1 files changed, 17 insertions, 0 deletions
diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index 92206deff..198cb9ab5 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -47,6 +47,13 @@ void PassRegistry::registerPass(const char* name,
   passInfos[name] = PassInfo(description, create);
 }
 
+void PassRegistry::registerTestPass(const char* name,
+                                    const char* description,
+                                    Creator create) {
+  assert(passInfos.find(name) == passInfos.end());
+  passInfos[name] = PassInfo(description, create, true);
+}
+
 std::unique_ptr<Pass> PassRegistry::createPass(std::string name) {
   if (passInfos.find(name) == passInfos.end()) {
     Fatal() << "Could not find pass: " << name << "\n";
@@ -70,6 +77,11 @@ std::string PassRegistry::getPassDescription(std::string name) {
   return passInfos[name].description;
 }
 
+bool PassRegistry::isPassHidden(std::string name) {
+  assert(passInfos.find(name) != passInfos.end());
+  return passInfos[name].hidden;
+}
+
 // PassRunner
 
 void PassRegistry::registerPasses() {
@@ -410,6 +422,11 @@ void PassRegistry::registerPasses() {
   registerPass("vacuum", "removes obviously unneeded code", createVacuumPass);
   // registerPass(
   //   "lower-i64", "lowers i64 into pairs of i32s", createLowerInt64Pass);
+
+  // Register passes used for internal testing. These don't show up in --help.
+  registerTestPass("catch-pop-fixup",
+                   "fixup nested pops within catches",
+                   createCatchPopFixupPass);
 }
 
 void PassRunner::addIfNoDWARFIssues(std::string passName) {