// Propagate definitions of a variable to its uses.
// Assumptions: var is only assigned at the top level of body
// nothing var depends on is assigned within body
// Very simple algorithm designed to only handle simplest cases
void simpleUndoFiniteDifferencingOne(SgBasicBlock* body, SgExpression* var)
{
SgExpression* value = 0;
SgStatementPtrList& stmts = body->get_statements();
vector<SgStatement*> stmts_to_remove;
for (SgStatementPtrList::iterator i = stmts.begin(); i != stmts.end(); ++i)
{
// cout << "Next statement: value = " << (value ? value->unparseToString() : "(null)") << endl;
// cout << (*i)->unparseToString() << endl;
if (isSgExprStatement(*i) && isSgAssignOp(isSgExprStatement(*i)->get_expression()))
{
SgAssignOp* assignment = isSgAssignOp(isSgExprStatement(*i)->get_expression());
// cout << "In assignment statement " << assignment->unparseToString() << endl;
if (value)
replaceCopiesOfExpression(var, value, assignment->get_rhs_operand());
if (isSgVarRefExp(assignment->get_lhs_operand()) && isSgVarRefExp(var))
{
SgVarRefExp* vr = isSgVarRefExp(assignment->get_lhs_operand());
if (vr->get_symbol()->get_declaration() == isSgVarRefExp(var)->get_symbol()->get_declaration())
{
value = assignment->get_rhs_operand();
stmts_to_remove.push_back(*i);
}
}
}
else
{
if (value)
replaceCopiesOfExpression(var, value, *i);
}
}
for (vector<SgStatement*>::iterator i = stmts_to_remove.begin(); i != stmts_to_remove.end(); ++i) {
stmts.erase(std::find(stmts.begin(), stmts.end(), *i));
}
if (value)
{
// DQ (12/17/2006): Separate out the construction of the SgAssignOp from the SgExprStatement to support debugging and testing.
// stmts.push_back(new SgExprStatement(SgNULL_FILE, new SgAssignOp(SgNULL_FILE, var, value)));
var->set_lvalue(true);
SgAssignOp* assignmentOperator = new SgAssignOp(SgNULL_FILE, var, value);
var->set_parent(assignmentOperator);
value->set_parent(assignmentOperator);
printf ("In simpleUndoFiniteDifferencingOne(): assignmentOperator = %p \n",assignmentOperator);
// DQ: Note that the parent of the SgExprStatement will be set in AST post-processing (or it should be).
SgExprStatement* es = new SgExprStatement(SgNULL_FILE, assignmentOperator);
assignmentOperator->set_parent(es);
stmts.push_back(es);
es->set_parent(body);
}
}
// Main inliner code. Accepts a function call as a parameter, and inlines
// only that single function call. Returns true if it succeeded, and false
// otherwise. The function call must be to a named function, static member
// function, or non-virtual non-static member function, and the function
// must be known (not through a function pointer or member function
// pointer). Also, the body of the function must already be visible.
// Recursive procedures are handled properly (when allowRecursion is set), by
// inlining one copy of the procedure into itself. Any other restrictions on
// what can be inlined are bugs in the inliner code.
bool
doInline(SgFunctionCallExp* funcall, bool allowRecursion)
{
#if 0
// DQ (4/6/2015): Adding code to check for consitancy of checking the isTransformed flag.
