Amending r208439 to remove buildLExpr; this code isn't strictly required yet, and fixes a dead code warning.

llvm-svn: 208440
This commit is contained in:
Aaron Ballman 2014-05-09 18:44:48 +00:00
parent 7c192b452f
commit 0c6a14ca82
1 changed files with 0 additions and 46 deletions

View File

@ -709,52 +709,6 @@ public:
}
};
/// \brief Attempts to create an LExpr from a Clang Expr. If an LExpr cannot be
/// constructed, returns a null pointer. Recursive function that terminates when
/// the complete expression is handled, or when a failure to create an LExpr
/// occurs.
static clang::threadSafety::lexpr::LExpr *
buildLExpr(threadSafety::til::MemRegionRef &Arena, const Expr *CurExpr) {
using namespace clang::threadSafety::lexpr;
using namespace clang::threadSafety::til;
if (const auto *DRE = dyn_cast<DeclRefExpr>(CurExpr)) {
// TODO: Construct the til::SExpr leaf properly.
return new Terminal(new (Arena) Variable());
} else if (const auto *ME = dyn_cast<MemberExpr>(CurExpr)) {
// TODO: Construct the til::SExpr leaf properly.
return new Terminal(new (Arena) Variable());
} else if (const auto *BOE = dyn_cast<BinaryOperator>(CurExpr)) {
switch (BOE->getOpcode()) {
case BO_LOr:
case BO_LAnd: {
auto *LHS = buildLExpr(Arena, BOE->getLHS());
auto *RHS = buildLExpr(Arena, BOE->getRHS());
if (!LHS || !RHS)
return nullptr;
if (BOE->getOpcode() == BO_LOr)
return new Or(LHS, RHS);
else
return new And(LHS, RHS);
}
default:
break;
}
} else if (const auto *UOE = dyn_cast<UnaryOperator>(CurExpr)) {
if (UOE->getOpcode() == UO_LNot) {
auto *E = buildLExpr(Arena, UOE->getSubExpr());
return new Not(E);
}
} else if (const auto *CE = dyn_cast<CastExpr>(CurExpr)) {
return buildLExpr(Arena, CE->getSubExpr());
} else if (const auto *PE = dyn_cast<ParenExpr>(CurExpr)) {
return buildLExpr(Arena, PE->getSubExpr());
}
return nullptr;
}
/// \brief A short list of SExprs
class MutexIDList : public SmallVector<SExpr, 3> {
public: