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-rw-r--r--include/llvm/Target/TargetSubtargetInfo.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/llvm/Target/TargetSubtargetInfo.h b/include/llvm/Target/TargetSubtargetInfo.h
index 80ff9e3..83ab4ec 100644
--- a/include/llvm/Target/TargetSubtargetInfo.h
+++ b/include/llvm/Target/TargetSubtargetInfo.h
@@ -42,8 +42,8 @@ template <typename T> class SmallVectorImpl;
/// be exposed through a TargetSubtargetInfo-derived class.
///
class TargetSubtargetInfo : public MCSubtargetInfo {
- TargetSubtargetInfo(const TargetSubtargetInfo&) LLVM_DELETED_FUNCTION;
- void operator=(const TargetSubtargetInfo&) LLVM_DELETED_FUNCTION;
+ TargetSubtargetInfo(const TargetSubtargetInfo&) = delete;
+ void operator=(const TargetSubtargetInfo&) = delete;
protected: // Can only create subclasses...
TargetSubtargetInfo();
public:
@@ -71,7 +71,6 @@ public:
virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const {
return nullptr;
}
- virtual const DataLayout *getDataLayout() const { return nullptr; }
/// getRegisterInfo - If register information is available, return it. If
/// not, return null. This is kept separate from RegInfo until RegInfo has
@@ -168,6 +167,11 @@ public:
virtual std::unique_ptr<PBQPRAConstraint> getCustomPBQPConstraints() const {
return nullptr;
}
+
+ /// Enable tracking of subregister liveness in register allocator.
+ virtual bool enableSubRegLiveness() const {
+ return false;
+ }
};
} // End llvm namespace