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TargetExprCodegen Struct Reference

#include <TargetExprBuilder.h>

+ Collaboration diagram for TargetExprCodegen:

Public Member Functions

 TargetExprCodegen (const Analyzer::Expr *target_expr, TargetInfo &target_info, const int32_t base_slot_index, const size_t target_idx, const bool is_group_by)
 
void codegen (GroupByAndAggregate *group_by_and_agg, Executor *executor, const QueryMemoryDescriptor &query_mem_desc, const CompilationOptions &co, const std::tuple< llvm::Value *, llvm::Value * > &agg_out_ptr_w_idx, const std::vector< llvm::Value * > &agg_out_vec, llvm::Value *output_buffer_byte_stream, llvm::Value *out_row_idx, GroupByAndAggregate::DiamondCodegen &diamond_codegen, GroupByAndAggregate::DiamondCodegen *sample_cfg=nullptr) const
 

Public Attributes

const Analyzer::Exprtarget_expr
 
TargetInfo target_info
 
int32_t base_slot_index
 
size_t target_idx
 
bool is_group_by
 

Detailed Description

Definition at line 33 of file TargetExprBuilder.h.

Constructor & Destructor Documentation

TargetExprCodegen::TargetExprCodegen ( const Analyzer::Expr target_expr,
TargetInfo target_info,
const int32_t  base_slot_index,
const size_t  target_idx,
const bool  is_group_by 
)
inline

Definition at line 34 of file TargetExprBuilder.h.

39  : target_expr(target_expr)
40  , target_info(target_info)
const Analyzer::Expr * target_expr

Member Function Documentation

void TargetExprCodegen::codegen ( GroupByAndAggregate group_by_and_agg,
Executor executor,
const QueryMemoryDescriptor query_mem_desc,
const CompilationOptions co,
const std::tuple< llvm::Value *, llvm::Value * > &  agg_out_ptr_w_idx,
const std::vector< llvm::Value * > &  agg_out_vec,
llvm::Value *  output_buffer_byte_stream,
llvm::Value *  out_row_idx,
GroupByAndAggregate::DiamondCodegen diamond_codegen,
GroupByAndAggregate::DiamondCodegen sample_cfg = nullptr 
) const

Definition at line 83 of file TargetExprBuilder.cpp.

References agg_arg(), TargetInfo::agg_arg_type, anonymous_namespace{TargetExprBuilder.cpp}::agg_fn_base_names(), TargetInfo::agg_kind, base_slot_index, CHECK(), CHECK_EQ, CHECK_GE, GroupByAndAggregate::checkErrorCode(), GroupByAndAggregate::codegenAggArg(), GroupByAndAggregate::codegenAggColumnPtr(), GroupByAndAggregate::codegenCountDistinct(), GroupByAndAggregate::codegenWindowRowPointer(), GroupByAndAggregate::convertNullIfAny(), CompilationOptions::device_type_, QueryMemoryDescriptor::didOutputColumnar(), GroupByAndAggregate::emitCall(), g_bigint_count, get_compact_type(), get_int_type(), SQLTypeInfoCore< TYPE_FACET_PACK >::get_physical_coord_cols(), SQLTypeInfoCore< TYPE_FACET_PACK >::get_type(), WindowProjectNodeContext::getActiveWindowFunctionContext(), QueryMemoryDescriptor::getColOffInBytes(), QueryMemoryDescriptor::getColOnlyOffInBytes(), QueryMemoryDescriptor::getGpuMemSharing(), QueryMemoryDescriptor::getLogicalSlotWidthBytes(), QueryMemoryDescriptor::getPaddedSlotWidthBytes(), GPU, TargetInfo::is_agg, is_agg_domain_range_equivalent(), TargetInfo::is_distinct, is_distinct_target(), SQLTypeInfoCore< TYPE_FACET_PACK >::is_geometry(), is_group_by, QueryMemoryDescriptor::isLogicalSizedColumnsAllowed(), kAVG, kCOUNT, kDOUBLE, kFLOAT, kNULLT, kSINGLE_VALUE, LL_BUILDER, LL_CONTEXT, LL_INT, GroupByAndAggregate::needsUnnestDoublePatch(), numeric_type_name(), patch_agg_fname(), CodeGenerator::posArg(), WindowProjectNodeContext::resetWindowFunctionContext(), SharedForKeylessOneColumnKnownRange, TargetInfo::skip_null_val, TargetInfo::sql_type, takes_float_argument(), target_expr, target_idx, target_info, QueryMemoryDescriptor::threadsShareMemory(), to_string(), window_function_is_aggregate(), and window_function_requires_peer_handling().

