[PATCH] D51484: [OpenCL] Add support of cl_intel_device_side_avc_motion_estimation extension

[Alexey Sachkov via Phabricator via cfe-commits]

AlexeySachkov updated this revision to Diff 169368.
AlexeySachkov marked an inline comment as done.
AlexeySachkov added a comment.

Updated tests. Reverted usage of `#pragma OPENCL EXTENSION my_ext : begin` due 
to a failed LIT tests: `test/Headers/opencl-c-header.cl`

Test failed on the following RUN-line:

  // Compile for OpenCL 2.0 for the first time. The module should change.       
                                                      
  // RUN: %clang_cc1 -triple spir-unknown-unknown -O0 -emit-llvm -o - 
-cl-std=CL2.0 -finclude-default-header -fmodules -fimplicit-modu le-maps 
-fmodules-cache-path=%t -fdisable-module-hash -ftime-report %s 2>&1 | FileCheck 
--check-prefix=CHECK20 --check-prefix=CHECK- MOD %s                             
                                                                                
                 

Clang crashes at the assertion in `ASTReader::getGlobalSubmoduleID()`:

  assert(I != M.SubmoduleRemap.end() && "Invalid index into submodule index 
remap");


https://reviews.llvm.org/D51484

Files:
  include/clang-c/Index.h
  include/clang/AST/ASTContext.h
  include/clang/AST/OperationKinds.def
  include/clang/AST/Type.h
  include/clang/Basic/OpenCLExtensionTypes.def
  include/clang/Basic/OpenCLExtensions.def
  include/clang/Sema/Initialization.h
  include/clang/Serialization/ASTBitCodes.h
  include/clang/module.modulemap
  lib/AST/ASTContext.cpp
  lib/AST/ASTImporter.cpp
  lib/AST/Expr.cpp
  lib/AST/ExprConstant.cpp
  lib/AST/ItaniumMangle.cpp
  lib/AST/MicrosoftMangle.cpp
  lib/AST/NSAPI.cpp
  lib/AST/Type.cpp
  lib/AST/TypeLoc.cpp
  lib/Analysis/PrintfFormatString.cpp
  lib/CodeGen/CGDebugInfo.cpp
  lib/CodeGen/CGDebugInfo.h
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CGExprAgg.cpp
  lib/CodeGen/CGExprComplex.cpp
  lib/CodeGen/CGExprConstant.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/CodeGen/CGOpenCLRuntime.cpp
  lib/CodeGen/CodeGenTypes.cpp
  lib/CodeGen/ItaniumCXXABI.cpp
  lib/Edit/RewriteObjCFoundationAPI.cpp
  lib/Headers/opencl-c.h
  lib/Index/USRGeneration.cpp
  lib/Sema/Sema.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaInit.cpp
  lib/Serialization/ASTCommon.cpp
  lib/Serialization/ASTReader.cpp
  lib/StaticAnalyzer/Core/ExprEngineC.cpp
  test/CodeGenOpenCL/intel-subgroups-avc-ext-types.cl
  test/Headers/opencl-c-header.cl
  test/Index/opencl-types.cl
  test/SemaOpenCL/extension-version.cl
  test/SemaOpenCL/intel-subgroup-avc-ext-types.cl
  tools/libclang/CIndex.cpp
  tools/libclang/CXType.cpp


Index: tools/libclang/CXType.cpp
===================================================================
--- tools/libclang/CXType.cpp
+++ tools/libclang/CXType.cpp
@@ -70,6 +70,8 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) BTCASE(Id);
 #include "clang/Basic/OpenCLImageTypes.def"
 #undef IMAGE_TYPE
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) BTCASE(Id);
+#include "clang/Basic/OpenCLExtensionTypes.def"
     BTCASE(OCLSampler);
     BTCASE(OCLEvent);
     BTCASE(OCLQueue);
@@ -605,6 +607,8 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) TKIND(Id);
 #include "clang/Basic/OpenCLImageTypes.def"
 #undef IMAGE_TYPE
+#define EXT_OPAQUE_TYPE(ExtTYpe, Id, Ext) TKIND(Id);
+#include "clang/Basic/OpenCLExtensionTypes.def"
     TKIND(OCLSampler);
     TKIND(OCLEvent);
     TKIND(OCLQueue);
Index: tools/libclang/CIndex.cpp
===================================================================
--- tools/libclang/CIndex.cpp
+++ tools/libclang/CIndex.cpp
@@ -1519,6 +1519,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtTYpe, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
   case BuiltinType::OCLSampler:
   case BuiltinType::OCLEvent:
   case BuiltinType::OCLClkEvent:
Index: test/SemaOpenCL/intel-subgroup-avc-ext-types.cl
===================================================================
--- /dev/null
+++ test/SemaOpenCL/intel-subgroup-avc-ext-types.cl
@@ -0,0 +1,111 @@
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=CL1.2 -cl-ext=+cl_intel_device_side_avc_motion_estimation -fsyntax-only -verify %s
+
+#pragma OPENCL EXTENSION cl_intel_device_side_avc_motion_estimation : enable
+
+// Having the initializers defined in the test allows us not to include default
+// opencl header, and thus reducing test execution time.
+// The initializers' values must match with ones defined in the default opencl
+// header (clang/lib/Headers/opencl-c.h)
+
+#define CLK_AVC_ME_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_PAYLOAD_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_RESULT_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+
+struct st{};
+// negative test cases for initializers
+void foo(char c, float f, void* v, struct st ss) {
+  intel_sub_group_avc_mce_payload_t payload_mce = 0; // No zero initializer for mce types
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_mce_payload_t' with an expression of incompatible type 'int'}}
+  intel_sub_group_avc_ime_payload_t payload_ime = 1; // No literal initializer for *payload_t types
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ime_payload_t' with an expression of incompatible type 'int'}}
+  intel_sub_group_avc_ref_payload_t payload_ref = f;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ref_payload_t' with an expression of incompatible type 'float'}}
+  intel_sub_group_avc_sic_payload_t payload_sic = ss;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_sic_payload_t' with an expression of incompatible type 'struct st'}}
+
+  intel_sub_group_avc_mce_result_t result_mce = 0; // No zero initializer for mce types
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_mce_result_t' with an expression of incompatible type 'int'}}
+  intel_sub_group_avc_ime_result_t result_ime = 1; // No literal initializer for *result_t types
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ime_result_t' with an expression of incompatible type 'int'}}
+  intel_sub_group_avc_ref_result_t result_ref = f;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ref_result_t' with an expression of incompatible type 'float'}}
+  intel_sub_group_avc_sic_result_t result_sic = ss;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_sic_result_t' with an expression of incompatible type 'struct st'}}
+
+  intel_sub_group_avc_ime_result_single_reference_streamout_t sstreamout = v;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ime_result_single_reference_streamout_t' with an expression of incompatible type 'void *'}}
+
+  intel_sub_group_avc_ime_result_dual_reference_streamout_t dstreamin_list = {0x0, 0x1};
+  // expected-warning@-1 {{excess elements in struct initializer}}
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin_list2 = {};
+  // expected-error@-1 {{scalar initializer cannot be empty}}
+  intel_sub_group_avc_ime_single_reference_streamin_t dstreamin_list3 = {c};
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ime_single_reference_streamin_t' with an expression of incompatible type 'char'}}
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin_list4 = {1};
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ime_dual_reference_streamin_t' with an expression of incompatible type 'int'}}
+}
+
+// negative tests for initializers and assignment
+void far() {
+  intel_sub_group_avc_mce_payload_t payload_mce;
+  intel_sub_group_avc_mce_payload_t payload_mce2 = payload_mce;
+
+  intel_sub_group_avc_ime_payload_t payload_ime;
+  intel_sub_group_avc_ref_payload_t payload_ref = payload_ime;
+  // expected-error@-1 {{initializing 'intel_sub_group_avc_ref_payload_t' with an expression of incompatible type 'intel_sub_group_avc_ime_payload_t'}}
+
+  intel_sub_group_avc_sic_result_t result_sic;
+  intel_sub_group_avc_ime_result_t result_ime;
+  result_sic = result_ime;
+  // expected-error@-1 {{assigning to 'intel_sub_group_avc_sic_result_t' from incompatible type 'intel_sub_group_avc_ime_result_t'}}
+}
+
+// positive test cases
+void bar() {
+  const sampler_t vme_sampler = CLK_AVC_ME_INITIALIZE_INTEL;
+
+  intel_sub_group_avc_mce_payload_t payload_mce; // No literal initializer for mce types
+  intel_sub_group_avc_ime_payload_t payload_ime = CLK_AVC_IME_PAYLOAD_INITIALIZE_INTEL;
+  intel_sub_group_avc_ref_payload_t payload_ref = CLK_AVC_REF_PAYLOAD_INITIALIZE_INTEL;
+  intel_sub_group_avc_sic_payload_t payload_sic = CLK_AVC_SIC_PAYLOAD_INITIALIZE_INTEL;
+
+  intel_sub_group_avc_mce_result_t result_mce; // No literal initializer for mce types
+  intel_sub_group_avc_ime_result_t result_ime = CLK_AVC_IME_RESULT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ref_result_t result_ref = CLK_AVC_REF_RESULT_INITIALIZE_INTEL;
+  intel_sub_group_avc_sic_result_t result_sic = CLK_AVC_SIC_RESULT_INITIALIZE_INTEL;
+
+  intel_sub_group_avc_ime_result_single_reference_streamout_t sstreamout = CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMOUT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_result_dual_reference_streamout_t dstreamout = CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMOUT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_single_reference_streamin_t sstreamin = CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMIN_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin = CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMIN_INITIALIZE_INTEL;
+
+  // It is allowed to assign variables of the same types
+  intel_sub_group_avc_mce_payload_t pauload_mce2 = payload_mce;
+
+  // Initialization with initializer list was supported in the first version
+  // of the extension. So we check for backward compatibility here.
+  intel_sub_group_avc_ime_payload_t payload_ime_list = {0};
+  intel_sub_group_avc_ref_payload_t payload_ref_list = {0};
+  intel_sub_group_avc_sic_payload_t payload_sic_list = {0};
+
+  intel_sub_group_avc_ime_result_t result_ime_list = {0};
+  intel_sub_group_avc_ref_result_t result_ref_list = {0};
+  intel_sub_group_avc_sic_result_t result_sic_list = {0};
+
+  intel_sub_group_avc_ime_result_single_reference_streamout_t sstreamout_list = {0};
+  intel_sub_group_avc_ime_result_dual_reference_streamout_t dstreamout_list = {0};
+  intel_sub_group_avc_ime_single_reference_streamin_t sstreamin_list = {0};
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin_list = {0};
+}
+
Index: test/SemaOpenCL/extension-version.cl
===================================================================
--- test/SemaOpenCL/extension-version.cl
+++ test/SemaOpenCL/extension-version.cl
@@ -312,3 +312,12 @@
 #endif
 #pragma OPENCL EXTENSION cl_intel_subgroups_short : enable
 
+#if (__OPENCL_C_VERSION__ >= 120)
+#ifndef cl_intel_device_side_avc_motion_estimation
+#error "Missing cl_intel_device_side_avc_motion_estimation define"
+#endif
+#else
+// expected-warning@+2{{unsupported OpenCL extension 'cl_intel_device_side_avc_motion_estimation' - ignoring}}
+#endif
+#pragma OPENCL EXTENSION cl_intel_device_side_avc_motion_estimation : enable
+
Index: test/Index/opencl-types.cl
===================================================================
--- test/Index/opencl-types.cl
+++ test/Index/opencl-types.cl
@@ -124,3 +124,11 @@
 // CHECK: VarDecl=scalarOCLEvent:118:15 (Definition) [type=clk_event_t] [typekind=Typedef] [canonicaltype=clk_event_t] [canonicaltypekind=Unexposed] [isPOD=1]
 // CHECK: VarDecl=scalarOCLQueue:119:11 (Definition) [type=queue_t] [typekind=Typedef] [canonicaltype=queue_t] [canonicaltypekind=OCLQueue] [isPOD=1]
 // CHECK: VarDecl=scalarOCLReserveID:120:16 (Definition) [type=reserve_id_t] [typekind=Typedef] [canonicaltype=reserve_id_t] [canonicaltypekind=OCLReserveID] [isPOD=1]
+
+#pragma OPENCL EXTENSION cl_intel_device_side_avc_motion_estimation : enable
+
+void kernel testExtOpenCLTypes() {
+  intel_sub_group_avc_mce_payload_t mce_payload;
+}
+
+// CHECK: VarDecl=mce_payload:131:37 (Definition) [type=intel_sub_group_avc_mce_payload_t] [typekind=Typedef] [canonicaltype=intel_sub_group_avc_mce_payload_t] [canonicaltypekind=OCLIntelSubgroupAVCMcePayload] [isPOD=1]
Index: test/Headers/opencl-c-header.cl
===================================================================
--- test/Headers/opencl-c-header.cl
+++ test/Headers/opencl-c-header.cl
@@ -45,6 +45,7 @@
 
 // Verify that called builtins occur in the generated IR.
 
+// CHECK-NOT: intel_sub_group_avc_mce_get_default_inter_base_multi_reference_penalty
 // CHECK-NOT: ndrange_t
 // CHECK20: ndrange_t
 // CHECK: _Z16convert_char_rtec
Index: test/CodeGenOpenCL/intel-subgroups-avc-ext-types.cl
===================================================================
--- /dev/null
+++ test/CodeGenOpenCL/intel-subgroups-avc-ext-types.cl
@@ -0,0 +1,97 @@
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=CL1.2 -cl-ext=+cl_intel_device_side_avc_motion_estimation -emit-llvm -o - -O0 | FileCheck %s
+
+// CHECK: %opencl.intel_sub_group_avc_mce_payload_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ime_payload_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ref_payload_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_sic_payload_t = type opaque
+
+// CHECK: %opencl.intel_sub_group_avc_mce_result_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ime_result_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ref_result_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_sic_result_t = type opaque
+
+// CHECK: %opencl.intel_sub_group_avc_ime_result_single_reference_streamout_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ime_result_dual_reference_streamout_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ime_single_reference_streamin_t = type opaque
+// CHECK: %opencl.intel_sub_group_avc_ime_dual_reference_streamin_t = type opaque
+
+// CHECK: store %opencl.intel_sub_group_avc_ime_payload_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ref_payload_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_sic_payload_t* null,
+
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ref_result_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_sic_result_t* null,
+
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_single_reference_streamout_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_dual_reference_streamout_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_single_reference_streamin_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_dual_reference_streamin_t* null,
+//
+// CHECK: store %opencl.intel_sub_group_avc_ime_payload_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ref_payload_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_sic_payload_t* null,
+
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ref_result_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_sic_result_t* null,
+
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_single_reference_streamout_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_result_dual_reference_streamout_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_single_reference_streamin_t* null,
+// CHECK: store %opencl.intel_sub_group_avc_ime_dual_reference_streamin_t* null,
+
+#pragma OPENCL EXTENSION cl_intel_device_side_avc_motion_estimation : enable
+
+// Having the initializers defined in the test allows us not to include default
+// opencl header, and thus reducing test execution time.
+// The initializers' values must match with ones defined in the default opencl
+// header (clang/lib/Headers/opencl-c.h)
+
+#define CLK_AVC_ME_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_PAYLOAD_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_RESULT_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+
+void foo() {
+  intel_sub_group_avc_mce_payload_t payload_mce; // No literal initializer for mce types
+  intel_sub_group_avc_ime_payload_t payload_ime = CLK_AVC_IME_PAYLOAD_INITIALIZE_INTEL;
+  intel_sub_group_avc_ref_payload_t payload_ref = CLK_AVC_REF_PAYLOAD_INITIALIZE_INTEL;
+  intel_sub_group_avc_sic_payload_t payload_sic = CLK_AVC_SIC_PAYLOAD_INITIALIZE_INTEL;
+
+  intel_sub_group_avc_mce_result_t result_mce; // No literal initializer for mce types
+  intel_sub_group_avc_ime_result_t result_ime = CLK_AVC_IME_RESULT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ref_result_t result_ref = CLK_AVC_REF_RESULT_INITIALIZE_INTEL;
+  intel_sub_group_avc_sic_result_t result_sic = CLK_AVC_SIC_RESULT_INITIALIZE_INTEL;
+
+  intel_sub_group_avc_ime_result_single_reference_streamout_t sstreamout = CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMOUT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_result_dual_reference_streamout_t dstreamout = CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMOUT_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_single_reference_streamin_t sstreamin = CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMIN_INITIALIZE_INTEL;
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin = CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMIN_INITIALIZE_INTEL;
+
+  // Initialization with initializer list was supported in the first version
+  // of the extension. So we check for backward compatibility here.
+  intel_sub_group_avc_ime_payload_t payload_ime_list = {0};
+  intel_sub_group_avc_ref_payload_t payload_ref_list = {0};
+  intel_sub_group_avc_sic_payload_t payload_sic_list = {0};
+
+  intel_sub_group_avc_ime_result_t result_ime_list = {0};
+  intel_sub_group_avc_ref_result_t result_ref_list = {0};
+  intel_sub_group_avc_sic_result_t result_sic_list = {0};
+
+  intel_sub_group_avc_ime_result_single_reference_streamout_t sstreamout_list = {0};
+  intel_sub_group_avc_ime_result_dual_reference_streamout_t dstreamout_list = {0};
+  intel_sub_group_avc_ime_single_reference_streamin_t sstreamin_list = {0};
+  intel_sub_group_avc_ime_dual_reference_streamin_t dstreamin_list = {0};
+}
+
Index: lib/StaticAnalyzer/Core/ExprEngineC.cpp
===================================================================
--- lib/StaticAnalyzer/Core/ExprEngineC.cpp
+++ lib/StaticAnalyzer/Core/ExprEngineC.cpp
@@ -414,6 +414,7 @@
       case CK_ObjCObjectLValueCast:
       case CK_ZeroToOCLEvent:
       case CK_ZeroToOCLQueue:
+      case CK_ZeroToOCLIntelSubgroupAVCType:
       case CK_IntToOCLSampler:
       case CK_LValueBitCast: {
         state =
Index: lib/Serialization/ASTReader.cpp
===================================================================
--- lib/Serialization/ASTReader.cpp
+++ lib/Serialization/ASTReader.cpp
@@ -6963,6 +6963,11 @@
       T = Context.SingletonId; \
       break;
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case PREDEF_TYPE_##Id##_ID: \
+      T = Context.Id##Ty; \
+      break;
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case PREDEF_TYPE_SAMPLER_ID:
       T = Context.OCLSamplerTy;
       break;
Index: lib/Serialization/ASTCommon.cpp
===================================================================
--- lib/Serialization/ASTCommon.cpp
+++ lib/Serialization/ASTCommon.cpp
@@ -213,6 +213,11 @@
     ID = PREDEF_TYPE_##Id##_ID; \
     break;
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    ID = PREDEF_TYPE_##Id##_ID; \
+    break;
+#include "clang/Basic/OpenCLExtensionTypes.def"
   case BuiltinType::OCLSampler:
     ID = PREDEF_TYPE_SAMPLER_ID;
     break;
Index: lib/Sema/SemaInit.cpp
===================================================================
--- lib/Sema/SemaInit.cpp
+++ lib/Sema/SemaInit.cpp
@@ -1192,6 +1192,10 @@
     if (!VerifyOnly)
       SemaRef.Diag(IList->getBeginLoc(), diag::err_init_objc_class) << DeclType;
     hadError = true;
+  } else if (DeclType->isOCLIntelSubgroupAVCType()) {
+    // Checks for scalar type are sufficient for these types too.
+    CheckScalarType(Entity, IList, DeclType, Index, StructuredList,
+                    StructuredIndex);
   } else {
     if (!VerifyOnly)
       SemaRef.Diag(IList->getBeginLoc(), diag::err_illegal_initializer_type)
@@ -3263,6 +3267,7 @@
   case SK_OCLSamplerInit:
   case SK_OCLZeroEvent:
   case SK_OCLZeroQueue:
+  case SK_OCLIntelSubgroupAVCZeroInit:
     break;
 
   case SK_ConversionSequence:
@@ -3562,6 +3567,13 @@
   Steps.push_back(S);
 }
 
+void InitializationSequence::AddOCLIntelSubgroupAVCZeroInitStep(QualType T) {
+  Step S;
+  S.Kind = SK_OCLIntelSubgroupAVCZeroInit;
+  S.Type = T;
+  Steps.push_back(S);
+}
+
 void InitializationSequence::RewrapReferenceInitList(QualType T,
                                                      InitListExpr *Syntactic) {
   assert(Syntactic->getNumInits() == 1 &&
@@ -5295,6 +5307,26 @@
   return true;
 }
 