ROSE_ASSERT(funcall != NULL);
ROSE_ASSERT(funcall->get_parent() != NULL);
SgGlobal* globalScope = TransformationSupport::getGlobalScope(funcall);
ROSE_ASSERT(globalScope != NULL);
// checkTransformedFlagsVisitor(funcall->get_parent());
checkTransformedFlagsVisitor(globalScope);
#endif
SgExpression* funname = funcall->get_function();
SgExpression* funname2 = isSgFunctionRefExp(funname);
SgDotExp* dotexp = isSgDotExp(funname);
SgArrowExp* arrowexp = isSgArrowExp(funname);
SgExpression* thisptr = 0;
if (dotexp || arrowexp)
{
funname2 = isSgBinaryOp(funname)->get_rhs_operand();
if (dotexp) {
SgExpression* lhs = dotexp->get_lhs_operand();
// FIXME -- patch this into p_lvalue
bool is_lvalue = lhs->get_lvalue();
if (isSgInitializer(lhs)) is_lvalue = false;
if (!is_lvalue) {
SgAssignInitializer* ai = SageInterface::splitExpression(lhs);
ROSE_ASSERT (isSgInitializer(ai->get_operand()));
#if 1
printf ("ai = %p ai->isTransformation() = %s \n",ai,ai->isTransformation() ? "true" : "false");
#endif
SgInitializedName* in = isSgInitializedName(ai->get_parent());
ROSE_ASSERT (in);
removeRedundantCopyInConstruction(in);
lhs = dotexp->get_lhs_operand(); // Should be a var ref now
}
thisptr = new SgAddressOfOp(SgNULL_FILE, lhs);
} else if (arrowexp) {
thisptr = arrowexp->get_lhs_operand();
} else {
assert (false);
}
}
if (!funname2)
{
// std::cout << "Inline failed: not a call to a named function" << std::endl;
return false; // Probably a call through a fun ptr
}
SgFunctionSymbol* funsym = 0;
if (isSgFunctionRefExp(funname2))
funsym = isSgFunctionRefExp(funname2)->get_symbol();
else
if (isSgMemberFunctionRefExp(funname2))
funsym = isSgMemberFunctionRefExp(funname2)->get_symbol();
else
assert (false);
assert (funsym);
if (isSgMemberFunctionSymbol(funsym) &&
isSgMemberFunctionSymbol(funsym)->get_declaration()->get_functionModifier().isVirtual())
{
// std::cout << "Inline failed: cannot inline virtual member functions" << std::endl;
return false;
}
SgFunctionDeclaration* fundecl = funsym->get_declaration();
fundecl = fundecl ? isSgFunctionDeclaration(fundecl->get_definingDeclaration()) : NULL;
SgFunctionDefinition* fundef = fundecl ? fundecl->get_definition() : NULL;
if (!fundef)
{
// std::cout << "Inline failed: no definition is visible" << std::endl;
return false; // No definition of the function is visible
}
if (!allowRecursion)
{
SgNode* my_fundef = funcall;
while (my_fundef && !isSgFunctionDefinition(my_fundef))
{
// printf ("Before reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
my_fundef = my_fundef->get_parent();
ROSE_ASSERT(my_fundef != NULL);
// printf ("After reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
}
// printf ("After reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
assert (isSgFunctionDefinition(my_fundef));
if (isSgFunctionDefinition(my_fundef) == fundef)
{
std::cout << "Inline failed: trying to inline a procedure into itself" << std::endl;
return false;
}
}
SgVariableDeclaration* thisdecl = 0;
SgName thisname("this__");
thisname << ++gensym_counter;
SgInitializedName* thisinitname = 0;
if (isSgMemberFunctionSymbol(funsym) && !fundecl->get_declarationModifier().get_storageModifier().isStatic())
{
assert (thisptr != NULL);
SgType* thisptrtype = thisptr->get_type();
const SgSpecialFunctionModifier& specialMod =
funsym->get_declaration()->get_specialFunctionModifier();
if (specialMod.isConstructor()) {
SgFunctionType* ft = funsym->get_declaration()->get_type();
ROSE_ASSERT (ft);
SgMemberFunctionType* mft = isSgMemberFunctionType(ft);
ROSE_ASSERT (mft);
SgType* ct = mft->get_class_type();
thisptrtype = new SgPointerType(ct);
}
SgConstVolatileModifier& thiscv = fundecl->get_declarationModifier().get_typeModifier().get_constVolatileModifier();
// if (thiscv.isConst() || thiscv.isVolatile()) { FIXME
thisptrtype = new SgModifierType(thisptrtype);
isSgModifierType(thisptrtype)->get_typeModifier().get_constVolatileModifier() = thiscv;
// }
// cout << thisptrtype->unparseToString() << " --- " << thiscv.isConst() << " " << thiscv.isVolatile() << endl;
SgAssignInitializer* assignInitializer = new SgAssignInitializer(SgNULL_FILE, thisptr);
assignInitializer->set_endOfConstruct(SgNULL_FILE);
#if 1
printf ("before new SgVariableDeclaration(): assignInitializer = %p assignInitializer->isTransformation() = %s \n",assignInitializer,assignInitializer->isTransformation() ? "true" : "false");
#endif
thisdecl = new SgVariableDeclaration(SgNULL_FILE, thisname, thisptrtype, assignInitializer);
#if 1
printf ("(after new SgVariableDeclaration(): assignInitializer = %p assignInitializer->isTransformation() = %s \n",assignInitializer,assignInitializer->isTransformation() ? "true" : "false");
#endif
thisdecl->set_endOfConstruct(SgNULL_FILE);
thisdecl->get_definition()->set_endOfConstruct(SgNULL_FILE);
thisdecl->set_definingDeclaration(thisdecl);
thisinitname = (thisdecl->get_variables()).back();
//thisinitname = lastElementOfContainer(thisdecl->get_variables());
// thisinitname->set_endOfConstruct(SgNULL_FILE);
assignInitializer->set_parent(thisinitname);
markAsTransformation(assignInitializer);
// printf ("Built new SgVariableDeclaration #1 = %p \n",thisdecl);
// DQ (6/23/2006): New test
ROSE_ASSERT(assignInitializer->get_parent() != NULL);
}
// Get the list of actual argument expressions from the function call, which we'll later use to initialize new local
// variables in the inlined code. We need to detach the actual arguments from the AST here since we'll be reattaching
// them below (otherwise we would violate the invariant that the AST is a tree).
SgFunctionDefinition* targetFunction = PRE::getFunctionDefinition(funcall);
SgExpressionPtrList funargs = funcall->get_args()->get_expressions();
funcall->get_args()->get_expressions().clear();
BOOST_FOREACH (SgExpression *actual, funargs)
actual->set_parent(NULL);
// Make a copy of the to-be-inlined function so we're not modifying and (re)inserting the original.
SgBasicBlock* funbody_raw = fundef->get_body();
SgInitializedNamePtrList& params = fundecl->get_args();
std::vector<SgInitializedName*> inits;
SgTreeCopy tc;
SgFunctionDefinition* function_copy = isSgFunctionDefinition(fundef->copy(tc));
ROSE_ASSERT (function_copy);
SgBasicBlock* funbody_copy = function_copy->get_body();
renameLabels(funbody_copy, targetFunction);
ASSERT_require(funbody_raw->get_symbol_table()->size() == funbody_copy->get_symbol_table()->size());
// We don't need to keep the copied SgFunctionDefinition now that the labels in it have been moved to the target function
// (having it in the memory pool confuses the AST tests), but we must not delete the formal argument list or the body
// because we need them below.
if (function_copy->get_declaration()) {
ASSERT_require(function_copy->get_declaration()->get_parent() == function_copy);
function_copy->get_declaration()->set_parent(NULL);
function_copy->set_declaration(NULL);
}
if (function_copy->get_body()) {
ASSERT_require(function_copy->get_body()->get_parent() == function_copy);
function_copy->get_body()->set_parent(NULL);
function_copy->set_body(NULL);
}
delete function_copy;
function_copy = NULL;
#if 0
SgPragma* pragmaBegin = new SgPragma("start_of_inline_function", SgNULL_FILE);
SgPragmaDeclaration* pragmaBeginDecl = new SgPragmaDeclaration(SgNULL_FILE, pragmaBegin);
pragmaBeginDecl->set_endOfConstruct(SgNULL_FILE);
pragmaBegin->set_parent(pragmaBeginDecl);
pragmaBeginDecl->set_definingDeclaration(pragmaBeginDecl);
funbody_copy->prepend_statement(pragmaBeginDecl);
pragmaBeginDecl->set_parent(funbody_copy);
#endif
// In the to-be-inserted function body, create new local variables with distinct non-conflicting names, one per formal
// argument and having the same type as the formal argument. Initialize those new local variables with the actual
// arguments. Also, build a paramMap that maps each formal argument (SgInitializedName) to its corresponding new local
// variable (SgVariableSymbol).
ReplaceParameterUseVisitor::paramMapType paramMap;
SgInitializedNamePtrList::iterator formalIter = params.begin();
SgExpressionPtrList::iterator actualIter = funargs.begin();
for (size_t argNumber=0;
formalIter != params.end() && actualIter != funargs.end();
++argNumber, ++formalIter, ++actualIter) {
SgInitializedName *formalArg = *formalIter;
SgExpression *actualArg = *actualIter;
// Build the new local variable.
// FIXME[Robb P. Matzke 2014-12-12]: we need a better way to generate a non-conflicting local variable name
SgAssignInitializer* initializer = new SgAssignInitializer(SgNULL_FILE, actualArg, formalArg->get_type());
ASSERT_not_null(initializer);
initializer->set_endOfConstruct(SgNULL_FILE);
#if 1
printf ("initializer = %p initializer->isTransformation() = %s \n",initializer,initializer->isTransformation() ? "true" : "false");
#endif
SgName shadow_name(formalArg->get_name());
shadow_name << "__" << ++gensym_counter;
SgVariableDeclaration* vardecl = new SgVariableDeclaration(SgNULL_FILE, shadow_name, formalArg->get_type(), initializer);
vardecl->set_definingDeclaration(vardecl);
vardecl->set_endOfConstruct(SgNULL_FILE);
vardecl->get_definition()->set_endOfConstruct(SgNULL_FILE);
vardecl->set_parent(funbody_copy);
// Insert the new local variable into the (near) beginning of the to-be-inserted function body. We insert them in the
// order their corresponding actuals/formals appear, although the C++ standard does not require this order of
// evaluation.
SgInitializedName* init = vardecl->get_variables().back();
inits.push_back(init);
initializer->set_parent(init);
init->set_scope(funbody_copy);
funbody_copy->get_statements().insert(funbody_copy->get_statements().begin() + argNumber, vardecl);
SgVariableSymbol* sym = new SgVariableSymbol(init);
paramMap[formalArg] = sym;
funbody_copy->insert_symbol(shadow_name, sym);
sym->set_parent(funbody_copy->get_symbol_table());
}
// Similarly for "this". We create a local variable in the to-be-inserted function body that will be initialized with the
// caller's "this".
if (thisdecl) {
thisdecl->set_parent(funbody_copy);
thisinitname->set_scope(funbody_copy);
funbody_copy->get_statements().insert(funbody_copy->get_statements().begin(), thisdecl);
SgVariableSymbol* thisSym = new SgVariableSymbol(thisinitname);
funbody_copy->insert_symbol(thisname, thisSym);
thisSym->set_parent(funbody_copy->get_symbol_table());
ReplaceThisWithRefVisitor(thisSym).traverse(funbody_copy, postorder);
}
ReplaceParameterUseVisitor(paramMap).traverse(funbody_copy, postorder);
SgName end_of_inline_name = "rose_inline_end__";
end_of_inline_name << ++gensym_counter;
SgLabelStatement* end_of_inline_label = new SgLabelStatement(SgNULL_FILE, end_of_inline_name);
end_of_inline_label->set_endOfConstruct(SgNULL_FILE);
#if 0
printf ("\n\nCalling AST copy mechanism on a SgBasicBlock \n");
// Need to set the parent of funbody_copy to avoid error.
funbody_copy->set_parent(funbody_raw->get_parent());
printf ("This is a copy of funbody_raw = %p to build funbody_copy = %p \n",funbody_raw,funbody_copy);
printf ("funbody_raw->get_statements().size() = %" PRIuPTR " \n",funbody_raw->get_statements().size());
printf ("funbody_copy->get_statements().size() = %" PRIuPTR " \n",funbody_copy->get_statements().size());
printf ("funbody_raw->get_symbol_table()->size() = %d \n",(int)funbody_raw->get_symbol_table()->size());
printf ("funbody_copy->get_symbol_table()->size() = %d \n",(int)funbody_copy->get_symbol_table()->size());
printf ("Output the symbol table for funbody_raw \n");
funbody_raw->get_symbol_table()->print("debugging copy problem");
// printf ("Output the symbol table for funbody_copy \n");
// funbody_copy->get_symbol_table()->print("debugging copy problem");
SgProject* project_copy = TransformationSupport::getProject(funbody_raw);
ROSE_ASSERT(project_copy != NULL);
const int MAX_NUMBER_OF_IR_NODES_TO_GRAPH_FOR_WHOLE_GRAPH = 4000;
generateAstGraph(project_copy,MAX_NUMBER_OF_IR_NODES_TO_GRAPH_FOR_WHOLE_GRAPH);
#endif
funbody_copy->append_statement(end_of_inline_label);
end_of_inline_label->set_scope(targetFunction);
SgLabelSymbol* end_of_inline_label_sym = new SgLabelSymbol(end_of_inline_label);
end_of_inline_label_sym->set_parent(targetFunction->get_symbol_table());
targetFunction->get_symbol_table()->insert(end_of_inline_label->get_name(), end_of_inline_label_sym);
// To ensure that there is some statement after the label
SgExprStatement* dummyStatement = SageBuilder::buildExprStatement(SageBuilder::buildNullExpression());
dummyStatement->set_endOfConstruct(SgNULL_FILE);
funbody_copy->append_statement(dummyStatement);
dummyStatement->set_parent(funbody_copy);
#if 0
SgPragma* pragmaEnd = new SgPragma("end_of_inline_function", SgNULL_FILE);
SgPragmaDeclaration* pragmaEndDecl = new SgPragmaDeclaration(SgNULL_FILE, pragmaEnd);
pragmaEndDecl->set_endOfConstruct(SgNULL_FILE);
pragmaEnd->set_parent(pragmaEndDecl);
pragmaEndDecl->set_definingDeclaration(pragmaEndDecl);
funbody_copy->append_statement(pragmaEndDecl);
pragmaEndDecl->set_parent(funbody_copy);
#endif
ChangeReturnsToGotosPrevisitor previsitor = ChangeReturnsToGotosPrevisitor(end_of_inline_label, funbody_copy);
replaceExpressionWithStatement(funcall, &previsitor);
// Make sure the AST is consistent. To save time, we'll just fix things that we know can go wrong. For instance, the
// SgAsmExpression.p_lvalue data member is required to be true for certain operators and is set to false in other
// situations. Since we've introduced new expressions into the AST we need to adjust their p_lvalue according to the
// operators where they were inserted.
markLhsValues(targetFunction);
#ifdef NDEBUG
AstTests::runAllTests(SageInterface::getProject());
#endif
#if 0
// DQ (4/6/2015): Adding code to check for consitancy of checking the isTransformed flag.