93  {
94  CHECK(group_by_and_agg);
95  CHECK(executor);
96 
97  auto agg_out_ptr_w_idx = agg_out_ptr_w_idx_in;
98  const auto arg_expr = agg_arg(target_expr);
99 
100  const auto agg_fn_names = agg_fn_base_names(target_info);
101  const auto window_func = dynamic_cast<const Analyzer::WindowFunction*>(target_expr);
103  auto target_lvs =
104  window_func
105  ? std::vector<llvm::Value*>{executor->codegenWindowFunction(target_idx, co)}
106  : group_by_and_agg->codegenAggArg(target_expr, co);
107  const auto window_row_ptr = window_func
108  ? group_by_and_agg->codegenWindowRowPointer(
109  window_func, query_mem_desc, co, diamond_codegen)
110  : nullptr;
111  if (window_row_ptr) {
112  agg_out_ptr_w_idx =
113  std::make_tuple(window_row_ptr, std::get<1>(agg_out_ptr_w_idx_in));
114  if (window_function_is_aggregate(window_func->getKind())) {
115  out_row_idx = window_row_ptr;
116  }
117  }
118 
119  llvm::Value* str_target_lv{nullptr};
120  const bool target_has_geo = target_info.is_agg ? target_info.agg_arg_type.is_geometry()
122  if (target_lvs.size() == 3 && !target_has_geo) {
123  // none encoding string, pop the packed pointer + length since
124  // it's only useful for IS NULL checks and assumed to be only
125  // two components (pointer and length) for the purpose of projection
126  str_target_lv = target_lvs.front();
127  target_lvs.erase(target_lvs.begin());
128  }
130  // Geo cols are expanded to the physical coord cols. Each physical coord col is an
131  // array. Ensure that the target values generated match the number of agg
132  // functions before continuing
133  if (target_lvs.size() < agg_fn_names.size()) {
134  CHECK_EQ(target_lvs.size(), agg_fn_names.size() / 2);
135  std::vector<llvm::Value*> new_target_lvs;
136  new_target_lvs.reserve(agg_fn_names.size());
137  for (const auto& target_lv : target_lvs) {
138  new_target_lvs.push_back(target_lv);
139  new_target_lvs.push_back(target_lv);
140  }
141  target_lvs = new_target_lvs;
142  }
143  }
144  if (target_lvs.size() < agg_fn_names.size()) {
145  CHECK_EQ(size_t(1), target_lvs.size());
146  CHECK_EQ(size_t(2), agg_fn_names.size());
147  for (size_t i = 1; i < agg_fn_names.size(); ++i) {
148  target_lvs.push_back(target_lvs.front());
149  }
150  } else {
151  if (target_has_geo) {
152  if (!target_info.is_agg) {
153  CHECK_EQ(static_cast<size_t>(2 * target_info.sql_type.get_physical_coord_cols()),
154  target_lvs.size());
155  CHECK_EQ(agg_fn_names.size(), target_lvs.size());
156  }
157  } else {
158  CHECK(str_target_lv || (agg_fn_names.size() == target_lvs.size()));
159  CHECK(target_lvs.size() == 1 || target_lvs.size() == 2);
160  }
161  }
162 
163  int32_t slot_index = base_slot_index;
164  CHECK_GE(slot_index, 0);
165  CHECK(is_group_by || static_cast<size_t>(slot_index) < agg_out_vec.size());
166 
167  uint32_t col_off{0};
168  const bool is_simple_count =
170  if (co.device_type_ == ExecutorDeviceType::GPU && query_mem_desc.threadsShareMemory() &&
171  is_simple_count && (!arg_expr || arg_expr->get_type_info().get_notnull())) {
172  CHECK_EQ(size_t(1), agg_fn_names.size());
173  const auto chosen_bytes = query_mem_desc.getPaddedSlotWidthBytes(slot_index);
174  llvm::Value* agg_col_ptr{nullptr};
175  if (is_group_by) {
176  if (query_mem_desc.didOutputColumnar()) {
177  col_off = query_mem_desc.getColOffInBytes(slot_index);
178  CHECK_EQ(size_t(0), col_off % chosen_bytes);