+static bool
+TryOCLIntelSubgroupAVCZeroInitialization(Sema &S,
+                                         InitializationSequence &Sequence,
+                                         QualType DestType, Expr *Initializer) {
+  // We should allow zero initialization for all types defined in the
+  // cl_intel_device_side_avc_motion_estimation extension, except
+  // intel_sub_group_avc_mce_payload_t and intel_sub_group_avc_mce_result_t.
+  // At least OpenCL 1.2 is required.
+  if (S.getLangOpts().OpenCLVersion < 120 ||
+      !DestType->isOCLIntelSubgroupAVCType() ||
+      DestType->isOCLIntelSubgroupAVCMcePayloadType() ||
+      DestType->isOCLIntelSubgroupAVCMceResultType() ||
+      !Initializer->isIntegerConstantExpr(S.getASTContext()) ||
+      Initializer->EvaluateKnownConstInt(S.getASTContext()) != 0)
+    return false;
+
+  Sequence.AddOCLIntelSubgroupAVCZeroInitStep(DestType);
+  return true;
+}
+
 InitializationSequence::InitializationSequence(Sema &S,
                                                const InitializedEntity &Entity,
                                                const InitializationKind &Kind,
@@ -5572,6 +5604,13 @@
     if (TryOCLZeroQueueInitialization(S, *this, DestType, Initializer))
        return;
 
+    if (S.getLangOpts().OpenCL && S.getOpenCLOptions().isEnabled(
+            "cl_intel_device_side_avc_motion_estimation")) {
+      if (TryOCLIntelSubgroupAVCZeroInitialization(S, *this, DestType,
+                                                   Initializer))
+        return;
+    }
+
     // Handle initialization in C
     AddCAssignmentStep(DestType);
     MaybeProduceObjCObject(S, *this, Entity);
@@ -7394,7 +7433,8 @@
   case SK_StdInitializerList:
   case SK_OCLSamplerInit:
   case SK_OCLZeroEvent:
-  case SK_OCLZeroQueue: {
+  case SK_OCLZeroQueue:
+  case SK_OCLIntelSubgroupAVCZeroInit: {
     assert(Args.size() == 1);
     CurInit = Args[0];
     if (!CurInit.get()) return ExprError();
@@ -8032,7 +8072,9 @@
         // defined in SPIR spec v1.2 and also opencl-c.h
         unsigned AddressingMode  = (0x0E & SamplerValue) >> 1;
         unsigned FilterMode      = (0x30 & SamplerValue) >> 4;
-        if (FilterMode != 1 && FilterMode != 2)
+        if (FilterMode != 1 && FilterMode != 2 &&
+            !S.getOpenCLOptions().isEnabled(
+                "cl_intel_device_side_avc_motion_estimation"))
           S.Diag(Kind.getLocation(),
                  diag::warn_sampler_initializer_invalid_bits)
                  << "Filter Mode";
@@ -8066,6 +8108,17 @@
                                     CurInit.get()->getValueKind());
       break;
     }
+    case SK_OCLIntelSubgroupAVCZeroInit: {
+      assert(Step->Type->isOCLIntelSubgroupAVCType() &&
+             "Intel subgroup AVC ME type initialization on a type which is not "
+             "defined in the cl_intel_device_side_avc_motion_estimation OpenCL "
+             "extension");
+
+      CurInit = S.ImpCastExprToType(CurInit.get(), Step->Type,
+                                    CK_ZeroToOCLIntelSubgroupAVCType,
+                                    CurInit.get()->getValueKind());
+      break;
+    }
     }
   }
 
@@ -8952,6 +9005,9 @@
     case SK_OCLZeroQueue:
       OS << "OpenCL queue_t from zero";
       break;
+    case SK_OCLIntelSubgroupAVCZeroInit:
+      OS << "OpenCL Intel Subgroup AVC ME opaque type from zero";
+      break;
     }
 
     OS << " [" << S->Type.getAsString() << ']';
Index: lib/Sema/SemaExpr.cpp
===================================================================
--- lib/Sema/SemaExpr.cpp
+++ lib/Sema/SemaExpr.cpp
@@ -5063,6 +5063,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
 #define PLACEHOLDER_TYPE(ID, SINGLETON_ID)
 #define BUILTIN_TYPE(ID, SINGLETON_ID) case BuiltinType::ID:
 #include "clang/AST/BuiltinTypes.def"
@@ -16479,6 +16482,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
 #define BUILTIN_TYPE(Id, SingletonId) case BuiltinType::Id:
 #define PLACEHOLDER_TYPE(Id, SingletonId)
 #include "clang/AST/BuiltinTypes.def"
Index: lib/Sema/Sema.cpp
===================================================================
--- lib/Sema/Sema.cpp
+++ lib/Sema/Sema.cpp
@@ -320,6 +320,10 @@
 #define GENERIC_IMAGE_TYPE_EXT(Type, Id, Ext) \
     setOpenCLExtensionForType(Context.Id, Ext);
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    addImplicitTypedef(#ExtType, Context.Id##Ty); \
+    setOpenCLExtensionForType(Context.Id##Ty, #Ext);
+#include "clang/Basic/OpenCLExtensionTypes.def"
     };
 
   if (Context.getTargetInfo().hasBuiltinMSVaList()) {
Index: lib/Index/USRGeneration.cpp
===================================================================
--- lib/Index/USRGeneration.cpp
+++ lib/Index/USRGeneration.cpp
@@ -711,6 +711,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
         case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+        case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
         case BuiltinType::OCLEvent:
         case BuiltinType::OCLClkEvent:
         case BuiltinType::OCLQueue:
Index: lib/Headers/opencl-c.h
===================================================================
--- lib/Headers/opencl-c.h
+++ lib/Headers/opencl-c.h
@@ -16193,6 +16193,633 @@
 void        __ovld __conv intel_sub_group_block_write_us8( __global ushort* p, ushort8 data );
 #endif // cl_intel_subgroups_short
 
