update relooper and prepare to use emulation in it when necessary

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 35f679185d..2b39b59613 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -288,6 +288,10 @@ namespace {
 
     void calculateNativizedVars(const Function *F);
 
+    // special analyses
+
+    bool canReloop(const Function *F);
+
     // main entry point
 
     void printModuleBody();
@@ -1143,6 +1147,7 @@ void JSWriter::printFunctionBody(const Function *F) {
   static char *buffer = new char[RELOOPER_BUFFER];
   Relooper::SetOutputBuffer(buffer, RELOOPER_BUFFER);
   Relooper R;
+  //if (!canReloop(F)) R.SetEmulate(true);
   R.SetAsmJSMode(1);
   Block *Entry = NULL;
   std::map<const BasicBlock*, Block*> LLVMToRelooper;
@@ -1688,6 +1693,12 @@ void JSWriter::calculateNativizedVars(const Function *F) {
   }
 }
 
+// special analyses
+
+bool JSWriter::canReloop(const Function *F) {
+  return true;
+}
+
 // main entry
 
 void JSWriter::printCommaSeparated(const HeapData data) {