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Diffstat (limited to 'src/wasm2js.h')
| -rw-r--r-- | src/wasm2js.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/wasm2js.h b/src/wasm2js.h index 5d2f95e94..ad8e32647 100644 --- a/src/wasm2js.h +++ b/src/wasm2js.h @@ -341,6 +341,11 @@ Ref Wasm2JSBuilder::processWasm(Module* wasm, Name funcName) { // TODO: only legalize if necessary - emscripten would already do so, and // likely other toolchains. but spec test suite needs that. runner.add("legalize-js-interface"); + // Before lowering non-JS operations we can optimize some instructions which + // may simplify next passes + if (options.optimizeLevel > 0) { + runner.add("optimize-for-js"); + } // First up remove as many non-JS operations we can, including things like // 64-bit integer multiplication/division, `f32.nearest` instructions, etc. // This may inject intrinsics which use i64 so it needs to be run before the |