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//===--- InterpShared.cpp ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "InterpShared.h"
#include "clang/AST/Attr.h"
#include "llvm/ADT/BitVector.h"
namespace clang {
namespace interp {
llvm::BitVector collectNonNullArgs(const FunctionDecl *F,
ArrayRef<const Expr *> Args) {
llvm::BitVector NonNullArgs;
if (!F)
return NonNullArgs;
assert(F);
NonNullArgs.resize(Args.size());
for (const auto *Attr : F->specific_attrs<NonNullAttr>()) {
if (!Attr->args_size()) {
NonNullArgs.set();
break;
} else
for (auto Idx : Attr->args()) {
unsigned ASTIdx = Idx.getASTIndex();
if (ASTIdx >= Args.size())
continue;
NonNullArgs[ASTIdx] = true;
}
}
return NonNullArgs;
}
} // namespace interp
} // namespace clang
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