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CodeGenerator.h File Reference
#include <llvm/IR/Value.h>
#include "../Analyzer/Analyzer.h"
#include "Execute.h"
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Classes

class  CodeGenerator
 
struct  CodeGenerator::GPUTarget
 
struct  CodeGenerator::ExecutorRequired
 
struct  CodeGenerator::NullCheckCodegen
 
struct  CodeGenerator::ArgNullcheckBBs
 
class  ScalarCodeGenerator
 
struct  ScalarCodeGenerator::CompiledExpression
 

Functions

std::unique_ptr< llvm::Module > runtime_module_shallow_copy (CgenState *cgen_state)
 
std::vector< llvm::Value * > generate_column_heads_load (const int num_columns, llvm::Value *byte_stream_arg, llvm::IRBuilder<> &ir_builder, llvm::LLVMContext &ctx)
 

Function Documentation

std::vector<llvm::Value*> generate_column_heads_load ( const int  num_columns,
llvm::Value *  byte_stream_arg,
llvm::IRBuilder<> &  ir_builder,
llvm::LLVMContext &  ctx 
)

Loads individual columns from a single, packed pointers buffer (the byte stream arg)

Definition at line 3193 of file NativeCodegen.cpp.

Referenced by TableFunctionCompilationContext::generateEntryPoint().

3196  {
3197  CHECK(byte_stream_arg);
3198  const auto max_col_local_id = num_columns - 1;
3199 
3200  std::vector<llvm::Value*> col_heads;
3201  for (int col_id = 0; col_id <= max_col_local_id; ++col_id) {
3202  col_heads.emplace_back(ir_builder.CreateLoad(ir_builder.CreateGEP(
3203  byte_stream_arg, llvm::ConstantInt::get(llvm::Type::getInt32Ty(ctx), col_id))));
3204  }
3205  return col_heads;
3206 }
#define CHECK(condition)
Definition: Logger.h:209

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std::unique_ptr<llvm::Module> runtime_module_shallow_copy ( CgenState cgen_state)

Makes a shallow copy (just declarations) of the runtime module. Function definitions are cloned only if they're used from the generated code.

Definition at line 3181 of file NativeCodegen.cpp.

Referenced by ResultSetReductionJIT::codegen(), GpuReductionHelperJIT::codegen(), StubGenerator::generateStub(), and TableFunctionCompilationContext::TableFunctionCompilationContext().

3181  {
3182  return llvm::CloneModule(
3183  *g_rt_module.get(), cgen_state->vmap_, [](const llvm::GlobalValue* gv) {
3184  auto func = llvm::dyn_cast<llvm::Function>(gv);
3185  if (!func) {
3186  return true;
3187  }
3188  return (func->getLinkage() == llvm::GlobalValue::LinkageTypes::PrivateLinkage ||
3189  func->getLinkage() == llvm::GlobalValue::LinkageTypes::InternalLinkage);
3190  });
3191 }
std::unique_ptr< llvm::Module > g_rt_module
llvm::ValueToValueMapTy vmap_
Definition: CgenState.h:339

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