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-rw-r--r--lib/CodeGen/CGExprScalar.cpp1
-rw-r--r--lib/Sema/SemaCXXCast.cpp22
2 files changed, 15 insertions, 8 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 0ad139af4c..f19aa273d9 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -798,6 +798,7 @@ Value *ScalarExprEmitter::EmitCastExpr(CastExpr *CE) {
//assert(0 && "Unknown cast kind!");
break;
+ case CastExpr::CK_AnyPointerToObjCPointerCast:
case CastExpr::CK_BitCast: {
Value *Src = Visit(const_cast<Expr*>(E));
return Builder.CreateBitCast(Src, ConvertType(DestTy));
diff --git a/lib/Sema/SemaCXXCast.cpp b/lib/Sema/SemaCXXCast.cpp
index c11b5fdd75..f9138902a6 100644
--- a/lib/Sema/SemaCXXCast.cpp
+++ b/lib/Sema/SemaCXXCast.cpp
@@ -539,6 +539,11 @@ static TryCastResult TryStaticCast(Sema &Self, Expr *&SrcExpr,
return TC_Success;
}
}
+ else if (CStyle && DestType->isObjCObjectPointerType()) {
+ // allow c-style cast of objective-c pointers as they are pervasive.
+ Kind = CastExpr::CK_AnyPointerToObjCPointerCast;
+ return TC_Success;
+ }
}
}
@@ -1053,8 +1058,10 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
return TC_Failed;
}
- bool destIsPtr = DestType->isPointerType();
- bool srcIsPtr = SrcType->isPointerType();
+ bool destIsPtr =
+ CStyle? DestType->isAnyPointerType() : DestType->isPointerType();
+ bool srcIsPtr =
+ CStyle ? SrcType->isAnyPointerType() : SrcType->isPointerType();
if (!destIsPtr && !srcIsPtr) {
// Except for std::nullptr_t->integer and lvalue->reference, which are
// handled above, at least one of the two arguments must be a pointer.
@@ -1106,7 +1113,11 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
msg = diag::err_bad_cxx_cast_const_away;
return TC_Failed;
}
-
+ if (CStyle && DestType->isObjCObjectPointerType()) {
+ Kind = CastExpr::CK_AnyPointerToObjCPointerCast;
+ return TC_Success;
+ }
+
// Not casting away constness, so the only remaining check is for compatible
// pointer categories.
Kind = CastExpr::CK_BitCast;
@@ -1141,7 +1152,6 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
// Void pointers are not specified, but supported by every compiler out there.
// So we finish by allowing everything that remains - it's got to be two
// object pointers.
- Kind = CastExpr::CK_BitCast;
return TC_Success;
}
@@ -1160,10 +1170,6 @@ bool Sema::CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr,
if (CastTy->isDependentType() || CastExpr->isTypeDependent())
return false;
- // allow c-style cast of objective-c pointers as they are pervasive.
- if (CastTy->isObjCObjectPointerType())
- return false;
-
if (!CastTy->isLValueReferenceType() && !CastTy->isRecordType())
DefaultFunctionArrayConversion(CastExpr);