Remove TypeBuilder.h, and fix the few locations using it.

This shortcut mechanism for creating types was added 10 years ago, but
has seen almost no uptake since then, neither internally nor in
external projects.

The very small number of characters saved by using it does not seem
worth the mental overhead of an additional type-creation API, so,
delete it.

Differential Revision: https://reviews.llvm.org/D56573

llvm-svn: 351020

Author: jyknight

llvm/docs/ExtendingLLVM.rst

@@ -253,10 +253,6 @@ Adding a fundamental type
    add enum ``LLVMTypeKind`` and modify
    ``LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty)`` for the new type
 
-#. ``llvm/include/llvm/IR/TypeBuilder.h``:
-
-   add new class to represent new type in the hierarchy
-
 #. ``llvm/lib/AsmParser/LLLexer.cpp``:
 
    add ability to parse in the type from text assembly
@@ -299,10 +295,6 @@ Adding a derived type
    add enum ``LLVMTypeKind`` and modify
    `LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty)` for the new type
 
-#. ``llvm/include/llvm/IR/TypeBuilder.h``:
-
-   add new class to represent new class in the hierarchy
-
 #. ``llvm/lib/AsmParser/LLLexer.cpp``:
 
    modify ``lltok::Kind LLLexer::LexIdentifier()`` to add ability to

llvm/docs/ProgrammersManual.rst

@@ -2905,37 +2905,6 @@ For example:
   GV->eraseFromParent();
 
 
-.. _create_types:
-
-How to Create Types
--------------------
-
-In generating IR, you may need some complex types.  If you know these types
-statically, you can use ``TypeBuilder<...>::get()``, defined in
-``llvm/Support/TypeBuilder.h``, to retrieve them.  ``TypeBuilder`` has two forms
-depending on whether you're building types for cross-compilation or native
-library use.  ``TypeBuilder<T, true>`` requires that ``T`` be independent of the
-host environment, meaning that it's built out of types from the ``llvm::types``
-(`doxygen <http://llvm.org/doxygen/namespacellvm_1_1types.html>`__) namespace
-and pointers, functions, arrays, etc. built of those.  ``TypeBuilder<T, false>``
-additionally allows native C types whose size may depend on the host compiler.
-For example,
-
-.. code-block:: c++
-
-  FunctionType *ft = TypeBuilder<types::i<8>(types::i<32>*), true>::get();
-
-is easier to read and write than the equivalent
-
-.. code-block:: c++
-
-  std::vector<const Type*> params;
-  params.push_back(PointerType::getUnqual(Type::Int32Ty));
-  FunctionType *ft = FunctionType::get(Type::Int8Ty, params, false);
-
-See the `class comment
-<http://llvm.org/doxygen/TypeBuilder_8h_source.html#l00001>`_ for more details.
-
 .. _threading:
 
 Threads and LLVM