+#ifdef cl_intel_device_side_avc_motion_estimation
+#pragma OPENCL EXTENSION cl_intel_device_side_avc_motion_estimation : enable
+
+#define CLK_AVC_ME_MAJOR_16x16_INTEL 0x0
+#define CLK_AVC_ME_MAJOR_16x8_INTEL 0x1
+#define CLK_AVC_ME_MAJOR_8x16_INTEL 0x2
+#define CLK_AVC_ME_MAJOR_8x8_INTEL 0x3
+
+#define CLK_AVC_ME_MINOR_8x8_INTEL 0x0
+#define CLK_AVC_ME_MINOR_8x4_INTEL 0x1
+#define CLK_AVC_ME_MINOR_4x8_INTEL 0x2
+#define CLK_AVC_ME_MINOR_4x4_INTEL 0x3
+
+#define CLK_AVC_ME_MAJOR_FORWARD_INTEL 0x0
+#define CLK_AVC_ME_MAJOR_BACKWARD_INTEL 0x1
+#define CLK_AVC_ME_MAJOR_BIDIRECTIONAL_INTEL 0x2
+
+#define CLK_AVC_ME_PARTITION_MASK_ALL_INTEL 0x0
+#define CLK_AVC_ME_PARTITION_MASK_16x16_INTEL 0x7E
+#define CLK_AVC_ME_PARTITION_MASK_16x8_INTEL 0x7D
+#define CLK_AVC_ME_PARTITION_MASK_8x16_INTEL 0x7B
+#define CLK_AVC_ME_PARTITION_MASK_8x8_INTEL 0x77
+#define CLK_AVC_ME_PARTITION_MASK_8x4_INTEL 0x6F
+#define CLK_AVC_ME_PARTITION_MASK_4x8_INTEL 0x5F
+#define CLK_AVC_ME_PARTITION_MASK_4x4_INTEL 0x3F
+
+#define CLK_AVC_ME_SLICE_TYPE_PRED_INTEL 0x0
+#define CLK_AVC_ME_SLICE_TYPE_BPRED_INTEL 0x1
+#define CLK_AVC_ME_SLICE_TYPE_INTRA_INTEL 0x2
+
+#define CLK_AVC_ME_SEARCH_WINDOW_EXHAUSTIVE_INTEL 0x0
+#define CLK_AVC_ME_SEARCH_WINDOW_SMALL_INTEL 0x1
+#define CLK_AVC_ME_SEARCH_WINDOW_TINY_INTEL 0x2
+#define CLK_AVC_ME_SEARCH_WINDOW_EXTRA_TINY_INTEL 0x3
+#define CLK_AVC_ME_SEARCH_WINDOW_DIAMOND_INTEL 0x4
+#define CLK_AVC_ME_SEARCH_WINDOW_LARGE_DIAMOND_INTEL 0x5
+#define CLK_AVC_ME_SEARCH_WINDOW_RESERVED0_INTEL 0x6
+#define CLK_AVC_ME_SEARCH_WINDOW_RESERVED1_INTEL 0x7
+#define CLK_AVC_ME_SEARCH_WINDOW_CUSTOM_INTEL 0x8
+#define CLK_AVC_ME_SEARCH_WINDOW_16x12_RADIUS_INTEL 0x9
+#define CLK_AVC_ME_SEARCH_WINDOW_4x4_RADIUS_INTEL 0x2
+#define CLK_AVC_ME_SEARCH_WINDOW_2x2_RADIUS_INTEL 0xa
+
+#define CLK_AVC_ME_SAD_ADJUST_MODE_NONE_INTEL 0x0
+#define CLK_AVC_ME_SAD_ADJUST_MODE_HAAR_INTEL 0x2
+
+#define CLK_AVC_ME_SUBPIXEL_MODE_INTEGER_INTEL 0x0
+#define CLK_AVC_ME_SUBPIXEL_MODE_HPEL_INTEL 0x1
+#define CLK_AVC_ME_SUBPIXEL_MODE_QPEL_INTEL 0x3
+
+#define CLK_AVC_ME_COST_PRECISION_QPEL_INTEL 0x0
+#define CLK_AVC_ME_COST_PRECISION_HPEL_INTEL 0x1
+#define CLK_AVC_ME_COST_PRECISION_PEL_INTEL 0x2
+#define CLK_AVC_ME_COST_PRECISION_DPEL_INTEL 0x3
+
+#define CLK_AVC_ME_BIDIR_WEIGHT_QUARTER_INTEL 0x10
+#define CLK_AVC_ME_BIDIR_WEIGHT_THIRD_INTEL 0x15
+#define CLK_AVC_ME_BIDIR_WEIGHT_HALF_INTEL 0x20
+#define CLK_AVC_ME_BIDIR_WEIGHT_TWO_THIRD_INTEL 0x2B
+#define CLK_AVC_ME_BIDIR_WEIGHT_THREE_QUARTER_INTEL 0x30
+
+#define CLK_AVC_ME_BORDER_REACHED_LEFT_INTEL 0x0
+#define CLK_AVC_ME_BORDER_REACHED_RIGHT_INTEL 0x2
+#define CLK_AVC_ME_BORDER_REACHED_TOP_INTEL 0x4
+#define CLK_AVC_ME_BORDER_REACHED_BOTTOM_INTEL 0x8
+
+#define CLK_AVC_ME_INTRA_16x16_INTEL 0x0
+#define CLK_AVC_ME_INTRA_8x8_INTEL 0x1
+#define CLK_AVC_ME_INTRA_4x4_INTEL 0x2
+
+#define CLK_AVC_ME_SKIP_BLOCK_PARTITION_16x16_INTEL 0x0
+#define CLK_AVC_ME_SKIP_BLOCK_PARTITION_8x8_INTEL 0x4000
+
+#define CLK_AVC_ME_SKIP_BLOCK_16x16_FORWARD_ENABLE_INTEL (0x1 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_16x16_BACKWARD_ENABLE_INTEL (0x2 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_16x16_DUAL_ENABLE_INTEL (0x3 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_FORWARD_ENABLE_INTEL (0x55 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_BACKWARD_ENABLE_INTEL (0xAA << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_DUAL_ENABLE_INTEL (0xFF << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_0_FORWARD_ENABLE_INTEL (0x1 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_0_BACKWARD_ENABLE_INTEL (0x2 << 24)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_1_FORWARD_ENABLE_INTEL (0x1 << 26)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_1_BACKWARD_ENABLE_INTEL (0x2 << 26)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_2_FORWARD_ENABLE_INTEL (0x1 << 28)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_2_BACKWARD_ENABLE_INTEL (0x2 << 28)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_3_FORWARD_ENABLE_INTEL (0x1 << 30)
+#define CLK_AVC_ME_SKIP_BLOCK_8x8_3_BACKWARD_ENABLE_INTEL (0x2 << 30)
+
+#define CLK_AVC_ME_BLOCK_BASED_SKIP_4x4_INTEL 0x00
+#define CLK_AVC_ME_BLOCK_BASED_SKIP_8x8_INTEL 0x80
+
+#define CLK_AVC_ME_INTRA_LUMA_PARTITION_MASK_ALL_INTEL 0x0
+#define CLK_AVC_ME_INTRA_LUMA_PARTITION_MASK_16x16_INTEL 0x6
+#define CLK_AVC_ME_INTRA_LUMA_PARTITION_MASK_8x8_INTEL 0x5
+#define CLK_AVC_ME_INTRA_LUMA_PARTITION_MASK_4x4_INTEL 0x3
+
+#define CLK_AVC_ME_INTRA_NEIGHBOR_LEFT_MASK_ENABLE_INTEL 0x60
+#define CLK_AVC_ME_INTRA_NEIGHBOR_UPPER_MASK_ENABLE_INTEL 0x10
+#define CLK_AVC_ME_INTRA_NEIGHBOR_UPPER_RIGHT_MASK_ENABLE_INTEL 0x8
+#define CLK_AVC_ME_INTRA_NEIGHBOR_UPPER_LEFT_MASK_ENABLE_INTEL 0x4
+
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_VERTICAL_INTEL 0x0
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_HORIZONTAL_INTEL 0x1
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_DC_INTEL 0x2
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_DIAGONAL_DOWN_LEFT_INTEL 0x3
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_DIAGONAL_DOWN_RIGHT_INTEL 0x4
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_PLANE_INTEL 0x4
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_VERTICAL_RIGHT_INTEL 0x5
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_HORIZONTAL_DOWN_INTEL 0x6
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_VERTICAL_LEFT_INTEL 0x7
+#define CLK_AVC_ME_LUMA_PREDICTOR_MODE_HORIZONTAL_UP_INTEL 0x8
+#define CLK_AVC_ME_CHROMA_PREDICTOR_MODE_DC_INTEL 0x0
+#define CLK_AVC_ME_CHROMA_PREDICTOR_MODE_HORIZONTAL_INTEL 0x1
+#define CLK_AVC_ME_CHROMA_PREDICTOR_MODE_VERTICAL_INTEL 0x2
+#define CLK_AVC_ME_CHROMA_PREDICTOR_MODE_PLANE_INTEL 0x3
+
+#define CLK_AVC_ME_FRAME_FORWARD_INTEL 0x1
+#define CLK_AVC_ME_FRAME_BACKWARD_INTEL 0x2
+#define CLK_AVC_ME_FRAME_DUAL_INTEL 0x3
+
+#define CLK_AVC_ME_INTERLACED_SCAN_TOP_FIELD_INTEL 0x0
+#define CLK_AVC_ME_INTERLACED_SCAN_BOTTOM_FIELD_INTEL 0x1
+
+#define CLK_AVC_ME_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_PAYLOAD_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_PAYLOAD_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_REF_RESULT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_SIC_RESULT_INITIALIZE_INTEL 0x0
+
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_SINGLE_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMOUT_INITIALIZE_INTEL 0x0
+#define CLK_AVC_IME_RESULT_DUAL_REFERENCE_STREAMIN_INITIALIZE_INTEL 0x0
+
+// MCE built-in functions
+uchar __ovld
+intel_sub_group_avc_mce_get_default_inter_base_multi_reference_penalty(
+    uchar slice_type, uchar qp);
+ulong __ovld intel_sub_group_avc_mce_get_default_inter_shape_penalty(
+    uchar slice_type, uchar qp);
+uchar __ovld intel_sub_group_avc_mce_get_default_inter_direction_penalty(
+    uchar slice_type, uchar qp);
+uint __ovld intel_sub_group_avc_mce_get_default_intra_luma_shape_penalty(
+    uchar slice_type, uchar qp);
+uint2 __ovld
+intel_sub_group_avc_mce_get_default_inter_motion_vector_coslice_type_table(
+    uchar slice_type, uchar qp);
+uchar __ovld intel_sub_group_avc_mce_get_default_intra_luma_mode_penalty(
+    uchar slice_type, uchar qp);
+
+uint2 __ovld intel_sub_group_avc_mce_get_default_high_penalty_cost_table();
+uint2 __ovld intel_sub_group_avc_mce_get_default_medium_penalty_cost_table();
+uint2 __ovld intel_sub_group_avc_mce_get_default_low_penalty_cost_table();
+uint __ovld intel_sub_group_avc_mce_get_default_non_dc_luma_intra_penalty();
+uchar __ovld
+intel_sub_group_avc_mce_get_default_intra_chroma_mode_base_penalty();
+
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_inter_base_multi_reference_penalty(
+    uchar reference_penalty, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_inter_shape_penalty(
+    ulong packed_shape_cost, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_inter_direction_penalty(
+    uchar direction_cost, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_motion_vector_cost_function(
+    ulong packed_cost_center_delta, uint2 packed_cost_table,
+    uchar cost_precision, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_ac_only_haar(
+  intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_source_interlaced_field_polarity(
+    uchar src_field_polarity, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_single_reference_interlaced_field_polarity(
+    uchar ref_field_polarity, intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_mce_set_dual_reference_interlaced_field_polarities(
+    uchar fwd_ref_field_polarity, uchar bwd_ref_field_polarity,
+    intel_sub_group_avc_mce_payload_t payload);
+
+ulong __ovld intel_sub_group_avc_mce_get_motion_vectors(
+    intel_sub_group_avc_mce_result_t result);
+ushort __ovld intel_sub_group_avc_mce_get_inter_distortions(
+    intel_sub_group_avc_mce_result_t result);
+ushort __ovld intel_sub_group_avc_mce_get_best_inter_distortion(
+    intel_sub_group_avc_mce_result_t result);
+uchar __ovld intel_sub_group_avc_mce_get_inter_major_shape(
+    intel_sub_group_avc_mce_result_t result);
+uchar __ovld intel_sub_group_avc_mce_get_inter_minor_shapes(
+    intel_sub_group_avc_mce_result_t result);
+uchar __ovld intel_sub_group_avc_mce_get_inter_directions(
+    intel_sub_group_avc_mce_result_t result);
+uchar __ovld intel_sub_group_avc_mce_get_inter_motion_vector_count(
+    intel_sub_group_avc_mce_result_t result);
+uint __ovld intel_sub_group_avc_mce_get_inter_reference_ids(
+    intel_sub_group_avc_mce_result_t result);
+uchar __ovld
+intel_sub_group_avc_mce_get_inter_reference_interlaced_field_polarities(
+    uint packed_reference_ids, uint packed_reference_parameter_field_polarities,
+    intel_sub_group_avc_mce_result_t result);
+
+// IME built-in functions
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_initialize(
+    ushort2 src_coord, uchar partition_mask, uchar sad_adjustment);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_single_reference(
+    short2 offset, uchar search_window_config,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_dual_reference(
+    short2 fwd_ref_offset, short2 bwd_ref_offset, uchar search_window_config,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_max_motion_vector_count(
+    uchar max_motion_vector_count, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_unidirectional_mix_disable(
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_early_search_termination_threshold(
+    uchar threshold, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_weighted_sad(
+  uint packed_sad_weights, intel_sub_group_avc_ime_payload_t payload);
+
+ushort2 __ovld intel_sub_group_avc_ime_ref_window_size(
+    uchar search_window_config, char dual_ref);
+short2 __ovld intel_sub_group_avc_ime_adjust_ref_offset(
+    short2 ref_offset, ushort2 ref_coord, ushort2 ref_window_size,
+    ushort2 frame_size);
+
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_evaluate_with_single_reference(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_evaluate_with_dual_reference(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accel,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_result_single_reference_streamout_t __ovld
+intel_sub_group_avc_ime_evaluate_with_single_reference_streamout(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_result_dual_reference_streamout_t __ovld
+intel_sub_group_avc_ime_evaluate_with_dual_reference_streamout(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_evaluate_with_single_reference_streamin(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload,
+    intel_sub_group_avc_ime_single_reference_streamin_t streamin);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_evaluate_with_dual_reference_streamin(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload,
+    intel_sub_group_avc_ime_dual_reference_streamin_t streamin);
+intel_sub_group_avc_ime_result_single_reference_streamout_t __ovld
+intel_sub_group_avc_ime_evaluate_with_single_reference_streaminout(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload,
+    intel_sub_group_avc_ime_single_reference_streamin_t streamin);
+intel_sub_group_avc_ime_result_dual_reference_streamout_t __ovld
+intel_sub_group_avc_ime_evaluate_with_dual_reference_streaminout(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ime_payload_t payload,
+    intel_sub_group_avc_ime_dual_reference_streamin_t streamin);
+
+intel_sub_group_avc_ime_single_reference_streamin_t __ovld
+intel_sub_group_avc_ime_get_single_reference_streamin(
+    intel_sub_group_avc_ime_result_single_reference_streamout_t result);
+intel_sub_group_avc_ime_dual_reference_streamin_t __ovld
+intel_sub_group_avc_ime_get_dual_reference_streamin(
+    intel_sub_group_avc_ime_result_dual_reference_streamout_t result);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_strip_single_reference_streamout(
+    intel_sub_group_avc_ime_result_single_reference_streamout_t result);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_ime_strip_dual_reference_streamout(
+    intel_sub_group_avc_ime_result_dual_reference_streamout_t result);
+
+uint __ovld intel_sub_group_avc_ime_get_streamout_major_shape_motion_vectors(
+    intel_sub_group_avc_ime_result_single_reference_streamout_t result,
+    uchar major_shape);
+ushort __ovld intel_sub_group_avc_ime_get_streamout_major_shape_distortions(
+    intel_sub_group_avc_ime_result_single_reference_streamout_t result,
+    uchar major_shape);
+uchar __ovld intel_sub_group_avc_ime_get_streamout_major_shape_reference_ids(
+    intel_sub_group_avc_ime_result_single_reference_streamout_t result,
+    uchar major_shape);
+uint __ovld intel_sub_group_avc_ime_get_streamout_major_shape_motion_vectors(
+    intel_sub_group_avc_ime_result_dual_reference_streamout_t result,
+    uchar major_shape, uchar direction);
