LLVM #3 — Control Flow

After all we've done (building a lexer, parser, code-generator, optimiser, and the JIT), we give Kaleidoscope decision-making abilities. What I built: Commit 5ba5803 What I understood: If/Then/Else: 1) Lexer: We add three new tokens, namely tok_if , tok_then , and tok_else , and their corresponding checks in gettok() (through if (IdentifierStr == ...) ) 2) AST: The IfExprAST holds three child expressions — Cond , Then , and Else . It's worth noting that in Kaleidoscope, everything is an expressi