179  col_off /= chosen_bytes;
180  CHECK(std::get<1>(agg_out_ptr_w_idx));
181  auto offset =
182  LL_BUILDER.CreateAdd(std::get<1>(agg_out_ptr_w_idx), LL_INT(col_off));
183  agg_col_ptr = LL_BUILDER.CreateGEP(
184  LL_BUILDER.CreateBitCast(
185  std::get<0>(agg_out_ptr_w_idx),
186  llvm::PointerType::get(get_int_type((chosen_bytes << 3), LL_CONTEXT), 0)),
187  offset);
188  } else {
189  col_off = query_mem_desc.getColOnlyOffInBytes(slot_index);
190  CHECK_EQ(size_t(0), col_off % chosen_bytes);
191  col_off /= chosen_bytes;
192  agg_col_ptr = LL_BUILDER.CreateGEP(
193  LL_BUILDER.CreateBitCast(
194  std::get<0>(agg_out_ptr_w_idx),
195  llvm::PointerType::get(get_int_type((chosen_bytes << 3), LL_CONTEXT), 0)),
196  LL_INT(col_off));
197  }
198  }
199 
200  if (chosen_bytes != sizeof(int32_t)) {
201  CHECK_EQ(8, chosen_bytes);
202  if (g_bigint_count) {
203  const auto acc_i64 = LL_BUILDER.CreateBitCast(
204  is_group_by ? agg_col_ptr : agg_out_vec[slot_index],
205  llvm::PointerType::get(get_int_type(64, LL_CONTEXT), 0));
206  LL_BUILDER.CreateAtomicRMW(llvm::AtomicRMWInst::Add,
207  acc_i64,
208  LL_INT(int64_t(1)),
209  llvm::AtomicOrdering::Monotonic);
210  } else {
211  const auto acc_i32 = LL_BUILDER.CreateBitCast(
212  is_group_by ? agg_col_ptr : agg_out_vec[slot_index],
213  llvm::PointerType::get(get_int_type(32, LL_CONTEXT), 0));
214  LL_BUILDER.CreateAtomicRMW(llvm::AtomicRMWInst::Add,
215  acc_i32,
216  LL_INT(1),
217  llvm::AtomicOrdering::Monotonic);
218  }
219  } else {
220  const auto acc_i32 = (is_group_by ? agg_col_ptr : agg_out_vec[slot_index]);
221  if (query_mem_desc.getGpuMemSharing() ==
223  // Atomic operation on address space level 3 (Shared):
224  const auto shared_acc_i32 = LL_BUILDER.CreatePointerCast(
225  acc_i32, llvm::Type::getInt32PtrTy(LL_CONTEXT, 3));
226  LL_BUILDER.CreateAtomicRMW(llvm::AtomicRMWInst::Add,
227  shared_acc_i32,
228  LL_INT(1),
229  llvm::AtomicOrdering::Monotonic);
230  } else {
231  LL_BUILDER.CreateAtomicRMW(llvm::AtomicRMWInst::Add,
232  acc_i32,
233  LL_INT(1),
234  llvm::AtomicOrdering::Monotonic);
235  }
236  }
237  return;
238  }
239 
240  size_t target_lv_idx = 0;
241  const bool lazy_fetched{executor->plan_state_->isLazyFetchColumn(target_expr)};
242 
243  CodeGenerator code_generator(executor);
244  for (const auto& agg_base_name : agg_fn_names) {
245  if (target_info.is_distinct && arg_expr->get_type_info().is_array()) {
246  CHECK_EQ(static_cast<size_t>(query_mem_desc.getLogicalSlotWidthBytes(slot_index)),
247  sizeof(int64_t));
248  // TODO(miyu): check if buffer may be columnar here
249  CHECK(!query_mem_desc.didOutputColumnar());
250  const auto& elem_ti = arg_expr->get_type_info().get_elem_type();
251  if (is_group_by) {
252  col_off = query_mem_desc.getColOnlyOffInBytes(slot_index);
253  CHECK_EQ(size_t(0), col_off % sizeof(int64_t));
254  col_off /= sizeof(int64_t);
255  }
256  executor->cgen_state_->emitExternalCall(
257  "agg_count_distinct_array_" + numeric_type_name(elem_ti),
258  llvm::Type::getVoidTy(LL_CONTEXT),
259  {is_group_by
260  ? LL_BUILDER.CreateGEP(std::get<0>(agg_out_ptr_w_idx), LL_INT(col_off))
261  : agg_out_vec[slot_index],
262  target_lvs[target_lv_idx],
263  code_generator.posArg(arg_expr),
264  elem_ti.is_fp()
265  ? static_cast<llvm::Value*>(executor->cgen_state_->inlineFpNull(elem_ti))
266  : static_cast<llvm::Value*>(
