diff options
Diffstat (limited to 'clang/lib/CodeGen/CGExpr.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 62ecc7394ad..c99e669f6ff 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -407,7 +407,7 @@ CodeGenFunction::EmitReferenceBindingToExpr(const Expr *E) { assert(LV.isSimple()); llvm::Value *Value = LV.getAddress(); - if (SanitizePerformTypeCheck && !E->getType()->isFunctionType()) { + if (sanitizePerformTypeCheck() && !E->getType()->isFunctionType()) { // C++11 [dcl.ref]p5 (as amended by core issue 453): // If a glvalue to which a reference is directly bound designates neither // an existing object or function of an appropriate type nor a region of @@ -441,10 +441,15 @@ static llvm::Value *emitHash16Bytes(CGBuilderTy &Builder, llvm::Value *Low, return Builder.CreateMul(B1, KMul); } +bool CodeGenFunction::sanitizePerformTypeCheck() const { + return SanOpts->Null | SanOpts->Alignment | SanOpts->ObjectSize | + SanOpts->Vptr; +} + void CodeGenFunction::EmitTypeCheck(TypeCheckKind TCK, SourceLocation Loc, llvm::Value *Address, QualType Ty, CharUnits Alignment) { - if (!SanitizePerformTypeCheck) + if (!sanitizePerformTypeCheck()) return; // Don't check pointers outside the default address space. The null check @@ -2877,7 +2882,7 @@ LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) { // C++11 [expr.static.cast]p2: Behavior is undefined if a downcast is // performed and the object is not of the derived type. - if (SanitizePerformTypeCheck) + if (sanitizePerformTypeCheck()) EmitTypeCheck(TCK_DowncastReference, E->getExprLoc(), Derived, E->getType()); |
