Function createIR

createIR(ctx, projectName, ast, imports): CompilationUnit
Creates the Intermediate Representation (IR) for the given projects.
Parameters
- ctx: MistiContext
- projectName: ProjectName
- ast: AstStore
  AST parsed using the Tact parser.
- imports: ImportGraph
  An optional imports graph for the given projects, if available.
Returns CompilationUnit
A mapping of project names to their corresponding CompilationUnit objects.
- Defined in src/internals/ir/builders/ir.ts:667