[Autobackout][FuncReg]Revert of change: 673d166

Simplifying code related to sample and texel fetch instructions

Author: krystian-andrzejewski

IGC/AdaptorCommon/IRUpgrader/IRUpgrader.hpp

@@ -0,0 +1,43 @@
+/*========================== begin_copyright_notice ============================
+
+Copyright (c) 2000-2021 Intel Corporation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+
+============================= end_copyright_notice ===========================*/
+
+/// Declaration of upgrader passes. When the IR changes, we add passes to keep compatibility with
+/// clients which haven't moved yet to the new representation.
+
+#pragma once
+
+namespace llvm
+{
+    class Pass;
+}
+namespace IGC
+{
+    /// Transform legacy resource access intrinsics taking an integer representation to
+    /// the new intrinsics taking pointer representation
+    llvm::Pass* CreateUpgradeResourceIntrinsic();
+    ///Transfor legacy gen intrisics with prefix "@genx." => "@llvm.genx."
+    llvm::Pass* CreateUpgradeGenIntrinsicPrefix();
+    /// Delete legacy resource access intrinsics
+    llvm::Pass* CreateDeleteLegacyIntrinsicDeclarations();
+}