[Backport to llvm_release_190] Remove SPV_INTEL_fast_composite extension (KhronosGroup#3224)

Backport of PR KhronosGroup#3183 into `llvm_release_190`.

All commits applied cleanly.

Co-authored-by: Vadim Semenov <sematom@gmail.com>

Author: github-actions[bot]

include/LLVMSPIRVExtensions.inc

@@ -34,7 +34,7 @@ EXT(SPV_INTEL_arbitrary_precision_integers)
 EXT(SPV_INTEL_optimization_hints)
 EXT(SPV_INTEL_float_controls2)
 EXT(SPV_INTEL_vector_compute)
-EXT(SPV_INTEL_fast_composite)
+EXT(SPV_INTEL_fast_composite) // TODO: to remove
 EXT(SPV_INTEL_usm_storage_classes)
 EXT(SPV_INTEL_fpga_buffer_location)
 EXT(SPV_INTEL_arbitrary_precision_fixed_point)

lib/SPIRV/PreprocessMetadata.cpp

@@ -380,12 +380,6 @@ void PreprocessMetadataBase::preprocessVectorComputeMetadata(Module *M,
           .add(SLMSize)
           .done();
     }
-    if (Attrs.hasFnAttr(kVCMetadata::VCFCEntry)) {
-      EM.addOp()
-          .add(&F)
-          .add(spv::internal::ExecutionModeFastCompositeKernelINTEL)
-          .done();
-    }
 
     if (Attrs.hasFnAttr(kVCMetadata::VCNamedBarrierCount)) {
       SPIRVWord NBarrierCnt = 0;

lib/SPIRV/SPIRVReader.cpp

@@ -4465,12 +4465,6 @@ bool SPIRVToLLVM::transMetadata() {
     if (BM->getDesiredBIsRepresentation() == BIsRepresentation::SPIRVFriendlyIR)
       transFunctionDecorationsToMetadata(BF, F);
 
-    if (BF->hasDecorate(internal::DecorationCallableFunctionINTEL))
-      F->addFnAttr(kVCMetadata::VCCallable);
-    if (isKernel(BF) &&
-        BF->getExecutionMode(internal::ExecutionModeFastCompositeKernelINTEL))
-      F->addFnAttr(kVCMetadata::VCFCEntry);
-
     if (F->getCallingConv() != CallingConv::SPIR_KERNEL)
       continue;
 

lib/SPIRV/SPIRVWriter.cpp

@@ -993,11 +993,6 @@ SPIRVFunction *LLVMToSPIRVBase::transFunctionDecl(Function *F) {
     BF->addDecorate(DecorationReferencedIndirectlyINTEL);
   }
 
-  if (Attrs.hasFnAttr(kVCMetadata::VCCallable) &&
-      BM->isAllowedToUseExtension(ExtensionID::SPV_INTEL_fast_composite)) {
-    BF->addDecorate(internal::DecorationCallableFunctionINTEL);
-  }
-
   if (BM->isAllowedToUseExtension(ExtensionID::SPV_INTEL_vector_compute))
     transVectorComputeMetadata(F);
 
@@ -6083,11 +6078,6 @@ bool LLVMToSPIRVBase::transExecutionMode() {
           break;
         AddSingleArgExecutionMode(static_cast<ExecutionMode>(EMode));
       } break;
-      case spv::internal::ExecutionModeFastCompositeKernelINTEL: {
-        if (BM->isAllowedToUseExtension(ExtensionID::SPV_INTEL_fast_composite))
-          BF->addExecutionMode(BM->add(new SPIRVExecutionMode(
-              OpExecutionMode, BF, static_cast<ExecutionMode>(EMode))));
-      } break;
       case spv::internal::ExecutionModeNamedSubgroupSizeINTEL: {
         if (!BM->isAllowedToUseExtension(
                 ExtensionID::SPV_INTEL_subgroup_requirements))

lib/SPIRV/libSPIRV/SPIRVDecorate.h

@@ -182,8 +182,6 @@ class SPIRVDecorate : public SPIRVDecorateGeneric {
       return ExtensionID::SPV_INTEL_fpga_cluster_attributes;
     case DecorationFuseLoopsInFunctionINTEL:
       return ExtensionID::SPV_INTEL_loop_fuse;
-    case internal::DecorationCallableFunctionINTEL:
-      return ExtensionID::SPV_INTEL_fast_composite;
     case DecorationMathOpDSPModeINTEL:
       return ExtensionID::SPV_INTEL_fpga_dsp_control;
     case DecorationInitiationIntervalINTEL:

lib/SPIRV/libSPIRV/SPIRVEntry.h

@@ -907,8 +907,6 @@ class SPIRVCapability : public SPIRVEntryNoId<OpCapability> {
     case CapabilityVectorComputeINTEL:
     case CapabilityVectorAnyINTEL:
       return ExtensionID::SPV_INTEL_vector_compute;
-    case internal::CapabilityFastCompositeINTEL:
-      return ExtensionID::SPV_INTEL_fast_composite;
     case internal::CapabilitySubgroupRequirementsINTEL:
       return ExtensionID::SPV_INTEL_subgroup_requirements;
     case CapabilityFPFastMathModeINTEL:

