Merge the const and non-const Type::getScalarType to a const version that returns a non-const pointer. Since we don't put const on Types all places were already calling the non-const version.

llvm-svn: 243843

1 files changed, 3 insertions, 9 deletions

diff --git a/llvm/lib/IR/Type.cpp b/llvm/lib/IR/Type.cpp
index ad0013aed39..17d24465601 100644
--- a/llvm/lib/IR/Type.cpp
+++ b/llvm/lib/IR/Type.cpp
@@ -42,16 +42,10 @@ Type *Type::getPrimitiveType(LLVMContext &C, TypeID IDNumber) {
 
 /// getScalarType - If this is a vector type, return the element type,
 /// otherwise return this.
-Type *Type::getScalarType() {
-  if (VectorType *VTy = dyn_cast<VectorType>(this))
-    return VTy->getElementType();
-  return this;
-}
-
-const Type *Type::getScalarType() const {
-  if (const VectorType *VTy = dyn_cast<VectorType>(this))
+Type *Type::getScalarType() const {
+  if (auto *VTy = dyn_cast<VectorType>(this))
     return VTy->getElementType();
-  return this;
+  return const_cast<Type*>(this);
 }
 
 /// isIntegerTy - Return true if this is an IntegerType of the specified width.