New Dealign pass: reduce load/store alignment to 1 (#3010)

Pretty trivial, but will be useful in wasm2js testing, where we
can't assume an incorrectly-aligned load/store will still work,
so we'll need to be pessimistic about alignment there.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index 14bf5d185..6dcc58b50 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -104,6 +104,9 @@ void PassRegistry::registerPasses() {
                createConstHoistingPass);
   registerPass(
     "dce", "removes unreachable code", createDeadCodeEliminationPass);
+  registerPass("dealign",
+               "forces all loads and stores to have alignment 1",
+               createDeAlignPass);
   registerPass("denan",
                "instrument the wasm to convert NaNs into 0 at runtime",
                createDeNaNPass);