diff --git a/core/config.h b/core/config.h
index 6096e4d68..79806761c 100644
--- a/core/config.h
+++ b/core/config.h
@@ -109,6 +109,11 @@ enum {
 #define WASM_ENABLE_ABS_LABEL_ADDR 0
 #endif
 
+/* Enable opcode counter or not */
+#ifndef WASM_ENABLE_OPCODE_COUNTER
+#define WASM_ENABLE_OPCODE_COUNTER 0
+#endif
+
 /* Heap and stack profiling */
 #define BEIHAI_ENABLE_MEMORY_PROFILING 0
 
diff --git a/core/iwasm/aot/arch/aot_reloc_x86_64.c b/core/iwasm/aot/arch/aot_reloc_x86_64.c
index 28aa661ae..a18b1c35e 100644
--- a/core/iwasm/aot/arch/aot_reloc_x86_64.c
+++ b/core/iwasm/aot/arch/aot_reloc_x86_64.c
@@ -149,19 +149,22 @@ apply_relocation(AOTModule *module,
         }
         case R_X86_64_PLT32:
         {
-            uint8 *plt = (uint8*)module->code + module->code_size - get_plt_table_size()
-                         + get_plt_item_size() * symbol_index;
-            intptr_t target_addr = (intptr_t)   /* L + A - P */
-                                   (plt + reloc_addend
-                                    - (target_section_addr + reloc_offset));
+            uint8 *plt;
+            intptr_t target_addr = 0;
 
             CHECK_RELOC_OFFSET(sizeof(int32));
 
-            if (symbol_index < 0) {
-                set_error_buf(error_buf, error_buf_size,
-                              "AOT module load failed: "
-                              "invalid symbol index for relocation");
-                return false;
+            if (symbol_index >= 0) {
+                plt = (uint8*)module->code + module->code_size - get_plt_table_size()
+                      + get_plt_item_size() * symbol_index;
+                target_addr = (intptr_t)   /* L + A - P */
+                              (plt + reloc_addend
+                               - (target_section_addr + reloc_offset));
+            }
+            else {
+                target_addr = (intptr_t)   /* L + A - P */
+                              ((uint8*)symbol_addr + reloc_addend
+                               - (target_section_addr + reloc_offset));
             }
 
             if ((int32)target_addr != target_addr) {
diff --git a/core/iwasm/interpreter/wasm_interp_classic.c b/core/iwasm/interpreter/wasm_interp_classic.c
index 7009905ec..3db174814 100644
--- a/core/iwasm/interpreter/wasm_interp_classic.c
+++ b/core/iwasm/interpreter/wasm_interp_classic.c
@@ -818,7 +818,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
 
 #if WASM_ENABLE_LABELS_AS_VALUES != 0
   #define HANDLE_OPCODE(op) &&HANDLE_##op
-  DEFINE_GOTO_TABLE (handle_table);
+  DEFINE_GOTO_TABLE (const void *, handle_table);
   #undef HANDLE_OPCODE
 #endif
 
diff --git a/core/iwasm/interpreter/wasm_interp_fast.c b/core/iwasm/interpreter/wasm_interp_fast.c
index 6897dbff6..557d7bfa5 100644
--- a/core/iwasm/interpreter/wasm_interp_fast.c
+++ b/core/iwasm/interpreter/wasm_interp_fast.c
@@ -697,10 +697,42 @@ wasm_interp_call_func_native(WASMModuleInstance *module_inst,
     wasm_exec_env_set_cur_frame(exec_env, prev_frame);
 }
 
+#if WASM_ENABLE_OPCODE_COUNTER != 0
+typedef struct OpcodeInfo {
+    char *name;
+    uint64 count;
+} OpcodeInfo;
+
+#define HANDLE_OPCODE(op) { #op, 0 }
+DEFINE_GOTO_TABLE (OpcodeInfo, opcode_table);
+#undef HANDLE_OPCODE
+
+static void
+wasm_interp_dump_op_count()
+{
+    uint32 i;
+    uint64 total_count = 0;
+    for (i = 0; i < WASM_OP_IMPDEP; i++)
+        total_count += opcode_table[i].count;
+
+    printf("total opcode count: %ld\n", total_count);
+    for (i = 0; i < WASM_OP_IMPDEP; i++)
+        if (opcode_table[i].count > 0)
+            printf("\t\t%s count:\t\t%ld,\t\t%.2f%%\n",
+                   opcode_table[i].name, opcode_table[i].count,
+                   opcode_table[i].count * 100.0f / total_count);
+}
+#endif
+
+
 #if WASM_ENABLE_LABELS_AS_VALUES != 0
 
 //#define HANDLE_OP(opcode) HANDLE_##opcode:printf(#opcode"\n");h_##opcode
+#if WASM_ENABLE_OPCODE_COUNTER != 0
+#define HANDLE_OP(opcode) HANDLE_##opcode:opcode_table[opcode].count++;h_##opcode
+#else
 #define HANDLE_OP(opcode) HANDLE_##opcode
+#endif
 #if WASM_ENABLE_FAST_INTERP == 0
 #define FETCH_OPCODE_AND_DISPATCH() goto *handle_table[*frame_ip++]
 #else
@@ -765,7 +797,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
 
