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📁 ..
📄 ABIInfo.h(5.01 KB)
📄 Address.h(3.28 KB)
📄 BackendUtil.cpp(67.92 KB)
📄 CGAtomic.cpp(85.95 KB)
📄 CGBlocks.cpp(111.14 KB)
📄 CGBlocks.h(8.94 KB)
📄 CGBuilder.h(13.78 KB)
📄 CGBuiltin.cpp(695.8 KB)
📄 CGCUDANV.cpp(35.16 KB)
📄 CGCUDARuntime.cpp(1.53 KB)
📄 CGCUDARuntime.h(3.4 KB)
📄 CGCXX.cpp(11.8 KB)
📄 CGCXXABI.cpp(12.47 KB)
📄 CGCXXABI.h(27.9 KB)
📄 CGCall.cpp(197.3 KB)
📄 CGCall.h(11.62 KB)
📄 CGClass.cpp(113.54 KB)
📄 CGCleanup.cpp(46.97 KB)
📄 CGCleanup.h(19.28 KB)
📄 CGCoroutine.cpp(27.82 KB)
📄 CGDebugInfo.cpp(191.42 KB)
📄 CGDebugInfo.h(34.73 KB)
📄 CGDecl.cpp(97.98 KB)
📄 CGDeclCXX.cpp(34.73 KB)
📄 CGException.cpp(80.38 KB)
📄 CGExpr.cpp(209.78 KB)
📄 CGExprAgg.cpp(77.04 KB)
📄 CGExprCXX.cpp(90.39 KB)
📄 CGExprComplex.cpp(44.9 KB)
📄 CGExprConstant.cpp(86.17 KB)
📄 CGExprScalar.cpp(196.29 KB)
📄 CGGPUBuiltin.cpp(6.17 KB)
📄 CGLoopInfo.cpp(29.17 KB)
📄 CGLoopInfo.h(10.5 KB)
📄 CGNonTrivialStruct.cpp(41.4 KB)
📄 CGObjC.cpp(142.79 KB)
📄 CGObjCGNU.cpp(168.38 KB)
📄 CGObjCMac.cpp(304.84 KB)
📄 CGObjCRuntime.cpp(14.68 KB)
📄 CGObjCRuntime.h(14.81 KB)
📄 CGOpenCLRuntime.cpp(7.08 KB)
📄 CGOpenCLRuntime.h(3.44 KB)
📄 CGOpenMPRuntime.cpp(501.86 KB)
📄 CGOpenMPRuntime.h(111.87 KB)
📄 CGOpenMPRuntimeNVPTX.cpp(215.42 KB)
📄 CGOpenMPRuntimeNVPTX.h(22.59 KB)
📄 CGRecordLayout.h(7.84 KB)
📄 CGRecordLayoutBuilder.cpp(38.24 KB)
📄 CGStmt.cpp(92.92 KB)
📄 CGStmtOpenMP.cpp(278.04 KB)
📄 CGVTT.cpp(6.81 KB)
📄 CGVTables.cpp(55.02 KB)
📄 CGVTables.h(6.38 KB)
📄 CGValue.h(21.24 KB)
📄 CodeGenABITypes.cpp(5 KB)
📄 CodeGenAction.cpp(46.2 KB)
📄 CodeGenFunction.cpp(95.34 KB)
📄 CodeGenFunction.h(200.94 KB)
📄 CodeGenModule.cpp(228.13 KB)
📄 CodeGenModule.h(60.91 KB)
📄 CodeGenPGO.cpp(36.17 KB)
📄 CodeGenPGO.h(4.36 KB)
📄 CodeGenTBAA.cpp(16.92 KB)
📄 CodeGenTBAA.h(9.19 KB)
📄 CodeGenTypeCache.h(3.28 KB)
📄 CodeGenTypes.cpp(32.35 KB)
📄 CodeGenTypes.h(13.42 KB)
📄 ConstantEmitter.h(6.65 KB)
📄 ConstantInitBuilder.cpp(10.29 KB)
📄 CoverageMappingGen.cpp(54.64 KB)
📄 CoverageMappingGen.h(4.04 KB)
📄 EHScopeStack.h(14.38 KB)
📄 ItaniumCXXABI.cpp(176.66 KB)
📄 MacroPPCallbacks.cpp(6.41 KB)
📄 MacroPPCallbacks.h(4.54 KB)
📄 MicrosoftCXXABI.cpp(175.41 KB)
📄 ModuleBuilder.cpp(11.79 KB)
📄 ObjectFilePCHContainerOperations.cpp(12.93 KB)
📄 PatternInit.cpp(4.1 KB)
📄 PatternInit.h(722 B)
📄 SanitizerMetadata.cpp(4.21 KB)
📄 SanitizerMetadata.h(1.63 KB)
📄 SwiftCallingConv.cpp(29.76 KB)
📄 TargetInfo.cpp(403.11 KB)
📄 TargetInfo.h(15.43 KB)
📄 VarBypassDetector.cpp(5.1 KB)
📄 VarBypassDetector.h(2.29 KB)

