Retire !linalg.buffer type - NFC

This type is not used anymore now that Linalg view and subview have graduated to std and that alignment is supported on alloc.

PiperOrigin-RevId: 285213424

1 files changed, 1 insertions, 22 deletions

diff --git a/mlir/include/mlir/Dialect/Linalg/IR/LinalgTypes.h b/mlir/include/mlir/Dialect/Linalg/IR/LinalgTypes.h
index 81c309704b8..181a79ce38d 100644
--- a/mlir/include/mlir/Dialect/Linalg/IR/LinalgTypes.h
+++ b/mlir/include/mlir/Dialect/Linalg/IR/LinalgTypes.h
@@ -26,8 +26,7 @@ class MLIRContext;
 
 namespace linalg {
 enum LinalgTypes {
-  Buffer = Type::FIRST_LINALG_TYPE,
-  Range,
+  Range = Type::FIRST_LINALG_TYPE,
   LAST_USED_LINALG_TYPE = Range,
 };
 
@@ -43,26 +42,6 @@ public:
   void printType(Type type, DialectAsmPrinter &os) const override;
 };
 
-/// A BufferType represents a contiguous block of memory that can be allocated
-/// and deallocated. A buffer cannot be indexed directly, a view must be
-/// laid out on a buffer to give it indexing semantics.
-struct BufferTypeStorage;
-class BufferType : public Type::TypeBase<BufferType, Type, BufferTypeStorage> {
-public:
-  // Used for generic hooks in TypeBase.
-  using Base::Base;
-  /// Construction hook.
-  static BufferType get(MLIRContext *context, Type elementType,
-                        int64_t bufferSize = -1);
-  /// Used to implement llvm-style cast.
-  static bool kindof(unsigned kind) { return kind == LinalgTypes::Buffer; }
-
-  // Type-specific functionality.
-  Type getElementType();
-  bool hasConstantSize();
-  Optional<int64_t> getBufferSize();
-};
-
 /// A RangeType represents a minimal range abstraction (min, max, step).
 /// It is constructed by calling the linalg.range op with three values index of
 /// index type: