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| author | Max Graey <maxgraey@gmail.com> | 2020-08-25 00:06:06 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-24 14:06:06 -0700 |
| commit | 21a08f751bd641f9658455cbf44ecadbf895f5b2 (patch) | |
| tree | e23086a4b1ef857247c15f35b160f941a2c32d9c /src/passes/RedundantSetElimination.cpp | |
| parent | 429b2611f3a159efe3b27f99be34d7aebe9bf45f (diff) | |
| download | binaryen-21a08f751bd641f9658455cbf44ecadbf895f5b2.tar.gz binaryen-21a08f751bd641f9658455cbf44ecadbf895f5b2.tar.bz2 binaryen-21a08f751bd641f9658455cbf44ecadbf895f5b2.zip | |
Avoid wasted work when there are no locals (#3060)
Adds early returns to local optimizations passes in cases where there are no locals to optimize.
Diffstat (limited to 'src/passes/RedundantSetElimination.cpp')
| -rw-r--r-- | src/passes/RedundantSetElimination.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/passes/RedundantSetElimination.cpp b/src/passes/RedundantSetElimination.cpp index a891653df..e36cefc9e 100644 --- a/src/passes/RedundantSetElimination.cpp +++ b/src/passes/RedundantSetElimination.cpp @@ -81,6 +81,9 @@ struct RedundantSetElimination void doWalkFunction(Function* func) { numLocals = func->getNumLocals(); + if (numLocals == 0) { + return; // nothing to do + } // create the CFG by walking the IR CFGWalker<RedundantSetElimination, Visitor<RedundantSetElimination>, Info>:: doWalkFunction(func); |