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Add support for volatile RValues. 

llvm-svn: 72341
This commit is contained in:
Mike Stump 2009-05-23 20:21:36 +00:00
parent cfe9db7380
commit 93700fc988
1 changed files with 8 additions and 3 deletions
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11
clang/lib/CodeGen/CGValue.h
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@ -38,14 +38,15 @@ class RValue {
// 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 @@ public:
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;
}
};