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Patch to issue error when target of MacOS and iOS

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does not support large load/store of atomic objects.
// rdar://13973577

llvm-svn: 182781
This commit is contained in:
Fariborz Jahanian
2013-05-28 17:37:39 +00:00
parent bac964e14f
commit 615de765ab
6 changed files with 63 additions and 9 deletions
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14
clang/lib/Sema/SemaChecking.cpp
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@@ -908,10 +908,18 @@ ExprResult Sema::SemaAtomicOpsOverloaded(ExprResult TheCallResult,
SubExprs.push_back(TheCall->getArg(3)); // Weak
break;
}
AtomicExpr *AE = new (Context) AtomicExpr(TheCall->getCallee()->getLocStart(),
SubExprs, ResultType, Op,
TheCall->getRParenLoc());
if ((Op == AtomicExpr::AO__c11_atomic_load ||
(Op == AtomicExpr::AO__c11_atomic_store)) &&
Context.AtomicUsesUnsupportedLibcall(AE))
Diag(AE->getLocStart(), diag::err_atomic_load_store_uses_lib) <<
((Op == AtomicExpr::AO__c11_atomic_load) ? 0 : 1);
return Owned(new (Context) AtomicExpr(TheCall->getCallee()->getLocStart(),
SubExprs, ResultType, Op,
TheCall->getRParenLoc()));
return Owned(AE);
}