Method SetPackedBitValue

cpp/src/gandiva/llvm_generator.cc:461–469

Set the value of a bit in bitMap.

/// Set the value of a bit in bitMap.
void LLVMGenerator::SetPackedBitValue(llvm::Value* bitmap, llvm::Value* position,
                                      llvm::Value* value) {
  ADD_TRACE("set bit at position %T", position);
  ADD_TRACE("  to value %T ", value);

  llvm::Value* bitmap8 = ir_builder()->CreateBitCast(
      bitmap, types()->ptr_type(types()->i8_type()), "bitMapCast");
  AddFunctionCall("bitMapSetBit", types()->void_type(), {bitmap8, position, value});
}

/// Return value of a bit in validity bitMap (handles null bitmaps too).
llvm::Value* LLVMGenerator::GetPackedValidityBitValue(llvm::Value* bitmap,