Change variable and namespace name in BE (#268)

Change 'palo' to 'doris'

be/src/codegen/llvm_codegen.h

@@ -15,8 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
-#ifndef BDG_PALO_BE_SRC_QUERY_CODEGEN_LLVM_CODEGEN_H
-#define BDG_PALO_BE_SRC_QUERY_CODEGEN_LLVM_CODEGEN_H
+#ifndef DORIS_BE_SRC_QUERY_CODEGEN_LLVM_CODEGEN_H
+#define DORIS_BE_SRC_QUERY_CODEGEN_LLVM_CODEGEN_H
 
 #include <map>
 #include <string>
@@ -37,7 +37,7 @@
 #include "runtime/primitive_type.h"
 #include "exprs/expr.h"
 #include "util/runtime_profile.h"
-#include "palo_ir/palo_ir_functions.h"
+#include "doris_ir/doris_ir_functions.h"
 
 // Forward declare all llvm classes to avoid namespace pollution.
 namespace llvm {
@@ -64,7 +64,7 @@ template<bool preserveName>
 class IRBuilderDefaultInserter;
 }
 
-namespace palo {
+namespace doris {
 
 class SubExprElimination;
 
@@ -113,13 +113,13 @@ public:
     // if 'load_backend', load the backend static object for llvm.  This is needed
     // when libbackend.so is loaded from java.  llvm will be default only look in
     // the current object and not be able to find the backend symbols
-    // TODO: this can probably be removed after Palo refactor where the java
+    // TODO: this can probably be removed after Doris refactor where the java
     // side is not loading the be explicitly anymore.
     static void initialize_llvm(bool load_backend = false);
 
-    // Loads and parses the precompiled palo IR module
+    // Loads and parses the precompiled doris IR module
     // codegen will contain the created object on success.
-    static Status load_palo_ir(
+    static Status load_doris_ir(
         ObjectPool*, const std::string& id, boost::scoped_ptr<LlvmCodeGen>* codegen);
 
     // Removes all jit compiled dynamically linked functions from the process.
@@ -217,7 +217,7 @@ public:
     // compiled IR.  The types we generate at runtime are unnamed.
     // The name is generated by the clang compiler in this form:
     // <class/struct>.<namespace>::<class name>.  For example:
-    // "class.palo::AggregationNode"
+    // "class.doris::AggregationNode"
     llvm::Type* get_type(const std::string& name);
 
     /// Returns the pointer type of the type returned by GetType(name)
@@ -373,7 +373,7 @@ public:
     llvm::Function* get_lib_c_function(FnPrototype* prototype);
 
     // Returns the cross compiled function. IRFunction::Type is an enum which is
-    // defined in 'palo-ir/palo-ir-functions.h'
+    // defined in 'doris-ir/doris-ir-functions.h'
     llvm::Function* get_function(IRFunction::Type);
 
     // Returns the hash function with signature:
@@ -524,7 +524,7 @@ private:
     static Status load_module_from_memory(LlvmCodeGen* codegen, llvm::MemoryBuffer* module_ir,
                                           const std::string& module_name, llvm::Module** module);
 
-    // Load the intrinsics palo needs.  This is a one time initialization.
+    // Load the intrinsics doris needs.  This is a one time initialization.
     // Values are stored in '_llvm_intrinsics'
     Status load_intrinsics();
 
@@ -582,14 +582,14 @@ private:
     boost::mutex _jitted_functions_lock;
 
     // Keeps track of the external functions that have been included in this module
-    // e.g libc functions or non-jitted palo functions.
+    // e.g libc functions or non-jitted doris functions.
     // TODO: this should probably be FnPrototype->Functions mapping
     std::map<std::string, llvm::Function*> _external_functions;
 
-    // Functions parsed from pre-compiled module.  Indexed by PaloIR::Function enum
+    // Functions parsed from pre-compiled module.  Indexed by DorisIR::Function enum
     std::vector<llvm::Function*> _loaded_functions;
 
-    // Stores functions codegen'd by palo.  This does not contain cross compiled
+    // Stores functions codegen'd by doris.  This does not contain cross compiled
     // functions, only function that were generated at runtime.  Does not overlap
     // with _loaded_functions.
     std::vector<llvm::Function*> _codegend_functions;