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authorAlon Zakai (kripken) <alonzakai@gmail.com>2017-05-10 14:55:34 -0700
committerAlon Zakai (kripken) <alonzakai@gmail.com>2017-05-10 14:55:34 -0700
commitb3c97a9d6e9c0858c7a021c6437a4f38ceb7a156 (patch)
tree839be4a2210611c008527b54ad741db52aa0d456 /src/passes/pass.cpp
parenta42f2247e0f4ddd7c4560a9d466f65ee88753bd7 (diff)
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merge blocks before and after remove-unused-brs
Diffstat (limited to 'src/passes/pass.cpp')
-rw-r--r--src/passes/pass.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index 50c8da46b..92ab694e0 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -135,8 +135,9 @@ void PassRunner::addDefaultFunctionOptimizationPasses() {
add("simplify-locals");
add("vacuum"); // previous pass creates garbage
add("reorder-locals");
+ add("merge-blocks"); // makes remove-unused-brs more effective
add("remove-unused-brs"); // coalesce-locals opens opportunities for optimizations
- add("merge-blocks");
+ add("merge-blocks"); // clean up remove-unused-brs new blocks
add("optimize-instructions");
add("precompute");
if (options.shrinkLevel >= 2) {