267  executor->cgen_state_->inlineIntNull(elem_ti))});
268  ++slot_index;
269  ++target_lv_idx;
270  continue;
271  }
272 
273  llvm::Value* agg_col_ptr{nullptr};
274  const auto chosen_bytes =
275  static_cast<size_t>(query_mem_desc.getPaddedSlotWidthBytes(slot_index));
276  const auto& chosen_type = get_compact_type(target_info);
277  const auto& arg_type =
278  ((arg_expr && arg_expr->get_type_info().get_type() != kNULLT) &&
282  const bool is_fp_arg =
283  !lazy_fetched && arg_type.get_type() != kNULLT && arg_type.is_fp();
284  if (is_group_by) {
285  agg_col_ptr = group_by_and_agg->codegenAggColumnPtr(output_buffer_byte_stream,
286  out_row_idx,
287  agg_out_ptr_w_idx,
288  query_mem_desc,
289  chosen_bytes,
290  slot_index,
291  target_idx);
292  CHECK(agg_col_ptr);
293  agg_col_ptr->setName("agg_col_ptr");
294  }
295 
296  const bool float_argument_input = takes_float_argument(target_info);
297  const bool is_count_in_avg = target_info.agg_kind == kAVG && target_lv_idx == 1;
298  // The count component of an average should never be compacted.
299  const auto agg_chosen_bytes =
300  float_argument_input && !is_count_in_avg ? sizeof(float) : chosen_bytes;
301  if (float_argument_input) {
302  CHECK_GE(chosen_bytes, sizeof(float));
303  }
304 
305  auto target_lv = target_lvs[target_lv_idx];
306  const auto needs_unnest_double_patch = group_by_and_agg->needsUnnestDoublePatch(
307  target_lv, agg_base_name, query_mem_desc.threadsShareMemory(), co);
308  const auto need_skip_null = !needs_unnest_double_patch && target_info.skip_null_val;
309  if (!needs_unnest_double_patch) {
310  if (need_skip_null && !is_agg_domain_range_equivalent(target_info.agg_kind)) {
311  target_lv = group_by_and_agg->convertNullIfAny(arg_type, target_info, target_lv);
312  } else if (is_fp_arg) {
313  target_lv = executor->castToFP(target_lv);
314  }
315  if (!dynamic_cast<const Analyzer::AggExpr*>(target_expr) || arg_expr) {
316  target_lv =
317  executor->cgen_state_->castToTypeIn(target_lv, (agg_chosen_bytes << 3));
318  }
319  }
320 
321  std::vector<llvm::Value*> agg_args{
322  executor->castToIntPtrTyIn((is_group_by ? agg_col_ptr : agg_out_vec[slot_index]),
323  (agg_chosen_bytes << 3)),
324  (is_simple_count && !arg_expr)
325  ? (agg_chosen_bytes == sizeof(int32_t) ? LL_INT(int32_t(0))
326  : LL_INT(int64_t(0)))
327  : (is_simple_count && arg_expr && str_target_lv ? str_target_lv : target_lv)};
328  if (query_mem_desc.isLogicalSizedColumnsAllowed()) {
329  if (is_simple_count && arg_expr && str_target_lv) {
330  agg_args[1] =
331  agg_chosen_bytes == sizeof(int32_t) ? LL_INT(int32_t(0)) : LL_INT(int64_t(0));
332  }
333  }
334  std::string agg_fname{agg_base_name};
335  if (is_fp_arg) {
336  if (!lazy_fetched) {
337  if (agg_chosen_bytes == sizeof(float)) {
338  CHECK_EQ(arg_type.get_type(), kFLOAT);
339  agg_fname += "_float";
340  } else {
341  CHECK_EQ(agg_chosen_bytes, sizeof(double));
342  agg_fname += "_double";
343  }
344  }
345  } else if (agg_chosen_bytes == sizeof(int32_t)) {
346  agg_fname += "_int32";
347  } else if (agg_chosen_bytes == sizeof(int16_t) &&
348  query_mem_desc.didOutputColumnar()) {
349  agg_fname += "_int16";
350  } else if (agg_chosen_bytes == sizeof(int8_t) && query_mem_desc.didOutputColumnar()) {
351  agg_fname += "_int8";
352  }
353 
355  CHECK_EQ(agg_chosen_bytes, sizeof(int64_t));
356  CHECK(!chosen_type.is_fp());
