From c8a57dee5e9c99c51433f3d08da3edc2aadb0140 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Mon, 30 May 2016 12:08:17 -0700
Subject: add an option to run passes on individual functions, and to get
 default optimization passes suitable for that, or not. refactor
 visitFunction/Module for this.

---
 src/passes/pass.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src/passes/pass.cpp')

diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index ca9f477a3..e5bbf5866 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -74,6 +74,25 @@ void PassRunner::addDefaultOptimizationPasses() {
   add("duplicate-function-elimination"); // optimizations show more functions as duplicate
 }
 
+void PassRunner::addDefaultFunctionOptimizationPasses() {
+  add("dce");
+  add("remove-unused-brs");
+  add("remove-unused-names");
+  add("optimize-instructions");
+  add("simplify-locals");
+  add("vacuum"); // previous pass creates garbage
+  add("coalesce-locals");
+  add("vacuum"); // previous pass creates garbage
+  add("reorder-locals");
+  add("merge-blocks");
+  add("optimize-instructions");
+  add("vacuum"); // should not be needed, last few passes do not create garbage, but just to be safe
+}
+
+void PassRunner::addDefaultGlobalOptimizationPasses() {
+  add("duplicate-function-elimination");
+}
+
 void PassRunner::run() {
   std::chrono::high_resolution_clock::time_point beforeEverything;
   size_t padding = 0;
@@ -108,6 +127,12 @@ void PassRunner::run() {
   }
 }
 
+void PassRunner::runFunction(Function* func) {
+  for (auto pass : passes) {
+    pass->runFunction(this, wasm, func);
+  }
+}
+
 template<class P>
 P* PassRunner::getLast() {
   bool found = false;
-- 
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