Add support for volatile RValues.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGValue.h b/lib/CodeGen/CGValue.h
index aed9fc1..e4175bb 100644
--- a/lib/CodeGen/CGValue.h
+++ b/lib/CodeGen/CGValue.h
@@ -38,14 +38,15 @@
// return-by-value.
enum { Scalar, Complex, Aggregate } Flavor;
- // FIXME: Aggregate rvalues need to retain information about whether they are
- // volatile or not.
+ bool Volatile:1;
public:
bool isScalar() const { return Flavor == Scalar; }
bool isComplex() const { return Flavor == Complex; }
bool isAggregate() const { return Flavor == Aggregate; }
+ bool isVolatileQualified() const { return Volatile; }
+
/// getScalar() - Return the Value* of this scalar value.
llvm::Value *getScalarVal() const {
assert(isScalar() && "Not a scalar!");
@@ -84,10 +85,14 @@
ER.Flavor = Complex;
return ER;
}
- static RValue getAggregate(llvm::Value *V) {
+ // FIXME: Aggregate rvalues need to retain information about whether they are
+ // volatile or not. Remove default to find all places that probably get this
+ // wrong.
+ static RValue getAggregate(llvm::Value *V, bool Vol = false) {
RValue ER;
ER.V1 = V;
ER.Flavor = Aggregate;
+ ER.Volatile = Vol;
return ER;
}
};