diff --git a/lib/codegen/analysis/layout.cc b/lib/codegen/analysis/layout.cc
index 314b6d590..634b857a6 100644
--- a/lib/codegen/analysis/layout.cc
+++ b/lib/codegen/analysis/layout.cc
@@ -222,6 +222,7 @@ layout_shared_t::layout_shared_t(const layout_t *arg,
                                  size_t _id,
                                  analysis::align* align): layout_t(SHARED, _axes, _shapes, values, _id, align) {
 
+  size = 0;
   if(arg->type == SCANLINE)
     order = arg->order;
 
diff --git a/lib/codegen/analysis/liveness.cc b/lib/codegen/analysis/liveness.cc
index 2953bcc8e..98af7e039 100644
--- a/lib/codegen/analysis/liveness.cc
+++ b/lib/codegen/analysis/liveness.cc
@@ -154,7 +154,7 @@ void liveness::run(ir::module &mod) {
 
   // connected components
   for(auto &x: layouts_->get_all()) {
-    layout_t* layout = x.second;
+    layout_t*& layout = x.second;
     if(layout->type != SHARED)
       continue;
     for(ir::value *v: layout->values)
diff --git a/lib/driver/module.cc b/lib/driver/module.cc
index 30881d087..e300a75f2 100755
--- a/lib/driver/module.cc
+++ b/lib/driver/module.cc
@@ -241,7 +241,6 @@ std::string cu_module::compile_llvm_module(std::unique_ptr<llvm::Module> module,
 cu_module::cu_module(driver::context * context, std::unique_ptr<llvm::Module> ll_module): cu_module(context, compile_llvm_module(std::move(ll_module), context->device())) { }
 
 cu_module::cu_module(driver::context * context, std::string const & source) : module(context, CUmodule(), true), source_(source){
-  std::cout << source << std::endl;
   cu_context::context_switcher ctx(*context);
   // JIT compile source-code
   CUjit_option opt[] = {CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES, CU_JIT_ERROR_LOG_BUFFER};
diff --git a/lib/runtime/function.cc b/lib/runtime/function.cc
index f8ca7fff6..dba693475 100644
--- a/lib/runtime/function.cc
+++ b/lib/runtime/function.cc
@@ -245,6 +245,7 @@ std::unique_ptr<driver::module> function::make_bin(ir::module &module, driver::c
   align.run(module);
   axes.run(module);
   layouts.run(module);
+  liveness.run(module);
 //  ir::print(module, std::cout);
   selection.run(module, *llvm);
   // return binary