingParamIdx);
+ Expr *Captured = GetArgAt(I + IsMemberFunction);
----------------
bricknerb wrote:
It seems like this can be moved outside of this loop.
https://github.com/llvm/llvm-project/pull/115921
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