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* wasm2js: optimize loads (#2085)Alon Zakai2019-05-0396-127/+55
| | | | When loading a boolean, prefer the signed heap (which is more commonly used, and may be faster). We never use HEAPU32 (HEAP32 is always enough), just remove it.
* wasm2js: avoid some slow operations when not optimizing (#2082)Alon Zakai2019-05-0320-3751/+4087
| | | Without this PR, wasm2js0.test_printf in emscripten took an extremely long time to compile.
* wasm2js: don't emit obviously unnecessary parens (#2080)Alon Zakai2019-05-0250-8700/+5594
| | | A minifier would probably remove them later anyhow, but they make reading the code annoying and hard.
* wasm2js: ignore implicit traps (#2079)Alon Zakai2019-05-029-60/+41
| | | | | We don't actually try to emit traps for loads, stores, invalid float to ints, etc., so when optimizing we may as well do so under the assumption those traps do not exist. This lets us emit nice code for a select whose operands are loads, for example - otherwise, the values seem to have side effects.
* Optimize mutable globals (#2066)Alon Zakai2019-05-0221-69/+296
| | | | | | | If a global is marked mutable but not assigned to, make it immutable. If an immutable global is a copy of another, use the original, so we can remove the duplicates. Fixes #2011
* Add a pass to lower unaligned loads and stores (#2078)Alon Zakai2019-05-0211-148/+936
| | | | | This replaces the wasm2js code that lowered them to pessimistic (1-byte aligned) loads and stores. The new pass will do the optimal thing, keeping 2-byte alignment where possible. This is also nicer as a standalone pass, which has the simple property that after it runs all loads and stores are aligned, instead of some code scattered inside wasm2js.
* Reenable clang-tidy Travis CI hook (#2077)Heejin Ahn2019-05-011-1/+1
| | | Reenable the clang-tidy hook temporarily disabled by #2075.
* wasm2js: don't run coalesce-locals if not optimizing (#2076)Alon Zakai2019-05-0152-16964/+22102
| | | That pass is very slow on unoptimized code (super-linear on the number of locals, which if unoptimized can be massive due to flatten).
* clang-tidy braces changes (#2075)Alon Zakai2019-05-01117-1509/+2946
| | | 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.
* wasm2js: run more optimizations (#2073)Alon Zakai2019-05-0163-22435/+17249
| | | In particular, coalesce-locals is useful even if closure is run later (apparently it finds stuff closure can't).
* Proper errors on unsupported segment types in ↵Alon Zakai2019-05-011-1/+6
| | | | EmscriptenGlueGenerator::separateDataSegments (#2068)
* wasm2js: run full optimizations during the pipeline (#2071)Alon Zakai2019-04-3080-6058/+23001
| | | | | We flatten for the i64 lowering etc. passes, and it is worth optimizing afterwards, to clean up stuff they created. That is run if the user ran wasm2js with an optimization level (like wasm2js -O3). Split the test files to check both optimized and unoptimized code.
* Make clang-tidy check header files too (#2072)Heejin Ahn2019-04-301-0/+1
| | | Without this header file errors would be ignored.
* Add clang-tidy-diff hook to Travis CI (#2060)Heejin Ahn2019-04-302-1/+16
|\ | | | | | | | | This adds clang-tidy hook to Travis CI. This runs clang-tidy to the diff between the current HEAD and master. (It takes very long time to run clang-tidy on the whole repo, so it is not feasible anyway.)
| * Merge branch 'master' into clang_tidy_hookHeejin Ahn2019-04-3019-73968/+457
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| * | Change error message slightlyHeejin Ahn2019-04-301-1/+1
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| * | Remove the clang-tidy error used to trigger Travis CI errorHeejin Ahn2019-04-301-4/+0
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| * | Run clang-tidy-diff.sh only if it existsHeejin Ahn2019-04-291-1/+2
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| * | Change error to a brace-related oneHeejin Ahn2019-04-291-3/+3
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| * | tempHeejin Ahn2019-04-291-1/+4
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| * | FinalHeejin Ahn2019-04-272-7/+1
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| * | WellHeejin Ahn2019-04-271-1/+1
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| * | TestHeejin Ahn2019-04-271-1/+3
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| * | What is clang-tidy version?Heejin Ahn2019-04-271-3/+1
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| * | Why not working??Heejin Ahn2019-04-271-0/+3
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| * | Remove special case handlingHeejin Ahn2019-04-271-10/+0
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| * | Change clang-tidy-error to brace-related oneHeejin Ahn2019-04-271-0/+1
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| * | Add a helpful message when skipping testHeejin Ahn2019-04-271-0/+1
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| * | Add a clang-tidy error again to show how Travis CI worksHeejin Ahn2019-04-272-3/+6
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| * | Wingardium leviosaHeejin Ahn2019-04-271-2/+1
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| * | ...Heejin Ahn2019-04-271-1/+1
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| * | Does it succeed if we don't have wrong style?Heejin Ahn2019-04-272-1/+3
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| * | ┬─┬ノ( ゜-゜ノ) (╯°□°)╯︵ ┻━┻Heejin Ahn2019-04-271-1/+1
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| * | (╯°□°)╯︵ ┻━┻Heejin Ahn2019-04-271-1/+1
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| * | Missing 'then'Heejin Ahn2019-04-271-0/+1
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| * | Typo fixHeejin Ahn2019-04-271-1/+1
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| * | Finally?Heejin Ahn2019-04-272-6/+7
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| * | Ah whateverHeejin Ahn2019-04-272-2/+2
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| * | Directory queriesHeejin Ahn2019-04-271-0/+3
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| * | Fix an unintended clang-format errorHeejin Ahn2019-04-271-1/+1
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| * | cd to ${TRAVIS_BUILD_DIR} before running clang-tidyHeejin Ahn2019-04-272-6/+3
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| * | Run clang-tidy in TRAVIS_BUILD_DIRHeejin Ahn2019-04-271-1/+1
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| * | Where is the current directory?Heejin Ahn2019-04-271-0/+5
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| * | Add -DCMAKE_EXPORT_COMPILE_COMMANDS=ON againHeejin Ahn2019-04-271-1/+1
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| * | Run clang-tidy after cmakeHeejin Ahn2019-04-271-2/+2
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| * | Add -DCMAKE_EXPORT_COMPILE_COMMANDS=ON to cmakeHeejin Ahn2019-04-271-1/+1
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| * | Add missint 'exit 1'Heejin Ahn2019-04-261-0/+1
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| * | Add clang-tidy Travis hook + testHeejin Ahn2019-04-263-2/+14
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| * | Do we have clang-tidy-diff.py?Heejin Ahn2019-04-261-0/+1
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| * | Where is clang-tidy binary?Heejin Ahn2019-04-261-1/+1
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