ROSE_ASSERT(funcall != NULL);
ROSE_ASSERT(funcall->get_parent() != NULL);
ROSE_ASSERT(globalScope != NULL);
// checkTransformedFlagsVisitor(funcall->get_parent());
checkTransformedFlagsVisitor(globalScope);
#endif
// DQ (4/7/2015): This fixes something I was required to fix over the weekend and which is fixed more directly, I think.
// Mark the things we insert as being transformations so they get inserted into the output by backend()
markAsTransformation(funbody_copy);
return true;
}
// Main inliner code. Accepts a function call as a parameter, and inlines
// only that single function call. Returns true if it succeeded, and false
// otherwise. The function call must be to a named function, static member
// function, or non-virtual non-static member function, and the function
// must be known (not through a function pointer or member function
// pointer). Also, the body of the function must already be visible.
// Recursive procedures are handled properly (when allowRecursion is set), by
// inlining one copy of the procedure into itself. Any other restrictions on
// what can be inlined are bugs in the inliner code.
bool
doInline(SgFunctionCallExp* funcall, bool allowRecursion)
{
SgExpression* funname = funcall->get_function();
SgExpression* funname2 = isSgFunctionRefExp(funname);
SgDotExp* dotexp = isSgDotExp(funname);
SgArrowExp* arrowexp = isSgArrowExp(funname);
SgExpression* thisptr = 0;
if (dotexp || arrowexp)
{
funname2 = isSgBinaryOp(funname)->get_rhs_operand();
if (dotexp) {
SgExpression* lhs = dotexp->get_lhs_operand();
// FIXME -- patch this into p_lvalue
bool is_lvalue = lhs->get_lvalue();
if (isSgInitializer(lhs)) is_lvalue = false;
if (!is_lvalue) {
SgAssignInitializer* ai = SageInterface::splitExpression(lhs);
ROSE_ASSERT (isSgInitializer(ai->get_operand()));
SgInitializedName* in = isSgInitializedName(ai->get_parent());
ROSE_ASSERT (in);
removeRedundantCopyInConstruction(in);
lhs = dotexp->get_lhs_operand(); // Should be a var ref now
}
thisptr = new SgAddressOfOp(SgNULL_FILE, lhs);
} else if (arrowexp) {
thisptr = arrowexp->get_lhs_operand();
} else {
assert (false);
}
}
if (!funname2)
{
// std::cout << "Inline failed: not a call to a named function" << std::endl;
return false; // Probably a call through a fun ptr
}
SgFunctionSymbol* funsym = 0;
if (isSgFunctionRefExp(funname2))
funsym = isSgFunctionRefExp(funname2)->get_symbol();
else if (isSgMemberFunctionRefExp(funname2))
funsym = isSgMemberFunctionRefExp(funname2)->get_symbol();
else
assert (false);
assert (funsym);
if (isSgMemberFunctionSymbol(funsym) && isSgMemberFunctionSymbol(funsym)->get_declaration()->get_functionModifier().isVirtual())
{
// std::cout << "Inline failed: cannot inline virtual member functions" << std::endl;
return false;
}
SgFunctionDeclaration* fundecl = funsym->get_declaration();
SgFunctionDefinition* fundef = fundecl->get_definition();
if (!fundef)
{
// std::cout << "Inline failed: no definition is visible" << std::endl;
return false; // No definition of the function is visible
}
if (!allowRecursion)
{
SgNode* my_fundef = funcall;
while (my_fundef && !isSgFunctionDefinition(my_fundef))
{
// printf ("Before reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
my_fundef = my_fundef->get_parent();
ROSE_ASSERT(my_fundef != NULL);
// printf ("After reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
}
// printf ("After reset: my_fundef = %p = %s \n",my_fundef,my_fundef->class_name().c_str());
assert (isSgFunctionDefinition(my_fundef));
if (isSgFunctionDefinition(my_fundef) == fundef)
{
std::cout << "Inline failed: trying to inline a procedure into itself" << std::endl;
return false;
}
}
SgVariableDeclaration* thisdecl = 0;
SgName thisname("this__");
thisname << ++gensym_counter;
SgInitializedName* thisinitname = 0;
if (isSgMemberFunctionSymbol(funsym) && !fundecl->get_declarationModifier().get_storageModifier().isStatic())
{
assert (thisptr != NULL);
SgType* thisptrtype = thisptr->get_type();
const SgSpecialFunctionModifier& specialMod =
funsym->get_declaration()->get_specialFunctionModifier();
if (specialMod.isConstructor()) {
SgFunctionType* ft = funsym->get_declaration()->get_type();
ROSE_ASSERT (ft);
SgMemberFunctionType* mft = isSgMemberFunctionType(ft);
ROSE_ASSERT (mft);
SgType* ct = mft->get_class_type();
thisptrtype = new SgPointerType(ct);
}
SgConstVolatileModifier& thiscv = fundecl->get_declarationModifier().get_typeModifier().get_constVolatileModifier();
// if (thiscv.isConst() || thiscv.isVolatile()) { FIXME
thisptrtype = new SgModifierType(thisptrtype);
isSgModifierType(thisptrtype)->get_typeModifier().get_constVolatileModifier() = thiscv;
// }
// cout << thisptrtype->unparseToString() << " --- " << thiscv.isConst() << " " << thiscv.isVolatile() << endl;
SgAssignInitializer* assignInitializer = new SgAssignInitializer(SgNULL_FILE, thisptr);
assignInitializer->set_endOfConstruct(SgNULL_FILE);
// thisdecl = new SgVariableDeclaration(SgNULL_FILE, thisname, thisptrtype, new SgAssignInitializer(SgNULL_FILE, thisptr));
thisdecl = new SgVariableDeclaration(SgNULL_FILE, thisname, thisptrtype, assignInitializer);
thisdecl->set_endOfConstruct(SgNULL_FILE);
thisdecl->get_definition()->set_endOfConstruct(SgNULL_FILE);
thisdecl->set_definingDeclaration(thisdecl);
thisinitname = (thisdecl->get_variables()).back();
//thisinitname = lastElementOfContainer(thisdecl->get_variables());
// thisinitname->set_endOfConstruct(SgNULL_FILE);
assignInitializer->set_parent(thisinitname);
// printf ("Built new SgVariableDeclaration #1 = %p \n",thisdecl);
// DQ (6/23/2006): New test
ROSE_ASSERT(assignInitializer->get_parent() != NULL);
}
std::cout << "Trying to inline function " << fundecl->get_name().str() << std::endl;
SgBasicBlock* funbody_raw = fundef->get_body();
SgInitializedNamePtrList& params = fundecl->get_args();
SgInitializedNamePtrList::iterator i;
SgExpressionPtrList& funargs = funcall->get_args()->get_expressions();
SgExpressionPtrList::iterator j;
//int ctr; // unused variable, Liao
std::vector<SgInitializedName*> inits;
SgTreeCopy tc;
SgFunctionDefinition* function_copy = isSgFunctionDefinition(fundef->copy(tc));
ROSE_ASSERT (function_copy);
SgBasicBlock* funbody_copy = function_copy->get_body();
SgFunctionDefinition* targetFunction = PRE::getFunctionDefinition(funcall);
renameLabels(funbody_copy, targetFunction);
std::cout << "Original symbol count: " << funbody_raw->get_symbol_table()->size() << std::endl;
std::cout << "Copied symbol count: " << funbody_copy->get_symbol_table()->size() << std::endl;
// std::cout << "Original symbol count f: " << fundef->get_symbol_table()->size() << std::endl;
// std::cout << "Copied symbol count f: " << function_copy->get_symbol_table()->size() << std::endl;
// We don't need to keep the copied function definition now that the
// labels in it have been moved to the target function. Having it in the
// memory pool confuses the AST tests.