 #if WASM_ENABLE_LABELS_AS_VALUES != 0
   #define HANDLE_OPCODE(op) &&HANDLE_##op
-  DEFINE_GOTO_TABLE (handle_table);
+  DEFINE_GOTO_TABLE (const void*, handle_table);
   #undef HANDLE_OPCODE
 #if WASM_ENABLE_FAST_INTERP != 0
   if (exec_env == NULL) {
@@ -2287,4 +2319,7 @@ wasm_interp_call_wasm(WASMModuleInstance *module_inst,
 
     wasm_exec_env_set_cur_frame(exec_env, prev_frame);
     FREE_FRAME(exec_env, frame);
+#if WASM_ENABLE_OPCODE_COUNTER != 0
+    wasm_interp_dump_op_count();
+#endif
 }
diff --git a/core/iwasm/interpreter/wasm_opcode.h b/core/iwasm/interpreter/wasm_opcode.h
index e99db696a..51c3e2245 100644
--- a/core/iwasm/interpreter/wasm_opcode.h
+++ b/core/iwasm/interpreter/wasm_opcode.h
@@ -262,8 +262,8 @@ typedef enum WASMOpcode {
  */
 #define WASM_INSTRUCTION_NUM 256
 
-#define DEFINE_GOTO_TABLE(_name)                             \
-static const void *_name[WASM_INSTRUCTION_NUM] = {           \
+#define DEFINE_GOTO_TABLE(type, _name)                       \
+static type _name[WASM_INSTRUCTION_NUM] = {                  \
   HANDLE_OPCODE (WASM_OP_UNREACHABLE),   /* 0x00 */          \
   HANDLE_OPCODE (WASM_OP_NOP),           /* 0x01 */          \
   HANDLE_OPCODE (WASM_OP_BLOCK),         /* 0x02 */          \
diff --git a/core/shared/platform/linux-sgx/sgx_platform.c b/core/shared/platform/linux-sgx/sgx_platform.c
index 358aab98b..08aa37c36 100644
--- a/core/shared/platform/linux-sgx/sgx_platform.c
+++ b/core/shared/platform/linux-sgx/sgx_platform.c
@@ -92,7 +92,7 @@ void* os_mmap(void *hint, unsigned int size, int prot, int flags)
 
     ret = sgx_alloc_rsrv_mem(alignedSize);
     if (ret == NULL) {
-        os_printf_sgx("os_mmap(size=%d, alignedSize=%d, prot=0x%x) failed.",size, alignedSize, prot);
+        os_printf("os_mmap(size=%d, alignedSize=%d, prot=0x%x) failed.",size, alignedSize, prot);
         return NULL;
     }
     if (prot & MMAP_PROT_READ)
@@ -103,7 +103,7 @@ void* os_mmap(void *hint, unsigned int size, int prot, int flags)
         mprot |= SGX_PROT_EXEC;
     st = sgx_tprotect_rsrv_mem(ret, alignedSize, mprot);
     if (st != SGX_SUCCESS){
-	os_printf_sgx("os_mmap(size=%d,prot=0x%x) failed to set protect.",size, prot);
+        os_printf("os_mmap(size=%d,prot=0x%x) failed to set protect.",size, prot);
         sgx_free_rsrv_mem(ret, alignedSize);
         return NULL;
     }
@@ -134,7 +134,8 @@ int os_mprotect(void *addr, uint32 size, int prot)
     if (prot & MMAP_PROT_EXEC)
         mprot |= SGX_PROT_EXEC;
     st = sgx_tprotect_rsrv_mem(addr, size, mprot);
-    if (st != SGX_SUCCESS) os_printf_sgx("os_mprotect(addr=0x%lx,size=%d,prot=0x%x) failed.", addr, size, prot);
+    if (st != SGX_SUCCESS)
+        os_printf("os_mprotect(addr=0x%lx,size=%d,prot=0x%x) failed.", addr, size, prot);
 
     return (st == SGX_SUCCESS? 0:-1);
 #else
diff --git a/product-mini/platforms/linux/build_llvm.sh b/product-mini/platforms/linux/build_llvm.sh
index 29c5e5058..a21f03d66 100755
--- a/product-mini/platforms/linux/build_llvm.sh
+++ b/product-mini/platforms/linux/build_llvm.sh
@@ -8,7 +8,7 @@ DEPS_DIR=${PWD}/../../../core/deps
 cd ${DEPS_DIR}
 if [ ! -d "llvm" ]; then
   echo "Clone llvm to core/deps/ .."
-  git clone --depth 1 https://github.com/llvm-mirror/llvm.git
+  git clone --depth 1 https://github.com/llvm/llvm-project.git llvm
 fi
 
 cd llvm
@@ -24,7 +24,7 @@ if [ ! -f bin/llvm-lto ]; then
 
   echo "Build llvm with" ${CORE_NUM} "cores"
 
-  cmake .. \
+  cmake ../llvm \
           -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
           -DCMAKE_BUILD_TYPE:STRING="Release" \
           -DLLVM_BUILD_LLVM_DYLIB:BOOL=OFF \
diff --git a/wamr-compiler/build_llvm.sh b/wamr-compiler/build_llvm.sh
index dc21f79c2..f0da388a9 100755
--- a/wamr-compiler/build_llvm.sh
+++ b/wamr-compiler/build_llvm.sh
@@ -8,7 +8,7 @@ DEPS_DIR=${PWD}/../core/deps
 cd ${DEPS_DIR}
 if [ ! -d "llvm" ]; then
   echo "Clone llvm to core/deps/ .."
-  git clone --depth 1 https://github.com/llvm-mirror/llvm.git
+  git clone --depth 1 https://github.com/llvm/llvm-project.git llvm
 fi
 
 cd llvm
@@ -24,7 +24,7 @@ if [ ! -f bin/llvm-lto ]; then
 
   echo "Build llvm with" ${CORE_NUM} "cores"
 
-  cmake .. \
+  cmake ../llvm \
           -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
           -DCMAKE_BUILD_TYPE:STRING="Release" \
           -DLLVM_BUILD_LLVM_DYLIB:BOOL=OFF \