subclass of TargetMachine which "forwards" all operations to an
existing internal TargetMachine member variable. In the usage context the
specific-machine class derived from TargetMachine is not visible,
only a reference to the generic base class TargetMachine. Although
getSubtargetImpl() is public in specific-machine classes derived from
TargetMachine, the TargetMachine class unfortunately has
getSubtargetImpl() protected (and accessing non-const members makes
abusing getSubtarget() unsuitable). Making it public in the base class
allows this forwarding pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171976
91177308-0d34-0410-b5e6-
96231b3b80d8
TargetMachine(const Target &T, StringRef TargetTriple,
StringRef CPU, StringRef FS, const TargetOptions &Options);
- /// getSubtargetImpl - virtual method implemented by subclasses that returns
- /// a reference to that target's TargetSubtargetInfo-derived member variable.
- virtual const TargetSubtargetInfo *getSubtargetImpl() const { return 0; }
-
/// TheTarget - The Target that this machine was created for.
const Target &TheTarget;
const StringRef getTargetCPU() const { return TargetCPU; }
const StringRef getTargetFeatureString() const { return TargetFS; }
+ /// getSubtargetImpl - virtual method implemented by subclasses that returns
+ /// a reference to that target's TargetSubtargetInfo-derived member variable.
+ virtual const TargetSubtargetInfo *getSubtargetImpl() const { return 0; }
+
TargetOptions Options;
// Interfaces to the major aspects of target machine information: