Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91158 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h
index 45ef9b9304..3106213e5d 100644
--- a/include/llvm/CodeGen/ValueTypes.h
+++ b/include/llvm/CodeGen/ValueTypes.h
@@ -166,6 +166,12 @@ namespace llvm {
         return *this;
       }
     }
+
+    /// getScalarType - If this is a vector type, return the element type,
+    /// otherwise return this.
+    MVT getScalarType() const {
+      return isVector() ? getVectorElementType() : *this;
+    }
     
     MVT getVectorElementType() const {
       switch (SimpleTy) {
@@ -524,6 +530,12 @@ namespace llvm {
       return V;
     }
 
+    /// getScalarType - If this is a vector type, return the element type,
+    /// otherwise return this.
+    EVT getScalarType() const {
+      return isVector() ? getVectorElementType() : *this;
+    }
+    
     /// getVectorElementType - Given a vector type, return the type of
     /// each element.
     EVT getVectorElementType() const {