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* Add support for reference types proposal (#2451)Heejin Ahn2019-12-301-6/+4
| | | | | | | | | | | | This adds support for the reference type proposal. This includes support for all reference types (`anyref`, `funcref`(=`anyfunc`), and `nullref`) and four new instructions: `ref.null`, `ref.is_null`, `ref.func`, and new typed `select`. This also adds subtype relationship support between reference types. This does not include table instructions yet. This also does not include wasm2js support. Fixes #2444 and fixes #2447.
* clang-tidy braces changes (#2075)Alon Zakai2019-05-011-2/+4
| | | Applies the changes in #2065, and temprarily disables the hook since it's too slow to run on a change this large. We should re-enable it in a later commit.
* Apply format changes from #2048 (#2059)Alon Zakai2019-04-261-20/+13
| | | Mass change to apply clang-format to everything. We are applying this in a PR by me so the (git) blame is all mine ;) but @aheejin did all the work to get clang-format set up and all the manual work to tidy up some things to make the output nicer in #2048
* Simplify ExpressionAnalyzer (#1920)Alon Zakai2019-02-271-0/+1
| | | | | This refactors the hashing and comparison code to use a single immediate-value iterator. This makes us have a single place that knows the list of immediate fields in every node type, instead of 2. This also fixes a few bugs found by doing that. In particular, this makes us slightly slower than before since we are hashing more fields.
* SmallVector (#1912)Alon Zakai2019-02-251-0/+172
Trying to refactor the code to be simpler and less redundant, I ran into some perf issues that it seems like a small vector, with fixed-size storage and optional additional storage as needed, might help with. This implements that class and uses it in a few places. This seems to help, I see some 1-2% fewer instructions and cycles in `perf stat`, but it's hard to tell if it really makes a noticeable difference.