357  group_by_and_agg->codegenCountDistinct(
358  target_idx, target_expr, agg_args, query_mem_desc, co.device_type_);
359  } else {
360  const auto& arg_ti = target_info.agg_arg_type;
361  if (need_skip_null && !arg_ti.is_geometry()) {
362  agg_fname += "_skip_val";
363  }
364 
366  (need_skip_null && !arg_ti.is_geometry())) {
367  llvm::Value* null_in_lv{nullptr};
368  if (arg_ti.is_fp()) {
369  null_in_lv =
370  static_cast<llvm::Value*>(executor->cgen_state_->inlineFpNull(arg_ti));
371  } else {
372  null_in_lv = static_cast<llvm::Value*>(executor->cgen_state_->inlineIntNull(
374  ? arg_ti
375  : target_info.sql_type));
376  }
377  CHECK(null_in_lv);
378  auto null_lv =
379  executor->cgen_state_->castToTypeIn(null_in_lv, (agg_chosen_bytes << 3));
380  agg_args.push_back(null_lv);
381  }
382  if (!target_info.is_distinct) {
384  query_mem_desc.threadsShareMemory()) {
385  agg_fname += "_shared";
386  if (needs_unnest_double_patch) {
387  agg_fname = patch_agg_fname(agg_fname);
388  }
389  }
390  auto agg_fname_call_ret_lv = group_by_and_agg->emitCall(agg_fname, agg_args);
391 
392  if (agg_fname.find("checked") != std::string::npos) {
393  group_by_and_agg->checkErrorCode(agg_fname_call_ret_lv);
394  }
395  }
396  }
397  if (window_func && window_function_requires_peer_handling(window_func)) {
398  const auto window_func_context =
400  const auto pending_outputs =
401  LL_INT(window_func_context->aggregateStatePendingOutputs());
402  executor->cgen_state_->emitExternalCall("add_window_pending_output",
403  llvm::Type::getVoidTy(LL_CONTEXT),
404  {agg_args.front(), pending_outputs});
405  const auto& window_func_ti = window_func->get_type_info();
406  std::string apply_window_pending_outputs_name = "apply_window_pending_outputs";
407  switch (window_func_ti.get_type()) {
408  case kFLOAT: {
409  apply_window_pending_outputs_name += "_float";
410  if (query_mem_desc.didOutputColumnar()) {
411  apply_window_pending_outputs_name += "_columnar";
412  }
413  break;
414  }
415  case kDOUBLE: {
416  apply_window_pending_outputs_name += "_double";
417  break;
418  }
419  default: {
420  apply_window_pending_outputs_name += "_int";
421  if (query_mem_desc.didOutputColumnar()) {
422  apply_window_pending_outputs_name +=
423  std::to_string(window_func_ti.get_size() * 8);
424  } else {
425  apply_window_pending_outputs_name += "64";
426  }
427  break;
428  }
429  }
430  const auto partition_end =
431  LL_INT(reinterpret_cast<int64_t>(window_func_context->partitionEnd()));
432  executor->cgen_state_->emitExternalCall(apply_window_pending_outputs_name,
433  llvm::Type::getVoidTy(LL_CONTEXT),
434  {pending_outputs,
435  target_lvs.front(),
436  partition_end,
437  code_generator.posArg(nullptr)});
438  }
439 
440  ++slot_index;
441  ++target_lv_idx;
442  }
443 }
#define LL_BUILDER
const Analyzer::Expr * agg_arg(const Analyzer::Expr *expr)
#define CHECK_EQ(x, y)
Definition: Logger.h:201
std::vector< std::string > agg_fn_base_names(const TargetInfo &target_info)
llvm::Value * codegenAggColumnPtr(llvm::Value *output_buffer_byte_stream, llvm::Value *out_row_idx, const std::tuple< llvm::Value *, llvm::Value * > &agg_out_ptr_w_idx, const QueryMemoryDescriptor &query_mem_desc, const size_t chosen_bytes, const size_t agg_out_off, const size_t target_idx)
: returns the pointer to where the aggregation should be stored.
bool isLogicalSizedColumnsAllowed() const