+ushort __ovld intel_sub_group_avc_ime_get_streamout_major_shape_distortions(
+    intel_sub_group_avc_ime_result_dual_reference_streamout_t result,
+    uchar major_shape, uchar direction);
+uchar __ovld intel_sub_group_avc_ime_get_streamout_major_shape_reference_ids(
+    intel_sub_group_avc_ime_result_dual_reference_streamout_t result,
+    uchar major_shape, uchar direction);
+
+uchar __ovld intel_sub_group_avc_ime_get_border_reached(
+    uchar frame_select, intel_sub_group_avc_ime_result_t result);
+uchar __ovld intel_sub_group_avc_ime_get_truncated_search_indication(
+    intel_sub_group_avc_ime_result_t payload);
+uchar __ovld
+intel_sub_group_avc_ime_get_unidirectional_early_search_termination(
+    intel_sub_group_avc_ime_result_t result);
+uint __ovld intel_sub_group_avc_ime_get_weighting_pattern_minimum_motion_vector(
+    intel_sub_group_avc_ime_result_t result);
+ushort __ovld intel_sub_group_avc_ime_get_weighting_pattern_minimum_distortion(
+    intel_sub_group_avc_ime_result_t result);
+
+// REF built-in functions
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_fme_initialize(
+    ushort2 src_coord, ulong motion_vectors, uchar major_shapes,
+    uchar minor_shapes, uchar directions, uchar pixel_resolution,
+    uchar sad_adjustment);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_bme_initialize(
+    ushort2 src_coord, ulong motion_vectors, uchar major_shapes,
+    uchar minor_shapes, uchar directions, uchar pixel_resolution,
+    uchar bidirectional_weight, uchar sad_adjustment);
+
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_bidirectional_mix_disable(
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_bilinear_filter_enable(
+    intel_sub_group_avc_ref_payload_t payload);
+
+intel_sub_group_avc_ref_result_t __ovld
+intel_sub_group_avc_ref_evaluate_with_single_reference(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_ref_result_t __ovld
+intel_sub_group_avc_ref_evaluate_with_dual_reference(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_ref_result_t __ovld
+intel_sub_group_avc_ref_evaluate_with_multi_reference(
+    read_only image2d_t src, uint packed_reference_ids,
+    sampler_t vme_accelerator, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_ref_result_t __ovld
+intel_sub_group_avc_ref_evaluate_with_multi_reference(
+    read_only image2d_t src, uint packed_reference_ids,
+    uchar packed_reference_field_polarities, sampler_t vme_accelerator,
+    intel_sub_group_avc_ref_payload_t payload);
+
+// SIC built-in functions
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_initialize(
+    ushort2 src_coord);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_configure_skc(
+    uint skip_block_partition_type, uint skip_motion_vector_mask,
+    ulong motion_vectors, uchar bidirectional_weight, uchar skip_sad_adjustment,
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_configure_ipe(
+    uchar luma_intra_partition_mask, uchar intra_neighbour_availabilty,
+    uchar left_edge_luma_pixels, uchar left_upper_edge_luma_pixel,
+    uchar upper_edge_luma_pixels, uchar upper_right_edge_luma_pixels,
+    uchar intra_sad_adjustment, intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_configure_ipe(
+    uchar luma_intra_partition_mask, uchar intra_neighbour_availabilty,
+    uchar left_edge_luma_pixels, uchar left_upper_edge_luma_pixel,
+    uchar upper_edge_luma_pixels, uchar upper_right_edge_luma_pixels,
+    ushort left_edge_chroma_pixels, ushort upper_left_corner_chroma_pixel,
+    ushort upper_edge_chroma_pixels, uchar intra_sad_adjustment,
+    intel_sub_group_avc_sic_payload_t payload);
+uint __ovld
+intel_sub_group_avc_sic_get_motion_vector_mask(
+    uint skip_block_partition_type, uchar direction);
+
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_intra_luma_shape_penalty(
+    uint packed_shape_cost, intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_intra_luma_mode_cost_function(
+    uchar luma_mode_penalty, uint luma_packed_neighbor_modes,
+    uint luma_packed_non_dc_penalty, intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_intra_chroma_mode_cost_function(
+    uchar chroma_mode_penalty, intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_skc_bilinear_filter_enable(
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_skc_forward_transform_enable(
+    ulong packed_sad_coefficients, intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_block_based_raw_skip_sad(
+    uchar block_based_skip_block_type,
+    intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_sic_evaluate_ipe(
+    read_only image2d_t src, sampler_t vme_accelerator,
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_sic_evaluate_with_single_reference(
+    read_only image2d_t src, read_only image2d_t ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_sic_evaluate_with_dual_reference(
+    read_only image2d_t src, read_only image2d_t fwd_ref,
+    read_only image2d_t bwd_ref, sampler_t vme_accelerator,
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_sic_evaluate_with_multi_reference(
+    read_only image2d_t src, uint ids, sampler_t vme_accelerator,
+    intel_sub_group_avc_sic_payload_t pl);
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_sic_evaluate_with_multi_reference(
+    read_only image2d_t src, uint ids, uchar field_polarities,
+    sampler_t vme_accelerator, intel_sub_group_avc_sic_payload_t payload);
+
+uchar __ovld intel_sub_group_avc_sic_get_ipe_luma_shape(
+    intel_sub_group_avc_sic_result_t result);
+ushort __ovld intel_sub_group_avc_sic_get_best_ipe_luma_distortion(
+    intel_sub_group_avc_sic_result_t result);
+ushort __ovld intel_sub_group_avc_sic_get_best_ipe_chroma_distortion(
+    intel_sub_group_avc_sic_result_t result);
+ulong __ovld intel_sub_group_avc_sic_get_packed_ipe_luma_modes(
+    intel_sub_group_avc_sic_result_t result);
+uchar __ovld intel_sub_group_avc_sic_get_ipe_chroma_mode(
+    intel_sub_group_avc_sic_result_t result);
+uint __ovld intel_sub_group_avc_sic_get_packed_skc_luma_count_threshold(
+    intel_sub_group_avc_sic_result_t result);
+ulong __ovld intel_sub_group_avc_sic_get_packed_skc_luma_sum_threshold(
+    intel_sub_group_avc_sic_result_t result);
+ushort __ovld intel_sub_group_avc_sic_get_inter_raw_sads(
+    intel_sub_group_avc_sic_result_t result);
+
+// Wrappers
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_inter_base_multi_reference_penalty(
+    uchar ref_penalty, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_inter_base_multi_reference_penalty(
+    uchar ref_penalty, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_inter_base_multi_reference_penalty(
+    uchar ref_penalty, intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_inter_shape_penalty(
+    ulong packed_shape_cost, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_inter_shape_penalty(
+    ulong packed_shape_cost, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_inter_shape_penalty(
+    ulong packed_shape_cost, intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_inter_direction_penalty(
+    uchar direction_cost, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_inter_direction_penalty(
+    uchar direction_cost, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_inter_direction_penalty(
+    uchar direction_cost, intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_motion_vector_cost_function(
+    ulong cost_delta, uint2 cost_table, uchar cost_precision,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_motion_vector_cost_function(
+    ulong cost_delta, uint2 cost_table, uchar cost_precision,
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_motion_vector_cost_function(
+    ulong cost_delta, uint2 cost_table, uchar cost_precision,
+    intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_source_interlaced_field_polarity(
+    uchar src_field_polarity, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_source_interlaced_field_polarity(
+    uchar src_field_polarity, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_source_interlaced_field_polarity(
+    uchar src_field_polarity, intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_single_reference_interlaced_field_polarity(
+    uchar ref_field_polarity, intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_single_reference_interlaced_field_polarity(
+    uchar ref_field_polarity, intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_single_reference_interlaced_field_polarity(
+    uchar ref_field_polarity, intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_dual_reference_interlaced_field_polarities(
+    uchar fwd_ref_field_polarity, uchar bwd_ref_field_polarity,
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_dual_reference_interlaced_field_polarities(
+    uchar fwd_ref_field_polarity, uchar bwd_ref_field_polarity,
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_dual_reference_interlaced_field_polarities(
+    uchar fwd_ref_field_polarity, uchar bwd_ref_field_polarity,
+    intel_sub_group_avc_sic_payload_t payload);
+
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_ime_set_ac_only_haar(
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_ref_set_ac_only_haar(
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_sic_set_ac_only_haar(
+    intel_sub_group_avc_sic_payload_t payload);
+
+ulong __ovld intel_sub_group_avc_ime_get_motion_vectors(
+    intel_sub_group_avc_ime_result_t result);
+ulong __ovld intel_sub_group_avc_ref_get_motion_vectors(
+    intel_sub_group_avc_ref_result_t result);
+
+ushort __ovld intel_sub_group_avc_ime_get_inter_distortions(
+    intel_sub_group_avc_ime_result_t result);
+ushort __ovld intel_sub_group_avc_ref_get_inter_distortions(
+    intel_sub_group_avc_ref_result_t result);
+ushort __ovld intel_sub_group_avc_sic_get_inter_distortions(
+    intel_sub_group_avc_sic_result_t result);
+
+ushort __ovld intel_sub_group_avc_ime_get_best_inter_distortion(
+    intel_sub_group_avc_ime_result_t result);
+ushort __ovld intel_sub_group_avc_ref_get_best_inter_distortion(
+    intel_sub_group_avc_ref_result_t result);
+
+uchar __ovld intel_sub_group_avc_ime_get_inter_major_shape(
+    intel_sub_group_avc_ime_result_t result);
+uchar __ovld intel_sub_group_avc_ref_get_inter_major_shape(
+    intel_sub_group_avc_ref_result_t result);
+uchar __ovld intel_sub_group_avc_ime_get_inter_minor_shapes(
+    intel_sub_group_avc_ime_result_t result);
+uchar __ovld intel_sub_group_avc_ref_get_inter_minor_shapes(
+    intel_sub_group_avc_ref_result_t result);
+
+uchar __ovld intel_sub_group_avc_ime_get_inter_directions(
+    intel_sub_group_avc_ime_result_t result);
+uchar __ovld intel_sub_group_avc_ref_get_inter_directions(
+    intel_sub_group_avc_ref_result_t result);
+
+uchar __ovld intel_sub_group_avc_ime_get_inter_motion_vector_count(
+    intel_sub_group_avc_ime_result_t result);
+uchar __ovld intel_sub_group_avc_ref_get_inter_motion_vector_count(
+    intel_sub_group_avc_ref_result_t result);
+
+uint __ovld intel_sub_group_avc_ime_get_inter_reference_ids(
+    intel_sub_group_avc_ime_result_t result);
+uint __ovld intel_sub_group_avc_ref_get_inter_reference_ids(
+    intel_sub_group_avc_ref_result_t result);
+
+uchar __ovld
+intel_sub_group_avc_ime_get_inter_reference_interlaced_field_polarities(
+    uint packed_reference_ids, uint packed_reference_parameter_field_polarities,
+    intel_sub_group_avc_ime_result_t result);
+uchar __ovld
+intel_sub_group_avc_ref_get_inter_reference_interlaced_field_polarities(
+    uint packed_reference_ids, uint packed_reference_parameter_field_polarities,
+    intel_sub_group_avc_ref_result_t result);
+
+// Type conversion functions
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_ime_convert_to_mce_payload(
+    intel_sub_group_avc_ime_payload_t payload);
+intel_sub_group_avc_ime_payload_t __ovld
+intel_sub_group_avc_mce_convert_to_ime_payload(
+    intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_ref_convert_to_mce_payload(
+    intel_sub_group_avc_ref_payload_t payload);
+intel_sub_group_avc_ref_payload_t __ovld
+intel_sub_group_avc_mce_convert_to_ref_payload(
+    intel_sub_group_avc_mce_payload_t payload);
+intel_sub_group_avc_mce_payload_t __ovld
+intel_sub_group_avc_sic_convert_to_mce_payload(
+    intel_sub_group_avc_sic_payload_t payload);
+intel_sub_group_avc_sic_payload_t __ovld
+intel_sub_group_avc_mce_convert_to_sic_payload(
+    intel_sub_group_avc_mce_payload_t payload);
+
+intel_sub_group_avc_mce_result_t __ovld
+intel_sub_group_avc_ime_convert_to_mce_result(
+    intel_sub_group_avc_ime_result_t result);
+intel_sub_group_avc_ime_result_t __ovld
+intel_sub_group_avc_mce_convert_to_ime_result(
+    intel_sub_group_avc_mce_result_t result);
+intel_sub_group_avc_mce_result_t __ovld
+intel_sub_group_avc_ref_convert_to_mce_result(
+    intel_sub_group_avc_ref_result_t result);
+intel_sub_group_avc_ref_result_t __ovld
+intel_sub_group_avc_mce_convert_to_ref_result(
+    intel_sub_group_avc_mce_result_t result);
+intel_sub_group_avc_mce_result_t __ovld
+intel_sub_group_avc_sic_convert_to_mce_result(
+    intel_sub_group_avc_sic_result_t result);
+intel_sub_group_avc_sic_result_t __ovld
+intel_sub_group_avc_mce_convert_to_sic_result(
+    intel_sub_group_avc_mce_result_t result);
+#endif // cl_intel_device_side_avc_motion_estimation
+
 #ifdef cl_amd_media_ops
 uint __ovld amd_bitalign(uint a, uint b, uint c);
 uint2 __ovld amd_bitalign(uint2 a, uint2 b, uint2 c);
Index: lib/Edit/RewriteObjCFoundationAPI.cpp
===================================================================
--- lib/Edit/RewriteObjCFoundationAPI.cpp
+++ lib/Edit/RewriteObjCFoundationAPI.cpp
@@ -1080,6 +1080,7 @@
     case CK_BuiltinFnToFnPtr:
     case CK_ZeroToOCLEvent:
     case CK_ZeroToOCLQueue:
+    case CK_ZeroToOCLIntelSubgroupAVCType:
     case CK_IntToOCLSampler:
       return false;
 
