Method FindValueID

Source/SpireCore/SpirVCodeGen.cpp:1921–1931

			}

			int FindValueID(ILOperand *op)
			{
				auto it = StackVariableNameToValueID.end();
				while (it != StackVariableNameToValueID.begin())
				{
					it--;
					if (it->ContainsKey(op))
						return (*it)[op];
				}
				return -1;
			}

			void InvalidateValue(ILOperand *op)
			{