diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/RangedConstraintManager.cpp')
| -rw-r--r-- | lib/StaticAnalyzer/Core/RangedConstraintManager.cpp | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/lib/StaticAnalyzer/Core/RangedConstraintManager.cpp b/lib/StaticAnalyzer/Core/RangedConstraintManager.cpp index 55ff15806efe6..f99853f070731 100644 --- a/lib/StaticAnalyzer/Core/RangedConstraintManager.cpp +++ b/lib/StaticAnalyzer/Core/RangedConstraintManager.cpp @@ -12,8 +12,8 @@ // //===----------------------------------------------------------------------===// -#include "RangedConstraintManager.h" #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h" +#include "clang/StaticAnalyzer/Core/PathSensitive/RangedConstraintManager.h" namespace clang { @@ -52,17 +52,18 @@ ProgramStateRef RangedConstraintManager::assumeSym(ProgramStateRef State, assert(BinaryOperator::isComparisonOp(Op)); // For now, we only support comparing pointers. - assert(Loc::isLocType(SSE->getLHS()->getType())); - assert(Loc::isLocType(SSE->getRHS()->getType())); - QualType DiffTy = SymMgr.getContext().getPointerDiffType(); - SymbolRef Subtraction = - SymMgr.getSymSymExpr(SSE->getRHS(), BO_Sub, SSE->getLHS(), DiffTy); - - const llvm::APSInt &Zero = getBasicVals().getValue(0, DiffTy); - Op = BinaryOperator::reverseComparisonOp(Op); - if (!Assumption) - Op = BinaryOperator::negateComparisonOp(Op); - return assumeSymRel(State, Subtraction, Op, Zero); + if (Loc::isLocType(SSE->getLHS()->getType()) && + Loc::isLocType(SSE->getRHS()->getType())) { + QualType DiffTy = SymMgr.getContext().getPointerDiffType(); + SymbolRef Subtraction = + SymMgr.getSymSymExpr(SSE->getRHS(), BO_Sub, SSE->getLHS(), DiffTy); + + const llvm::APSInt &Zero = getBasicVals().getValue(0, DiffTy); + Op = BinaryOperator::reverseComparisonOp(Op); + if (!Assumption) + Op = BinaryOperator::negateComparisonOp(Op); + return assumeSymRel(State, Subtraction, Op, Zero); + } } // If we get here, there's nothing else we can do but treat the symbol as |