Add helpers for getting scalar sizes of vector value types.

llvm-svn: 203526

llvm/include/llvm/CodeGen/SelectionDAGNodes.h

@@ -145,6 +145,10 @@ public:
     return getValueType().getSizeInBits();
   }
 
+  unsigned getScalarValueSizeInBits() const {
+    return getValueType().getScalarType().getSizeInBits();
+  }
+
   // Forwarding methods - These forward to the corresponding methods in SDNode.
   inline unsigned getOpcode() const;
   inline unsigned getNumOperands() const;

llvm/include/llvm/CodeGen/ValueTypes.h

@@ -434,6 +434,10 @@ namespace llvm {
       }
     }
 
+    unsigned getScalarSizeInBits() const {
+      return getScalarType().getSizeInBits();
+    }
+
     /// getStoreSize - Return the number of bytes overwritten by a store
     /// of the specified value type.
     unsigned getStoreSize() const {
@@ -788,6 +792,10 @@ namespace llvm {
       return getExtendedSizeInBits();
     }
 
+    unsigned getScalarSizeInBits() const {
+      return getScalarType().getSizeInBits();
+    }
+
     /// getStoreSize - Return the number of bytes overwritten by a store
     /// of the specified value type.
     unsigned getStoreSize() const {