Alexander_KS/SAPFOR
4
2
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

improved dead code

Browse Source
This commit is contained in:
ALEXks
2024-04-06 18:04:59 +03:00
parent 92bb44560c
commit 92d4c54eaf
3 changed files with 35 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
sapfor/experts/Sapfor_2017/_src/Transformations/dead_code.cpp
View File

@@ -521,42 +521,45 @@ void removeDeadCode(SgStatement* func,
__spf_print(PRINT_USELESS_STATEMENTS, "[Useless statement on line %d and file %s]\n", rem->lineNumber(), rem->fileName());
rem->deleteStmt();
}
remove.clear();
//remove empty blocks
for (auto st = start; st != end; st = st->lexNext())
//remove empty blocks
do
{
const int var = st->variant();
if ((var == FOR_NODE || var == WHILE_NODE || var == SWITCH_NODE) &&
st->lexNext()->variant() == CONTROL_END)
remove.clear();
for (auto st = start; st != end; st = st->lexNext())
{
remove.push_back(st);
}
else if (var == IF_NODE)
{
SgStatement* ifS = st;
while (ifS->lexNext()->variant() == ELSEIF_NODE)
ifS = ifS->lexNext();
SgStatement* lastNode = ifS->lastNodeOfStmt();
ifS = ifS->lexNext();
while (ifS->variant() == CONTROL_END && ifS != lastNode)
ifS = ifS->lexNext();
if(ifS == lastNode)
const int var = st->variant();
if ((var == FOR_NODE || var == WHILE_NODE || var == SWITCH_NODE) &&
st->lexNext()->variant() == CONTROL_END)
{
remove.push_back(st);
}
else if (var == IF_NODE)
{
SgStatement* ifS = st;
while (ifS->lexNext()->variant() == ELSEIF_NODE)
ifS = ifS->lexNext();
SgStatement* lastNode = ifS->lastNodeOfStmt();
ifS = ifS->lexNext();
while (ifS->variant() == CONTROL_END && ifS != lastNode)
ifS = ifS->lexNext();
if (ifS == lastNode)
remove.push_back(st);
}
//TODO: SWITCH and other block statements
}
//TODO: SWITCH and other block statements
}
for (auto& rem : remove)
{
__spf_print(PRINT_USELESS_STATEMENTS, "[Useless block statement on line %d and file %s]\n", rem->lineNumber(), rem->fileName());
rem->deleteStmt();
}
for (auto& rem : remove)
{
__spf_print(PRINT_USELESS_STATEMENTS, "[Useless block statement on line %d and file %s]\n", rem->lineNumber(), rem->fileName());
rem->deleteStmt();
}
} while (remove.size());
deleteCFG(cfg);
}

2
sapfor/experts/Sapfor_2017/_src/Utils/PassManager.h
View File

@@ -291,7 +291,7 @@ void InitPassesDependencies(map<passes, vector<passes>> &passDepsIn, set<passes>
list({ CALL_GRAPH2, REVERT_SUBST_EXPR_RD, CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN }) <= list({ DUPLICATE_FUNCTIONS, REMOVE_UNUSED_FUNCTIONS });
list({ CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN }) <= list({ LOOPS_SPLITTER, LOOPS_COMBINER, PRIVATE_ARRAYS_EXPANSION, PRIVATE_ARRAYS_SHRINKING, CREATE_PARALLEL_REGIONS, PURE_SAVE_TO_PARAMS, PURE_MODULE_TO_PARAMS, PURE_COMMON_TO_PARAMS, PURE_INTENT_INSERT });
list({ CONVERT_LOOP_TO_ASSIGN, RESTORE_LOOP_FROM_ASSIGN }) <= list({ LOOPS_SPLITTER, LOOPS_COMBINER, PRIVATE_ARRAYS_EXPANSION, PRIVATE_ARRAYS_SHRINKING, CREATE_PARALLEL_REGIONS, PURE_SAVE_TO_PARAMS, PURE_MODULE_TO_PARAMS, PURE_COMMON_TO_PARAMS, PURE_INTENT_INSERT, PRIVATE_REMOVING });
list({ GET_ALL_ARRAY_DECL, FILL_PARALLEL_REG_IR }) <= Pass(CONVERT_ASSIGN_TO_LOOP);

2
sapfor/experts/Sapfor_2017/_src/Utils/version.h
View File

@@ -1,3 +1,3 @@
#pragma once
#define VERSION_SPF "2304"
#define VERSION_SPF "2305"