function_copy->set_declaration(NULL);
function_copy->set_body(NULL);
delete function_copy;
function_copy = NULL;
#if 0
SgPragma* pragmaBegin = new SgPragma("start_of_inline_function", SgNULL_FILE);
SgPragmaDeclaration* pragmaBeginDecl = new SgPragmaDeclaration(SgNULL_FILE, pragmaBegin);
pragmaBeginDecl->set_endOfConstruct(SgNULL_FILE);
pragmaBegin->set_parent(pragmaBeginDecl);
pragmaBeginDecl->set_definingDeclaration(pragmaBeginDecl);
funbody_copy->prepend_statement(pragmaBeginDecl);
pragmaBeginDecl->set_parent(funbody_copy);
#endif
ReplaceParameterUseVisitor::paramMapType paramMap;
for (i = params.begin(), j = funargs.begin(); i != params.end() && j != funargs.end(); ++i, ++j)
{
SgAssignInitializer* ai = new SgAssignInitializer(SgNULL_FILE, *j, (*i)->get_type());
ROSE_ASSERT(ai != NULL);
ai->set_endOfConstruct(SgNULL_FILE);
SgName shadow_name((*i)->get_name());
shadow_name << "__" << ++gensym_counter;
SgVariableDeclaration* vardecl = new SgVariableDeclaration(SgNULL_FILE,shadow_name,(*i)->get_type(),ai);
vardecl->set_definingDeclaration(vardecl);
vardecl->set_endOfConstruct(SgNULL_FILE);
vardecl->get_definition()->set_endOfConstruct(SgNULL_FILE);
printf ("Built new SgVariableDeclaration #2 = %p = %s initializer = %p \n",vardecl,shadow_name.str(),(*(vardecl->get_variables().begin()))->get_initializer());
vardecl->set_parent(funbody_copy);
SgInitializedName* init = (vardecl->get_variables()).back();
// init->set_endOfConstruct(SgNULL_FILE);
inits.push_back(init);
ai->set_parent(init);
init->set_scope(funbody_copy);
funbody_copy->get_statements().insert(funbody_copy->get_statements().begin() + (i - params.begin()), vardecl);
SgVariableSymbol* sym = new SgVariableSymbol(init);
paramMap[*i] = sym;
funbody_copy->insert_symbol(shadow_name, sym);
sym->set_parent(funbody_copy->get_symbol_table());
}
if (thisdecl)
{
thisdecl->set_parent(funbody_copy);
thisinitname->set_scope(funbody_copy);
funbody_copy->get_statements().insert(funbody_copy->get_statements().begin(), thisdecl);
SgVariableSymbol* thisSym = new SgVariableSymbol(thisinitname);
funbody_copy->insert_symbol(thisname, thisSym);
thisSym->set_parent(funbody_copy->get_symbol_table());
ReplaceThisWithRefVisitor(thisSym).traverse(funbody_copy, postorder);
}
ReplaceParameterUseVisitor(paramMap).traverse(funbody_copy, postorder);
SgName end_of_inline_name = "rose_inline_end__";
end_of_inline_name << ++gensym_counter;
SgLabelStatement* end_of_inline_label = new SgLabelStatement(SgNULL_FILE, end_of_inline_name);
end_of_inline_label->set_endOfConstruct(SgNULL_FILE);
#if 0
printf ("\n\nCalling AST copy mechanism on a SgBasicBlock \n");
// Need to set the parent of funbody_copy to avoid error.
funbody_copy->set_parent(funbody_raw->get_parent());
printf ("This is a copy of funbody_raw = %p to build funbody_copy = %p \n",funbody_raw,funbody_copy);
printf ("funbody_raw->get_statements().size() = %zu \n",funbody_raw->get_statements().size());
printf ("funbody_copy->get_statements().size() = %zu \n",funbody_copy->get_statements().size());
printf ("funbody_raw->get_symbol_table()->size() = %d \n",(int)funbody_raw->get_symbol_table()->size());
printf ("funbody_copy->get_symbol_table()->size() = %d \n",(int)funbody_copy->get_symbol_table()->size());
printf ("Output the symbol table for funbody_raw \n");
funbody_raw->get_symbol_table()->print("debugging copy problem");
// printf ("Output the symbol table for funbody_copy \n");
// funbody_copy->get_symbol_table()->print("debugging copy problem");
SgProject* project_copy = TransformationSupport::getProject(funbody_raw);
ROSE_ASSERT(project_copy != NULL);
const int MAX_NUMBER_OF_IR_NODES_TO_GRAPH_FOR_WHOLE_GRAPH = 4000;
generateAstGraph(project_copy,MAX_NUMBER_OF_IR_NODES_TO_GRAPH_FOR_WHOLE_GRAPH);
#endif
// printf ("Exiting as a test after testing the symbol table \n");
// ROSE_ASSERT(false);
funbody_copy->append_statement(end_of_inline_label);
end_of_inline_label->set_scope(targetFunction);
SgLabelSymbol* end_of_inline_label_sym = new SgLabelSymbol(end_of_inline_label);
end_of_inline_label_sym->set_parent(targetFunction->get_symbol_table());
targetFunction->get_symbol_table()->insert(end_of_inline_label->get_name(), end_of_inline_label_sym);
// To ensure that there is some statement after the label
SgExprStatement* dummyStatement = SageBuilder::buildExprStatement(SageBuilder::buildNullExpression());
dummyStatement->set_endOfConstruct(SgNULL_FILE);
funbody_copy->append_statement(dummyStatement);
dummyStatement->set_parent(funbody_copy);
#if 0
SgPragma* pragmaEnd = new SgPragma("end_of_inline_function", SgNULL_FILE);
SgPragmaDeclaration* pragmaEndDecl = new SgPragmaDeclaration(SgNULL_FILE, pragmaEnd);
pragmaEndDecl->set_endOfConstruct(SgNULL_FILE);
pragmaEnd->set_parent(pragmaEndDecl);
pragmaEndDecl->set_definingDeclaration(pragmaEndDecl);
funbody_copy->append_statement(pragmaEndDecl);
pragmaEndDecl->set_parent(funbody_copy);
#endif
// std::cout << "funbody_copy is " << funbody_copy->unparseToString() << std::endl;
ChangeReturnsToGotosPrevisitor previsitor = ChangeReturnsToGotosPrevisitor(end_of_inline_label, funbody_copy);
// std::cout << "funbody_copy 2 is " << funbody_copy->unparseToString() << std::endl;
replaceExpressionWithStatement(funcall, &previsitor);
// std::cout << "Inline succeeded " << funcall->get_parent()->unparseToString() << std::endl;
return true;
}
// Move variables declared in a for statement to just outside that statement.
void moveForDeclaredVariables(SgNode* root)
{
vector<SgForStatement*> for_statements;
FindForStatementsVisitor(for_statements).traverse(root, preorder);
for (unsigned int i = 0; i < for_statements.size(); ++i)
{
SgForStatement* stmt = for_statements[i];
#ifdef FD_DEBUG
cout << "moveForDeclaredVariables: " << stmt->unparseToString() << endl;
#endif
SgForInitStatement* init = stmt->get_for_init_stmt();
if (!init) continue;
SgStatementPtrList& inits = init->get_init_stmt();
vector<SgVariableDeclaration*> decls;
for (SgStatementPtrList::iterator j = inits.begin(); j != inits.end(); ++j) {
SgStatement* one_init = *j;
if (isSgVariableDeclaration(one_init))
{
decls.push_back(isSgVariableDeclaration(one_init));
}
}
if (decls.empty()) continue;
SgStatement* parent = isSgStatement(stmt->get_parent());
assert (parent);
SgBasicBlock* bb = new SgBasicBlock(SgNULL_FILE);
stmt->set_parent(bb);
bb->set_parent(parent);
SgStatementPtrList ls;
for (unsigned int j = 0; j < decls.size(); ++j)
{
for (SgInitializedNamePtrList::iterator k = decls[j]->get_variables().begin(); k != decls[j]->get_variables().end(); ++k)
{
#ifdef FD_DEBUG
cout << "Working on variable " << (*k)->get_name().getString() << endl;
#endif
SgVariableSymbol* sym = new SgVariableSymbol(*k);
bb->insert_symbol((*k)->get_name(), sym);
(*k)->set_scope(bb);
SgAssignInitializer* kinit = 0;
if (isSgAssignInitializer((*k)->get_initializer()))
{
kinit = isSgAssignInitializer((*k)->get_initializer());
(*k)->set_initializer(0);
}
if (kinit)
{
SgVarRefExp* vr = new SgVarRefExp(SgNULL_FILE, sym);
vr->set_endOfConstruct(SgNULL_FILE);
vr->set_lvalue(true);
SgAssignOp* assignment = new SgAssignOp(SgNULL_FILE,vr,kinit->get_operand());
vr->set_parent(assignment);
kinit->get_operand()->set_parent(assignment);
SgExprStatement* expr = new SgExprStatement(SgNULL_FILE, assignment);
assignment->set_parent(expr);
ls.push_back(expr);
expr->set_parent(init);
}
}
#if 0
SgStatementPtrList::iterator fiiter = std::find(inits.begin(), inits.end(), decls[j]);
assert (fiiter != inits.end());
size_t idx = fiiter - inits.begin();
inits.erase(inits.begin() + idx);
inits.insert(inits.begin() + idx, ls.begin(), ls.end());
#endif
bb->get_statements().push_back(decls[j]);
decls[j]->set_parent(bb);
}
inits = ls;
bb->get_statements().push_back(stmt);
// printf ("In moveForDeclaredVariables(): parent = %p = %s bb = %p stmt = %p = %s \n",parent,parent->class_name().c_str(),bb,stmt,stmt->class_name().c_str());
ROSE_ASSERT(stmt->get_parent() == bb);
parent->replace_statement(stmt, bb);
}
}