doc/langref.md       |   8 +-
 src/all_types.hpp    |   2 +
 src/ast_render.cpp   |  18 +++--
 src/ir.cpp           | 131 +++++++++++++++++++++++++-------
 src/parser.cpp       |  39 ++++++++--
 test/cases/while.zig |  61 +++++++++++++++
 6 files changed, 217 insertions(+), 42 deletions(-)