SQLTypeInfo sql_type
Definition: TargetInfo.h:42
#define CHECK_GE(x, y)
Definition: Logger.h:206
llvm::Value * emitCall(const std::string &fname, const std::vector< llvm::Value * > &args)
void checkErrorCode(llvm::Value *retCode)
bool needsUnnestDoublePatch(llvm::Value *val_ptr, const std::string &agg_base_name, const bool threads_share_memory, const CompilationOptions &co) const
bool takes_float_argument(const TargetInfo &target_info)
Definition: TargetInfo.h:121
bool skip_null_val
Definition: TargetInfo.h:44
llvm::Type * get_int_type(const int width, llvm::LLVMContext &context)
std::string to_string(char const *&&v)
SQLTypeInfo agg_arg_type
Definition: TargetInfo.h:43
std::string patch_agg_fname(const std::string &agg_name)
size_t getColOnlyOffInBytes(const size_t col_idx) const
const SQLTypeInfo get_compact_type(const TargetInfo &target)
bool is_agg
Definition: TargetInfo.h:40
CHECK(cgen_state)
#define LL_INT(v)
HOST DEVICE SQLTypes get_type() const
Definition: sqltypes.h:326
llvm::Value * convertNullIfAny(const SQLTypeInfo &arg_type, const TargetInfo &agg_info, llvm::Value *target)
int get_physical_coord_cols() const
Definition: sqltypes.h:362
bool g_bigint_count
#define LL_CONTEXT
bool is_distinct_target(const TargetInfo &target_info)
Definition: TargetInfo.h:117
void codegenCountDistinct(const size_t target_idx, const Analyzer::Expr *target_expr, std::vector< llvm::Value * > &agg_args, const QueryMemoryDescriptor &, const ExecutorDeviceType)
const int8_t getPaddedSlotWidthBytes(const size_t slot_idx) const
SQLAgg agg_kind
Definition: TargetInfo.h:41
bool is_geometry() const
Definition: sqltypes.h:489
ExecutorDeviceType device_type_
bool window_function_is_aggregate(const SqlWindowFunctionKind kind)
Definition: WindowContext.h:42
static void resetWindowFunctionContext()
const Analyzer::Expr * target_expr
Definition: sqldefs.h:76
std::vector< llvm::Value * > codegenAggArg(const Analyzer::Expr *target_expr, const CompilationOptions &co)
llvm::Value * codegenWindowRowPointer(const Analyzer::WindowFunction *window_func, const QueryMemoryDescriptor &query_mem_desc, const CompilationOptions &co, DiamondCodegen &diamond_codegen)
bool window_function_requires_peer_handling(const Analyzer::WindowFunction *window_func)
GroupByMemSharing getGpuMemSharing() const
std::string numeric_type_name(const SQLTypeInfo &ti)
Definition: Execute.h:159
bool is_distinct
Definition: TargetInfo.h:45
const int8_t getLogicalSlotWidthBytes(const size_t slot_idx) const
Definition: sqldefs.h:72
size_t getColOffInBytes(const size_t col_idx) const
static WindowFunctionContext * getActiveWindowFunctionContext()
bool is_agg_domain_range_equivalent(const SQLAgg &agg_kind)
Definition: TargetInfo.h:52

+ Here is the call graph for this function:

Member Data Documentation

int32_t TargetExprCodegen::base_slot_index

Definition at line 59 of file TargetExprBuilder.h.

Referenced by codegen().

const Analyzer::Expr* TargetExprCodegen::target_expr

Definition at line 56 of file TargetExprBuilder.h.

Referenced by codegen().

size_t TargetExprCodegen::target_idx

Definition at line 60 of file TargetExprBuilder.h.

Referenced by codegen().

TargetInfo TargetExprCodegen::target_info

Definition at line 57 of file TargetExprBuilder.h.

Referenced by codegen(), and TargetExprCodegenBuilder::operator()().


The documentation for this struct was generated from the following files: