fix combine mlir for llama2

Author: PhaneeshB

apps/language_models/scripts/vicuna.py

@@ -244,7 +244,8 @@ def combine_mlir_scripts(
         print(f"[DEBUG] output_name = {output_name}")
         maps1 = []
         maps2 = []
-        constants = set()
+        constants_1 = set()
+        constants_2 = set()
         f1 = []
         f2 = []
 
@@ -255,7 +256,7 @@ def combine_mlir_scripts(
             if re.search("#map\d*\s*=", line):
                 maps1.append(line)
             elif re.search("arith.constant", line):
-                constants.add(line)
+                constants_1.add(line)
             elif not re.search("module", line):
                 line = re.sub("forward", "first_vicuna_forward", line)
                 f1.append(line)
@@ -281,7 +282,7 @@ def combine_mlir_scripts(
             elif "global_seed" in line:
                 continue
             elif re.search("arith.constant", line):
-                constants.add(line)
+                constants_2.add(line)
             elif not re.search("module", line):
                 line = re.sub("forward", "second_vicuna_forward", line)
                 f2.append(line)
@@ -304,15 +305,21 @@ def combine_mlir_scripts(
         module_end = "}"
 
         global_vars = []
-        vnames = []
-        global_var_loading1 = []
-        global_var_loading2 = []
+        global_var_loading1 = dict()
+        global_var_loading2 = dict()
 
         print(f"[DEBUG] processing constants")
-        counter = 0
-        constants = list(constants)
+        # in both 1 and 2
+        constants = [(e , "") for e in list(constants_1 & constants_2)]
+        # only in 1
+        constants.extend([(e, "_1") for e in list(constants_1.difference(constants_2))])
+        # only in 2
+        constants.extend([(e, "_2") for e in list(constants_2.difference(constants_1))])
+        del constants_1, constants_2
+        gc.collect()
+
         while constants:
-            constant = constants.pop(0)
+            constant, vname_suf = constants.pop(0)
             vname, vbody = constant.split("=")
             vname = re.sub("%", "", vname)
             vname = vname.strip()
@@ -322,43 +329,42 @@ def combine_mlir_scripts(
                 print(constant)
             vdtype = vbody.split(":")[-1].strip()
             fixed_vdtype = vdtype
-            noinline = "{noinline}" if "tensor" in fixed_vdtype else ""
-            if "c1_i64" in vname:
-                print(constant)
-                counter += 1
-            if counter == 2:
-                counter = 0
-                print("detected duplicate")
-                continue
-            vnames.append(vname)
             if "true" not in vname:
                 global_vars.append(
-                    f"ml_program.global private @{vname}({vbody}) : {fixed_vdtype}"
-                )
-                global_var_loading1.append(
-                    f"\t\t%{vname} = ml_program.global_load_const @{vname} : {fixed_vdtype}"
-                )
-                global_var_loading2.append(
-                    f"\t\t%{vname} = ml_program.global_load_const @{vname} : {fixed_vdtype}"
+                    f"ml_program.global private @{vname}{vname_suf}({vbody}) : {fixed_vdtype}"
                 )
+                if vname_suf != "_2":
+                    global_var_loading1[
+                        f"\t\t%{vname} = ml_program.global_load_const @{vname}{vname_suf} : {fixed_vdtype}"
+                    ] = ""
+                if vname_suf != "_1":
+                    global_var_loading2[
+                        f"\t\t%{vname} = ml_program.global_load_const @{vname}{vname_suf} : {fixed_vdtype}"
+                    ] = ""
             else:
                 global_vars.append(
-                    f"ml_program.global private @{vname}({vbody}) : i1"
-                )
-                global_var_loading1.append(
-                    f"\t\t%{vname} = ml_program.global_load_const @{vname} : i1"
-                )
-                global_var_loading2.append(
-                    f"\t\t%{vname} = ml_program.global_load_const @{vname} : i1"
+                    f"ml_program.global private @{vname}{vname_suf}({vbody}) : i1"
                 )
+                if vname_suf != "_2":
+                    global_var_loading1[
+                        f"\t\t%{vname} = ml_program.global_load_const @{vname}{vname_suf} : i1"
+                    ] = ""
+                if vname_suf != "_1":
+                    global_var_loading2[
+                        f"\t\t%{vname} = ml_program.global_load_const @{vname}{vname_suf} : i1"
+                    ] = ""
+
+        del constants
+        gc.collect()
+
 
         new_f1, new_f2 = [], []
 
         print(f"[DEBUG] processing f1")
         for line in f1:
             if "func.func" in line:
                 new_f1.append(line)
-                for global_var in global_var_loading1:
+                for global_var in global_var_loading1.keys():
                     new_f1.append(global_var)
             else:
                 new_f1.append(line)
@@ -367,7 +373,7 @@ def combine_mlir_scripts(
         for line in f2:
             if "func.func" in line:
                 new_f2.append(line)
-                for global_var in global_var_loading2:
+                for global_var in global_var_loading2.keys():
                     if (
                         "c20_i64 = arith.addi %dim_i64, %c1_i64 : i64"
                         in global_var