Editing: CGOpenCLRuntime.cpp

//===----- CGOpenCLRuntime.cpp - Interface to OpenCL Runtimes -------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This provides an abstract class for OpenCL code generation.  Concrete
// subclasses of this implement code generation for specific OpenCL
// runtime libraries.
//
//===----------------------------------------------------------------------===//

#include "CGOpenCLRuntime.h"
#include "CodeGenFunction.h"
#include "TargetInfo.h"
#include "clang/CodeGen/ConstantInitBuilder.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalValue.h"
#include <assert.h>

using namespace clang;
using namespace CodeGen;

CGOpenCLRuntime::~CGOpenCLRuntime() {}

void CGOpenCLRuntime::EmitWorkGroupLocalVarDecl(CodeGenFunction &CGF,
                                                const VarDecl &D) {
  return CGF.EmitStaticVarDecl(D, llvm::GlobalValue::InternalLinkage);
}

llvm::Type *CGOpenCLRuntime::convertOpenCLSpecificType(const Type *T) {
  assert(T->isOpenCLSpecificType() &&
         "Not an OpenCL specific type!");

llvm::LLVMContext& Ctx = CGM.getLLVMContext();
  uint32_t AddrSpc = CGM.getContext().getTargetAddressSpace(
      CGM.getContext().getOpenCLTypeAddrSpace(T));
  switch (cast<BuiltinType>(T)->getKind()) {
  default:
    llvm_unreachable("Unexpected opencl builtin type!");
    return nullptr;
#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
  case BuiltinType::Id: \
    return llvm::PointerType::get( \
        llvm::StructType::create(Ctx, "opencl." #ImgType "_" #Suffix "_t"), \
        AddrSpc);
#include "clang/Basic/OpenCLImageTypes.def"
  case BuiltinType::OCLSampler:
    return getSamplerType(T);
  case BuiltinType::OCLEvent:
    return llvm::PointerType::get(
        llvm::StructType::create(Ctx, "opencl.event_t"), AddrSpc);
  case BuiltinType::OCLClkEvent:
    return llvm::PointerType::get(
        llvm::StructType::create(Ctx, "opencl.clk_event_t"), AddrSpc);
  case BuiltinType::OCLQueue:
    return llvm::PointerType::get(
        llvm::StructType::create(Ctx, "opencl.queue_t"), AddrSpc);
  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"
  }
}

llvm::Type *CGOpenCLRuntime::getPipeType(const PipeType *T) {
  if (T->isReadOnly())
    return getPipeType(T, "opencl.pipe_ro_t", PipeROTy);
  else
    return getPipeType(T, "opencl.pipe_wo_t", PipeWOTy);
}

llvm::Type *CGOpenCLRuntime::getPipeType(const PipeType *T, StringRef Name,
                                         llvm::Type *&PipeTy) {
  if (!PipeTy)
    PipeTy = llvm::PointerType::get(llvm::StructType::create(
      CGM.getLLVMContext(), Name),
      CGM.getContext().getTargetAddressSpace(
          CGM.getContext().getOpenCLTypeAddrSpace(T)));
  return PipeTy;
}

llvm::PointerType *CGOpenCLRuntime::getSamplerType(const Type *T) {
  if (!SamplerTy)
    SamplerTy = llvm::PointerType::get(llvm::StructType::create(
      CGM.getLLVMContext(), "opencl.sampler_t"),
      CGM.getContext().getTargetAddressSpace(
          CGM.getContext().getOpenCLTypeAddrSpace(T)));
  return SamplerTy;
}