Index: lib/CodeGen/ItaniumCXXABI.cpp
===================================================================
--- lib/CodeGen/ItaniumCXXABI.cpp
+++ lib/CodeGen/ItaniumCXXABI.cpp
@@ -2812,6 +2812,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case BuiltinType::OCLSampler:
     case BuiltinType::OCLEvent:
     case BuiltinType::OCLClkEvent:
Index: lib/CodeGen/CodeGenTypes.cpp
===================================================================
--- lib/CodeGen/CodeGenTypes.cpp
+++ lib/CodeGen/CodeGenTypes.cpp
@@ -503,6 +503,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case BuiltinType::OCLSampler:
     case BuiltinType::OCLEvent:
     case BuiltinType::OCLClkEvent:
Index: lib/CodeGen/CGOpenCLRuntime.cpp
===================================================================
--- lib/CodeGen/CGOpenCLRuntime.cpp
+++ lib/CodeGen/CGOpenCLRuntime.cpp
@@ -62,6 +62,11 @@
   case BuiltinType::OCLReserveID:
     return llvm::PointerType::get(
         llvm::StructType::create(Ctx, "opencl.reserve_id_t"), AddrSpc);
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    return llvm::PointerType::get( \
+        llvm::StructType::create(Ctx, "opencl." #ExtType), AddrSpc);
+#include "clang/Basic/OpenCLExtensionTypes.def"
   }
 }
 
