Method ClearPackedBitValueIfFalse

cpp/src/gandiva/llvm_generator.cc:482–491

Clear the bit in bitMap if value = false.

/// Clear the bit in bitMap if value = false.
void LLVMGenerator::ClearPackedBitValueIfFalse(llvm::Value* bitmap, llvm::Value* position,
                                               llvm::Value* value) {
  ADD_TRACE("ClearIfFalse bit at position %T", position);
  ADD_TRACE("   value %T ", value);

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

/// Extract the bitmap addresses, and do an intersection.
void LLVMGenerator::ComputeBitMapsForExpr(const CompiledExpr& compiled_expr,