2 files changed, 116 insertions, 0 deletions
diff --git a/test/example/module-splitting.cpp b/test/example/module-splitting.cpp
index 5391fe584..2aa67d6d5 100644
--- a/test/example/module-splitting.cpp
+++ b/test/example/module-splitting.cpp
@@ -64,6 +64,8 @@ void do_test(const std::set<Name>& keptFuncs, std::string&& module) {
   assert(valid && "secondary invalid!");
 }
 
+void test_minimized_exports();
+
 int main() {
   // Trivial module
   do_test({}, "(module)");
@@ -437,4 +439,46 @@ int main() {
      (export "foo2" (func $foo))
      (func $foo)
     ))");
+
+  test_minimized_exports();
+}
+
+void test_minimized_exports() {
+  Module primary;
+  primary.features = FeatureSet::All;
+
+  std::set<Name> keep;
+  Expression* callBody = nullptr;
+
+  Builder builder(primary);
+
+  for (size_t i = 0; i < 10; ++i) {
+    Name name = std::to_string(i);
+    primary.addFunction(Builder::makeFunction(name, {}, {}, builder.makeNop()));
+    keep.insert(name);
+    callBody =
+      builder.blockify(callBody, builder.makeCall(name, {}, Type::none));
+
+    if (i == 3) {
+      primary.addExport(
+        Builder::makeExport("already_exported", name, ExternalKind::Function));
+    }
+    if (i == 7) {
+      primary.addExport(
+        Builder::makeExport("%b", name, ExternalKind::Function));
+    }
+  }
+
+  primary.addFunction(Builder::makeFunction("call", {}, {}, callBody));
+
+  ModuleSplitting::Config config;
+  config.primaryFuncs = std::move(keep);
+  config.newExportPrefix = "%";
+  config.minimizeNewExportNames = true;
+
+  auto secondary = splitFunctions(primary, config);
+  std::cout << "Minimized names primary:\n";
+  std::cout << primary << "\n";
+  std::cout << "Minimized names secondary:\n";
+  std::cout << *secondary << "\n";
 }
diff --git a/test/example/module-splitting.txt b/test/example/module-splitting.txt
index 5c3728cde..2b92e9dd6 100644
--- a/test/example/module-splitting.txt
+++ b/test/example/module-splitting.txt
@@ -1107,3 +1107,75 @@ Secondary:
 )
 
 
+Minimized names primary:
+(module
+ (type $none_=>_none (func))
+ (export "already_exported" (func $3))
+ (export "%b" (func $7))
+ (export "%a" (func $0))
+ (export "%c" (func $1))
+ (export "%d" (func $2))
+ (export "%e" (func $4))
+ (export "%f" (func $5))
+ (export "%g" (func $6))
+ (export "%h" (func $8))
+ (export "%i" (func $9))
+ (func $0
+  (nop)
+ )
+ (func $1
+  (nop)
+ )
+ (func $2
+  (nop)
+ )
+ (func $3
+  (nop)
+ )
+ (func $4
+  (nop)
+ )
+ (func $5
+  (nop)
+ )
+ (func $6
+  (nop)
+ )
+ (func $7
+  (nop)
+ )
+ (func $8
+  (nop)
+ )
+ (func $9
+  (nop)
+ )
+)
+
+Minimized names secondary:
+(module
+ (type $none_=>_none (func))
+ (import "primary" "%a" (func $0))
+ (import "primary" "%c" (func $1))
+ (import "primary" "%d" (func $2))
+ (import "primary" "already_exported" (func $3))
+ (import "primary" "%e" (func $4))
+ (import "primary" "%f" (func $5))
+ (import "primary" "%g" (func $6))
+ (import "primary" "%b" (func $7))
+ (import "primary" "%h" (func $8))
+ (import "primary" "%i" (func $9))
+ (func $call
+  (call $0)
+  (call $1)
+  (call $2)
+  (call $3)
+  (call $4)
+  (call $5)
+  (call $6)
+  (call $7)
+  (call $8)
+  (call $9)
+ )
+)
+