llvm::Value *CGOpenCLRuntime::getPipeElemSize(const Expr *PipeArg) {
  const PipeType *PipeTy = PipeArg->getType()->castAs<PipeType>();
  // The type of the last (implicit) argument to be passed.
  llvm::Type *Int32Ty = llvm::IntegerType::getInt32Ty(CGM.getLLVMContext());
  unsigned TypeSize = CGM.getContext()
                          .getTypeSizeInChars(PipeTy->getElementType())
                          .getQuantity();
  return llvm::ConstantInt::get(Int32Ty, TypeSize, false);
}

llvm::Value *CGOpenCLRuntime::getPipeElemAlign(const Expr *PipeArg) {
  const PipeType *PipeTy = PipeArg->getType()->castAs<PipeType>();
  // The type of the last (implicit) argument to be passed.
  llvm::Type *Int32Ty = llvm::IntegerType::getInt32Ty(CGM.getLLVMContext());
  unsigned TypeSize = CGM.getContext()
                          .getTypeAlignInChars(PipeTy->getElementType())
                          .getQuantity();
  return llvm::ConstantInt::get(Int32Ty, TypeSize, false);
}

llvm::PointerType *CGOpenCLRuntime::getGenericVoidPointerType() {
  assert(CGM.getLangOpts().OpenCL);
  return llvm::IntegerType::getInt8PtrTy(
      CGM.getLLVMContext(),
      CGM.getContext().getTargetAddressSpace(LangAS::opencl_generic));
}

// Get the block literal from an expression derived from the block expression.
// OpenCL v2.0 s6.12.5:
// Block variable declarations are implicitly qualified with const. Therefore
// all block variables must be initialized at declaration time and may not be
// reassigned.
static const BlockExpr *getBlockExpr(const Expr *E) {
  const Expr *Prev = nullptr; // to make sure we do not stuck in infinite loop.
  while(!isa<BlockExpr>(E) && E != Prev) {
    Prev = E;
    E = E->IgnoreCasts();
    if (auto DR = dyn_cast<DeclRefExpr>(E)) {
      E = cast<VarDecl>(DR->getDecl())->getInit();
    }
  }
  return cast<BlockExpr>(E);
}

/// Record emitted llvm invoke function and llvm block literal for the
/// corresponding block expression.
void CGOpenCLRuntime::recordBlockInfo(const BlockExpr *E,
                                      llvm::Function *InvokeF,
                                      llvm::Value *Block) {
  assert(EnqueuedBlockMap.find(E) == EnqueuedBlockMap.end() &&
         "Block expression emitted twice");
  assert(isa<llvm::Function>(InvokeF) && "Invalid invoke function");
  assert(Block->getType()->isPointerTy() && "Invalid block literal type");
  EnqueuedBlockMap[E].InvokeFunc = InvokeF;
  EnqueuedBlockMap[E].BlockArg = Block;
  EnqueuedBlockMap[E].Kernel = nullptr;
}

llvm::Function *CGOpenCLRuntime::getInvokeFunction(const Expr *E) {
  return EnqueuedBlockMap[getBlockExpr(E)].InvokeFunc;
}

CGOpenCLRuntime::EnqueuedBlockInfo
CGOpenCLRuntime::emitOpenCLEnqueuedBlock(CodeGenFunction &CGF, const Expr *E) {
  CGF.EmitScalarExpr(E);

// The block literal may be assigned to a const variable. Chasing down
  // to get the block literal.
  const BlockExpr *Block = getBlockExpr(E);

assert(EnqueuedBlockMap.find(Block) != EnqueuedBlockMap.end() &&
         "Block expression not emitted");

// Do not emit the block wrapper again if it has been emitted.
  if (EnqueuedBlockMap[Block].Kernel) {
    return EnqueuedBlockMap[Block];
  }

auto *F = CGF.getTargetHooks().createEnqueuedBlockKernel(
      CGF, EnqueuedBlockMap[Block].InvokeFunc,
      EnqueuedBlockMap[Block].BlockArg->stripPointerCasts());

// The common part of the post-processing of the kernel goes here.
  F->addFnAttr(llvm::Attribute::NoUnwind);
  F->setCallingConv(
      CGF.getTypes().ClangCallConvToLLVMCallConv(CallingConv::CC_OpenCLKernel));
  EnqueuedBlockMap[Block].Kernel = F;
  return EnqueuedBlockMap[Block];
}

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Editing: CGOpenCLRuntime.cpp

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