Index: lib/CodeGen/CGExprScalar.cpp
===================================================================
--- lib/CodeGen/CGExprScalar.cpp
+++ lib/CodeGen/CGExprScalar.cpp
@@ -1929,6 +1929,14 @@
     return llvm::Constant::getNullValue(ConvertType(DestTy));
   }
 
+  case CK_ZeroToOCLIntelSubgroupAVCType: {
+    assert(DestTy->isOCLIntelSubgroupAVCType() &&
+        "CK_ZeroToOCLIntelSubgroupAVCType cast on type which is not "
+        "defined in the cl_intel_device_side_avc_motion_estimation "
+        "OpenCL extension is invalid");
+    return llvm::Constant::getNullValue(ConvertType(DestTy));
+  }
+
   case CK_IntToOCLSampler:
     return CGF.CGM.createOpenCLIntToSamplerConversion(E, CGF);
 
Index: lib/CodeGen/CGExprConstant.cpp
===================================================================
--- lib/CodeGen/CGExprConstant.cpp
+++ lib/CodeGen/CGExprConstant.cpp
@@ -871,6 +871,7 @@
     case CK_FloatingCast:
     case CK_ZeroToOCLEvent:
     case CK_ZeroToOCLQueue:
+    case CK_ZeroToOCLIntelSubgroupAVCType:
       return nullptr;
     }
     llvm_unreachable("Invalid CastKind");
Index: lib/CodeGen/CGExprComplex.cpp
===================================================================
--- lib/CodeGen/CGExprComplex.cpp
+++ lib/CodeGen/CGExprComplex.cpp
@@ -507,6 +507,7 @@
   case CK_BuiltinFnToFnPtr:
   case CK_ZeroToOCLEvent:
   case CK_ZeroToOCLQueue:
+  case CK_ZeroToOCLIntelSubgroupAVCType:
   case CK_AddressSpaceConversion:
   case CK_IntToOCLSampler:
     llvm_unreachable("invalid cast kind for complex value");
Index: lib/CodeGen/CGExprAgg.cpp
===================================================================
--- lib/CodeGen/CGExprAgg.cpp
+++ lib/CodeGen/CGExprAgg.cpp
@@ -849,6 +849,7 @@
   case CK_BuiltinFnToFnPtr:
   case CK_ZeroToOCLEvent:
   case CK_ZeroToOCLQueue:
+  case CK_ZeroToOCLIntelSubgroupAVCType:
   case CK_AddressSpaceConversion:
   case CK_IntToOCLSampler:
     llvm_unreachable("cast kind invalid for aggregate types");
Index: lib/CodeGen/CGExpr.cpp
===================================================================
--- lib/CodeGen/CGExpr.cpp
+++ lib/CodeGen/CGExpr.cpp
@@ -4257,6 +4257,10 @@
     llvm_unreachable("NULL to OpenCL queue lvalue cast is not valid");
   case CK_ZeroToOCLEvent:
     llvm_unreachable("NULL to OpenCL event lvalue cast is not valid");
+  case CK_ZeroToOCLIntelSubgroupAVCType:
+    llvm_unreachable("NULL to lvalue of opaque type from the "
+                     "cl_intel_device_side_avc_motion_estimation OpenCL "
+                     "extension is not valid");
   }
 
   llvm_unreachable("Unhandled lvalue cast kind?");
Index: lib/CodeGen/CGDebugInfo.h
===================================================================
--- lib/CodeGen/CGDebugInfo.h
+++ lib/CodeGen/CGDebugInfo.h
@@ -76,6 +76,9 @@
   llvm::DIType *OCLQueueDITy = nullptr;
   llvm::DIType *OCLNDRangeDITy = nullptr;
   llvm::DIType *OCLReserveIDDITy = nullptr;
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  llvm::DIType *Id##Ty = nullptr;
+#include "clang/Basic/OpenCLExtensionTypes.def"
 
   /// Cache of previously constructed Types.
   llvm::DenseMap<const void *, llvm::TrackingMDRef> TypeCache;
Index: lib/CodeGen/CGDebugInfo.cpp
===================================================================
--- lib/CodeGen/CGDebugInfo.cpp
+++ lib/CodeGen/CGDebugInfo.cpp
@@ -659,6 +659,10 @@
     return getOrCreateStructPtrType("opencl_queue_t", OCLQueueDITy);
   case BuiltinType::OCLReserveID:
     return getOrCreateStructPtrType("opencl_reserve_id_t", OCLReserveIDDITy);
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    return getOrCreateStructPtrType("opencl_" #ExtType, Id##Ty);
+#include "clang/Basic/OpenCLExtensionTypes.def"
 
   case BuiltinType::UChar:
   case BuiltinType::Char_U:
Index: lib/Analysis/PrintfFormatString.cpp
===================================================================
--- lib/Analysis/PrintfFormatString.cpp
+++ lib/Analysis/PrintfFormatString.cpp
@@ -708,6 +708,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
 #define SIGNED_TYPE(Id, SingletonId)
 #define UNSIGNED_TYPE(Id, SingletonId)
 #define FLOATING_TYPE(Id, SingletonId)
Index: lib/AST/TypeLoc.cpp
===================================================================
--- lib/AST/TypeLoc.cpp
+++ lib/AST/TypeLoc.cpp
@@ -384,6 +384,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
   case BuiltinType::OCLSampler:
   case BuiltinType::OCLEvent:
   case BuiltinType::OCLClkEvent:
Index: lib/AST/Type.cpp
===================================================================
--- lib/AST/Type.cpp
+++ lib/AST/Type.cpp
@@ -2785,6 +2785,10 @@
     return "reserve_id_t";
   case OMPArraySection:
     return "<OpenMP array section type>";
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case Id: \
+    return #ExtType;
+#include "clang/Basic/OpenCLExtensionTypes.def"
   }
 
   llvm_unreachable("Invalid builtin type.");
@@ -3745,6 +3749,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case BuiltinType::OCLSampler:
     case BuiltinType::OCLEvent:
     case BuiltinType::OCLClkEvent:
Index: lib/AST/NSAPI.cpp
===================================================================
--- lib/AST/NSAPI.cpp
+++ lib/AST/NSAPI.cpp
@@ -475,6 +475,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
   case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
   case BuiltinType::OCLSampler:
   case BuiltinType::OCLEvent:
   case BuiltinType::OCLClkEvent:
Index: lib/AST/MicrosoftMangle.cpp
===================================================================
--- lib/AST/MicrosoftMangle.cpp
+++ lib/AST/MicrosoftMangle.cpp
@@ -1985,6 +1985,11 @@
     Out << "PA";
     mangleArtificalTagType(TTK_Struct, "ocl_reserveid");
     break;
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    mangleArtificalTagType(TTK_Struct, "ocl_" #ExtType); \
+    break;
+#include "clang/Basic/OpenCLExtensionTypes.def"
 
   case BuiltinType::NullPtr:
     Out << "$$T";
Index: lib/AST/ItaniumMangle.cpp
===================================================================
--- lib/AST/ItaniumMangle.cpp
+++ lib/AST/ItaniumMangle.cpp
@@ -2652,6 +2652,12 @@
   case BuiltinType::OCLReserveID:
     Out << "13ocl_reserveid";
     break;
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    type_name = "ocl_" #ExtType; \
+    Out << type_name.size() << type_name; \
+    break;
+#include "clang/Basic/OpenCLExtensionTypes.def"
   }
 }
 
Index: lib/AST/ExprConstant.cpp
===================================================================
--- lib/AST/ExprConstant.cpp
+++ lib/AST/ExprConstant.cpp
@@ -7629,6 +7629,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case BuiltinType::OCLSampler:
     case BuiltinType::OCLEvent:
     case BuiltinType::OCLClkEvent:
@@ -9553,6 +9556,7 @@
   case CK_BuiltinFnToFnPtr:
   case CK_ZeroToOCLEvent:
   case CK_ZeroToOCLQueue:
+  case CK_ZeroToOCLIntelSubgroupAVCType:
   case CK_NonAtomicToAtomic:
   case CK_AddressSpaceConversion:
   case CK_IntToOCLSampler:
@@ -10087,6 +10091,7 @@
   case CK_BuiltinFnToFnPtr:
   case CK_ZeroToOCLEvent:
   case CK_ZeroToOCLQueue:
+  case CK_ZeroToOCLIntelSubgroupAVCType:
   case CK_NonAtomicToAtomic:
   case CK_AddressSpaceConversion:
   case CK_IntToOCLSampler:
Index: lib/AST/Expr.cpp
===================================================================
--- lib/AST/Expr.cpp
+++ lib/AST/Expr.cpp
@@ -1643,6 +1643,7 @@
   case CK_ARCExtendBlockObject:
   case CK_ZeroToOCLEvent:
   case CK_ZeroToOCLQueue:
+  case CK_ZeroToOCLIntelSubgroupAVCType:
   case CK_IntToOCLSampler:
     assert(!getType()->isBooleanType() && "unheralded conversion to bool");
     goto CheckNoBasePath;
Index: lib/AST/ASTImporter.cpp
===================================================================
--- lib/AST/ASTImporter.cpp
+++ lib/AST/ASTImporter.cpp
@@ -612,6 +612,10 @@
   case BuiltinType::Id: \
     return Importer.getToContext().SingletonId;
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id: \
+    return Importer.getToContext().Id##Ty;
+#include "clang/Basic/OpenCLExtensionTypes.def"
 #define SHARED_SINGLETON_TYPE(Expansion)
 #define BUILTIN_TYPE(Id, SingletonId) \
   case BuiltinType::Id: return Importer.getToContext().SingletonId;
Index: lib/AST/ASTContext.cpp
===================================================================
--- lib/AST/ASTContext.cpp
+++ lib/AST/ASTContext.cpp
@@ -1241,6 +1241,10 @@
     InitBuiltinType(OCLClkEventTy, BuiltinType::OCLClkEvent);
     InitBuiltinType(OCLQueueTy, BuiltinType::OCLQueue);
     InitBuiltinType(OCLReserveIDTy, BuiltinType::OCLReserveID);
+
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    InitBuiltinType(Id##Ty, BuiltinType::Id);
+#include "clang/Basic/OpenCLExtensionTypes.def"
   }
 
   // Builtin type for __objc_yes and __objc_no
@@ -1892,6 +1896,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
       AS = getTargetAddressSpace(
           Target->getOpenCLTypeAddrSpace(getOpenCLTypeKind(T)));
       Width = Target->getPointerWidth(AS);
@@ -6464,6 +6471,9 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
     case BuiltinType::Id:
 #include "clang/Basic/OpenCLImageTypes.def"
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+    case BuiltinType::Id:
+#include "clang/Basic/OpenCLExtensionTypes.def"
     case BuiltinType::OCLEvent:
     case BuiltinType::OCLClkEvent:
     case BuiltinType::OCLQueue:
Index: include/clang/module.modulemap
===================================================================
--- include/clang/module.modulemap
+++ include/clang/module.modulemap
@@ -52,6 +52,7 @@
   textual header "Basic/LangOptions.def"
   textual header "Basic/OpenCLExtensions.def"
   textual header "Basic/OpenCLImageTypes.def"
+  textual header "Basic/OpenCLExtensionTypes.def"
   textual header "Basic/OpenMPKinds.def"
   textual header "Basic/OperatorKinds.def"
   textual header "Basic/Sanitizers.def"
Index: include/clang/Serialization/ASTBitCodes.h
===================================================================
--- include/clang/Serialization/ASTBitCodes.h
+++ include/clang/Serialization/ASTBitCodes.h
@@ -1015,6 +1015,10 @@
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
       PREDEF_TYPE_##Id##_ID,
 #include "clang/Basic/OpenCLImageTypes.def"
+      /// \brief OpenCL extension types with auto numeration
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+      PREDEF_TYPE_##Id##_ID,
+#include "clang/Basic/OpenCLExtensionTypes.def"
     };
 
     /// The number of predefined type IDs that are reserved for
Index: include/clang/Sema/Initialization.h
===================================================================
--- include/clang/Sema/Initialization.h
+++ include/clang/Sema/Initialization.h
@@ -897,7 +897,11 @@
     SK_OCLZeroQueue,
 
     /// Passing zero to a function where OpenCL event_t is expected.
-    SK_OCLZeroEvent
+    SK_OCLZeroEvent,
+
+    /// Initialize by zero types defined in the
+    /// cl_intel_device_side_avc_motion_estimation OpenCL extension
+    SK_OCLIntelSubgroupAVCZeroInit
   };
 
   /// A single step in the initialization sequence.
@@ -1341,6 +1345,10 @@
   /// Add a step to initialize an OpenCL queue_t from 0.
   void AddOCLZeroQueueStep(QualType T);
 
+  /// Add a step to initialize by zero types defined in the
+  /// cl_intel_device_side_avc_motion_estimation OpenCL extension
+  void AddOCLIntelSubgroupAVCZeroInitStep(QualType T);
+
   /// Add steps to unwrap a initializer list for a reference around a
   /// single element and rewrap it at the end.
   void RewrapReferenceInitList(QualType T, InitListExpr *Syntactic);
Index: include/clang/Basic/OpenCLExtensions.def
===================================================================
--- include/clang/Basic/OpenCLExtensions.def
+++ include/clang/Basic/OpenCLExtensions.def
@@ -85,6 +85,7 @@
 // Intel OpenCL extensions
 OPENCLEXT_INTERNAL(cl_intel_subgroups, 120, ~0U)
 OPENCLEXT_INTERNAL(cl_intel_subgroups_short, 120, ~0U)
+OPENCLEXT_INTERNAL(cl_intel_device_side_avc_motion_estimation, 120, ~0U)
 
 #undef OPENCLEXT_INTERNAL
 
Index: include/clang/Basic/OpenCLExtensionTypes.def
===================================================================
--- /dev/null
+++ include/clang/Basic/OpenCLExtensionTypes.def
@@ -0,0 +1,41 @@
+//===-- OpenCLExtensionTypes.def - Metadata about BuiltinTypes ------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//  This file extends builtin types database with OpenCL extension types.
+//  Custom code should define this macro:
+//    EXT_OPAQUE_TYPE(Name, Id, Ext)
+
+#ifdef EXT_OPAQUE_TYPE
+
+#ifndef INTEL_SUBGROUP_AVC_TYPE
+#define INTEL_SUBGROUP_AVC_TYPE(Name, Id) \
+  EXT_OPAQUE_TYPE(intel_sub_group_avc_##Name, OCLIntelSubgroupAVC##Id, \
+    cl_intel_device_side_avc_motion_estimation)
+#endif
+
+#endif
+
+#ifdef INTEL_SUBGROUP_AVC_TYPE
+INTEL_SUBGROUP_AVC_TYPE(mce_payload_t, McePayload)
+INTEL_SUBGROUP_AVC_TYPE(ime_payload_t, ImePayload)
+INTEL_SUBGROUP_AVC_TYPE(ref_payload_t, RefPayload)
+INTEL_SUBGROUP_AVC_TYPE(sic_payload_t, SicPayload)
+INTEL_SUBGROUP_AVC_TYPE(mce_result_t, MceResult)
+INTEL_SUBGROUP_AVC_TYPE(ime_result_t, ImeResult)
+INTEL_SUBGROUP_AVC_TYPE(ref_result_t, RefResult)
+INTEL_SUBGROUP_AVC_TYPE(sic_result_t, SicResult)
+INTEL_SUBGROUP_AVC_TYPE(ime_result_single_reference_streamout_t, ImeResultSingleRefStreamout)
+INTEL_SUBGROUP_AVC_TYPE(ime_result_dual_reference_streamout_t, ImeResultDualRefStreamout)
+INTEL_SUBGROUP_AVC_TYPE(ime_single_reference_streamin_t, ImeSingleRefStreamin)
+INTEL_SUBGROUP_AVC_TYPE(ime_dual_reference_streamin_t, ImeDualRefStreamin)
+
+#undef INTEL_SUBGROUP_AVC_TYPE
+#endif // INTEL_SUBGROUP_AVC_TYPE
+
+#undef EXT_OPAQUE_TYPE
+
Index: include/clang/AST/Type.h
===================================================================
--- include/clang/AST/Type.h
+++ include/clang/AST/Type.h
@@ -2046,6 +2046,13 @@
   bool isQueueT() const;                        // OpenCL queue_t
   bool isReserveIDT() const;                    // OpenCL reserve_id_t
 
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  bool is##Id##Type() const;
+#include "clang/Basic/OpenCLExtensionTypes.def"
+  // Type defined in cl_intel_device_side_avc_motion_estimation OpenCL extension
+  bool isOCLIntelSubgroupAVCType() const;
+  bool isOCLExtOpaqueType() const;              // Any OpenCL extension type
+
   bool isPipeType() const;                      // OpenCL pipe type
   bool isOpenCLSpecificType() const;            // Any OpenCL specific type
 
@@ -2392,6 +2399,9 @@
 // OpenCL image types
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) Id,
 #include "clang/Basic/OpenCLImageTypes.def"
+// OpenCL extension types
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) Id,
+#include "clang/Basic/OpenCLExtensionTypes.def"
 // All other builtin types
 #define BUILTIN_TYPE(Id, SingletonId) Id,
 #define LAST_BUILTIN_TYPE(Id) LastKind = Id
@@ -6451,9 +6461,30 @@
   return isa<PipeType>(CanonicalType);
 }
 
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  inline bool Type::is##Id##Type() const { \
+    return isSpecificBuiltinType(BuiltinType::Id); \
+  }
+#include "clang/Basic/OpenCLExtensionTypes.def"
+
+inline bool Type::isOCLIntelSubgroupAVCType() const {
+#define INTEL_SUBGROUP_AVC_TYPE(ExtType, Id) \
+  isOCLIntelSubgroupAVC##Id##Type() ||
+  return
+#include "clang/Basic/OpenCLExtensionTypes.def"
+    false; // end of boolean or operation
+}
+
+inline bool Type::isOCLExtOpaqueType() const {
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) is##Id##Type() ||
+  return
+#include "clang/Basic/OpenCLExtensionTypes.def"
+    false; // end of boolean or operation
+}
+
 inline bool Type::isOpenCLSpecificType() const {
   return isSamplerT() || isEventT() || isImageType() || isClkEventT() ||
-         isQueueT() || isReserveIDT() || isPipeType();
+         isQueueT() || isReserveIDT() || isPipeType() || isOCLExtOpaqueType();
 }
 
 inline bool Type::isTemplateTypeParmType() const {
Index: include/clang/AST/OperationKinds.def
===================================================================
--- include/clang/AST/OperationKinds.def
+++ include/clang/AST/OperationKinds.def
@@ -330,6 +330,11 @@
 // Convert an integer initializer to an OpenCL sampler.
 CAST_OPERATION(IntToOCLSampler)
 
+// Convert a zero value to opaque data types defined in the
+// cl_intel_device_sie_avc_motion_estimation OpenCL extension.
+//   intel_sub_group_avc_ime_payload_t = 0x0;
+CAST_OPERATION(ZeroToOCLIntelSubgroupAVCType)
+
 //===- Binary Operations  -------------------------------------------------===//
 // Operators listed in order of precedence.
 // Note that additions to this should also update the StmtVisitor class and
Index: include/clang/AST/ASTContext.h
===================================================================
--- include/clang/AST/ASTContext.h
+++ include/clang/AST/ASTContext.h
@@ -1062,6 +1062,9 @@
   CanQualType OCLSamplerTy, OCLEventTy, OCLClkEventTy;
   CanQualType OCLQueueTy, OCLReserveIDTy;
   CanQualType OMPArraySectionTy;
+#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
+  CanQualType Id##Ty;
+#include "clang/Basic/OpenCLExtensionTypes.def"
 
   // Types for deductions in C++0x [stmt.ranged]'s desugaring. Built on demand.
   mutable QualType AutoDeductTy;     // Deduction against 'auto'.
Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -3297,7 +3297,21 @@
 
   CXType_ObjCObject = 161,
   CXType_ObjCTypeParam = 162,
-  CXType_Attributed = 163
+  CXType_Attributed = 163,
+
+  CXType_OCLIntelSubgroupAVCMcePayload = 164,
+  CXType_OCLIntelSubgroupAVCImePayload = 165,
+  CXType_OCLIntelSubgroupAVCRefPayload = 166,
+  CXType_OCLIntelSubgroupAVCSicPayload = 167,
+  CXType_OCLIntelSubgroupAVCMceResult = 168,
+  CXType_OCLIntelSubgroupAVCImeResult = 169,
+  CXType_OCLIntelSubgroupAVCRefResult = 170,
+  CXType_OCLIntelSubgroupAVCSicResult = 171,
+  CXType_OCLIntelSubgroupAVCImeResultSingleRefStreamout = 172,
+  CXType_OCLIntelSubgroupAVCImeResultDualRefStreamout = 173,
+  CXType_OCLIntelSubgroupAVCImeSingleRefStreamin = 174,
+
+  CXType_OCLIntelSubgroupAVCImeDualRefStreamin = 175
 };
 
 /**

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