lib/SPIRV/libSPIRV/SPIRVEnum.h

@@ -286,8 +286,6 @@ template <> inline void SPIRVMap<SPIRVExecutionModeKind, SPIRVCapVec>::init() {
                {CapabilityFloatingPointModeINTEL});
   ADD_VEC_INIT(ExecutionModeSharedLocalMemorySizeINTEL,
                {CapabilityVectorComputeINTEL});
-  ADD_VEC_INIT(internal::ExecutionModeFastCompositeKernelINTEL,
-               {internal::CapabilityFastCompositeINTEL});
   ADD_VEC_INIT(ExecutionModeRegisterMapInterfaceINTEL,
                {CapabilityFPGAKernelAttributesv2INTEL});
   ADD_VEC_INIT(ExecutionModeStreamingInterfaceINTEL,
@@ -469,8 +467,6 @@ template <> inline void SPIRVMap<Decoration, SPIRVCapVec>::init() {
   ADD_VEC_INIT(DecorationAliasScopeINTEL,
                {CapabilityMemoryAccessAliasingINTEL});
   ADD_VEC_INIT(DecorationNoAliasINTEL, {CapabilityMemoryAccessAliasingINTEL});
-  ADD_VEC_INIT(internal::DecorationCallableFunctionINTEL,
-               {internal::CapabilityFastCompositeINTEL});
   ADD_VEC_INIT(DecorationMediaBlockIOINTEL, {CapabilityVectorComputeINTEL});
   ADD_VEC_INIT(DecorationStallEnableINTEL,
                {CapabilityFPGAClusterAttributesINTEL});

lib/SPIRV/libSPIRV/SPIRVNameMapEnum.h

@@ -212,7 +212,6 @@ template <> inline void SPIRVMap<Decoration, std::string>::init() {
   add(DecorationCacheControlStoreINTEL, "CacheControlStoreINTEL");
 
   // From spirv_internal.hpp
-  add(internal::DecorationCallableFunctionINTEL, "CallableFunctionINTEL");
   add(internal::DecorationRuntimeAlignedINTEL, "RuntimeAlignedINTEL");
   add(internal::DecorationHostAccessINTEL, "HostAccessINTEL");
   add(internal::DecorationInitModeINTEL, "InitModeINTEL");
@@ -651,7 +650,6 @@ template <> inline void SPIRVMap<Capability, std::string>::init() {
       "SubgroupMatrixMultiplyAccumulateINTEL");
   add(CapabilityTernaryBitwiseFunctionINTEL, "TernaryBitwiseFunctionINTEL");
   // From spirv_internal.hpp
-  add(internal::CapabilityFastCompositeINTEL, "FastCompositeINTEL");
   add(internal::CapabilityTokenTypeINTEL, "TokenTypeINTEL");
   add(internal::CapabilityBfloat16ConversionINTEL, "Bfloat16ConversionINTEL");
   add(internal::CapabilityJointMatrixINTEL, "JointMatrixINTEL");

lib/SPIRV/libSPIRV/spirv_internal.hpp

@@ -103,7 +103,6 @@ enum InternalDecoration {
 };
 
 enum InternalCapability {
-  ICapFastCompositeINTEL = 6093,
   ICapTokenTypeINTEL = 6112,
   ICapBfloat16ConversionINTEL = 6115,
   ICapabilityJointMatrixINTEL = 6118,
@@ -126,7 +125,6 @@ enum InternalCapability {
 };
 
 enum InternalExecutionMode {
-  IExecModeFastCompositeKernelINTEL = 6088,
   IExecModeNamedSubgroupSizeINTEL = 6446,
 };
 
@@ -260,8 +258,6 @@ constexpr Op OpTypeTokenINTEL = static_cast<Op>(IOpTypeTokenINTEL);
 constexpr Op OpConvertFToBF16INTEL = static_cast<Op>(IOpConvertFToBF16INTEL);
 constexpr Op OpConvertBF16ToFINTEL = static_cast<Op>(IOpConvertBF16ToFINTEL);
 
-constexpr Decoration DecorationCallableFunctionINTEL =
-    static_cast<Decoration>(IDecCallableFunctionINTEL);
 constexpr Decoration DecorationRuntimeAlignedINTEL =
     static_cast<Decoration>(IDecRuntimeAlignedINTEL);
 constexpr Decoration DecorationHostAccessINTEL =
@@ -273,18 +269,13 @@ constexpr Decoration DecorationImplementInCSRINTEL =
 constexpr Decoration DecorationArgumentAttributeINTEL =
     static_cast<Decoration>(IDecArgumentAttributeINTEL);
 
-constexpr Capability CapabilityFastCompositeINTEL =
-    static_cast<Capability>(ICapFastCompositeINTEL);
 constexpr Capability CapabilityTokenTypeINTEL =
     static_cast<Capability>(ICapTokenTypeINTEL);
 constexpr Capability CapabilityBfloat16ConversionINTEL =
     static_cast<Capability>(ICapBfloat16ConversionINTEL);
 constexpr Capability CapabilityGlobalVariableDecorationsINTEL =
     static_cast<Capability>(ICapGlobalVariableDecorationsINTEL);
 
-constexpr ExecutionMode ExecutionModeFastCompositeKernelINTEL =
-    static_cast<ExecutionMode>(IExecModeFastCompositeKernelINTEL);
-
 constexpr ExecutionMode ExecutionModeNamedSubgroupSizeINTEL =
     static_cast<ExecutionMode>(IExecModeNamedSubgroupSizeINTEL);