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| author | Andreas Rumpf <rumpf_a@web.de> | 2021-04-19 11:48:06 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-19 11:48:06 +0200 |
| commit | 4b0b536419a500dc2e5a987ed9c2a374e0848008 (patch) | |
| tree | d2f0caf0cfe36dc549ecadefee9ed1002b66558f /compiler/ic/design.rst | |
| parent | 83fa0fc843a5757c6fa1af9ac89b85b71c0c7581 (diff) | |
| download | Nim-4b0b536419a500dc2e5a987ed9c2a374e0848008.tar.gz | |
ic refactoring (#17778)
* minor IC documentation update * IC: refactoring: removed the 'shared' type and fields, these were a leftover from an earlier design
Diffstat (limited to 'compiler/ic/design.rst')
| -rw-r--r-- | compiler/ic/design.rst | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/compiler/ic/design.rst b/compiler/ic/design.rst index d8e1315b1..b096e3103 100644 --- a/compiler/ic/design.rst +++ b/compiler/ic/design.rst @@ -7,12 +7,8 @@ The frontend produces a set of `.rod` files. Every `.nim` module produces its own `.rod` file. - The IR must be a faithful representation of the AST in memory. -- The backend can do its own caching but doesn't have to. -- We know by comparing 'nim check compiler/nim' against 'nim c compiler/nim' - that 2/3 of the compiler's runtime is spent in the frontend. Hence we - implement IC for the frontend first and only later for the backend. The - backend will recompile everything until we implement its own caching - mechanisms. +- The backend can do its own caching but doesn't have to. In the + current implementation the backend also caches its results. Advantage of the "set of files" vs the previous global database: - By construction, we either read from the `.rod` file or from the |