lib/CodeGen/CGDecl.cpp

437       bool NRVO = flags.isForNormalCleanup() && NRVOFlag;
440       if (NRVO) {
441         // If we exited via NRVO, we skip the destructor call.
455       if (NRVO) CGF.EmitBlock(SkipDtorBB);
958     bool NRVO = getLangOpts().ElideConstructors &&
975       // If the variable's a const type, and it's neither an NRVO
978       if (CGM.getCodeGenOpts().MergeAllConstants && !NRVO && !isByRef &&
993     // unless it's an NRVO variable.
995     if (NRVO) {
1003           // Create a flag that is used to indicate when the NRVO was applied
1004           // to this variable. Set it to zero to indicate that NRVO was not
1012           // Record the NRVO flag for this variable.
1333     // If there's an NRVO flag on the emission, we need a different