#include "llvm/ADT/GraphTraits.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Target/TargetLowering.h"
namespace llvm {
- class AliasAnalysis;
class SUnit;
class MachineConstantPool;
class MachineFunction;
return getKind() == Order && Contents.OrdKind == Barrier;
}
+ /// isNormalMemoryOrBarrier - Test if this is could be any kind of memory
+ /// dependence.
+ bool isNormalMemoryOrBarrier() const {
+ return (isNormalMemory() || isBarrier());
+ }
+
/// isMustAlias - Test if this is an Order dependence that is marked
/// as "must alias", meaning that the SUnits at either end of the edge
/// have a memory dependence on a known memory location.
/// correspond to schedulable entities (e.g. instructions) and do not have a
/// valid ID. Consequently, always check for boundary nodes before accessing
/// an assoicative data structure keyed on node ID.
- bool isBoundaryNode() const { return NodeNum == BoundaryID; };
+ bool isBoundaryNode() const { return NodeNum == BoundaryID; }
/// setNode - Assign the representative SDNode for this SUnit.
/// This may be used during pre-regalloc scheduling.
}
bool operator!=(const SUnitIterator& x) const { return !operator==(x); }
- const SUnitIterator &operator=(const SUnitIterator &I) {
- assert(I.Node==Node && "Cannot assign iterators to two different nodes!");
- Operand = I.Operand;
- return *this;
- }
-
pointer operator*() const {
return Node->Preds[Operand].getSUnit();
}