-//===-- Function.cpp - Implement the Global object classes -------*- C++ -*--=//
+//===-- Function.cpp - Implement the Global object classes ----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file implements the Function & GlobalVariable classes for the VMCore
// library.
#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
#include "llvm/iOther.h"
+#include "llvm/Intrinsics.h"
+#include "Support/LeakDetector.h"
#include "SymbolTableListTraitsImpl.h"
+using namespace llvm;
+
+BasicBlock *ilist_traits<BasicBlock>::createNode() {
+ BasicBlock *Ret = new BasicBlock();
+ // This should not be garbage monitored.
+ LeakDetector::removeGarbageObject(Ret);
+ return Ret;
+}
iplist<BasicBlock> &ilist_traits<BasicBlock>::getList(Function *F) {
return F->getBasicBlockList();
}
Argument *ilist_traits<Argument>::createNode() {
- return new Argument(Type::IntTy);
+ Argument *Ret = new Argument(Type::IntTy);
+ // This should not be garbage monitored.
+ LeakDetector::removeGarbageObject(Ret);
+ return Ret;
}
iplist<Argument> &ilist_traits<Argument>::getList(Function *F) {
// Explicit instantiations of SymbolTableListTraits since some of the methods
// are not in the public header file...
-template SymbolTableListTraits<Argument, Function, Function>;
-template SymbolTableListTraits<BasicBlock, Function, Function>;
+template
class SymbolTableListTraits<Argument, Function, Function>;
+template class SymbolTableListTraits<BasicBlock, Function, Function>;
//===----------------------------------------------------------------------===//
// Argument Implementation
//===----------------------------------------------------------------------===//
+Argument::Argument(const Type *Ty, const std::string &Name, Function *Par)
+ : Value(Ty, Value::ArgumentVal, Name) {
+ Parent = 0;
+
+ // Make sure that we get added to a function
+ LeakDetector::addGarbageObject(this);
+
+ if (Par)
+ Par->getArgumentList().push_back(this);
+}
+
+
// Specialize setName to take care of symbol table majik
void Argument::setName(const std::string &name, SymbolTable *ST) {
Function *P;
- assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+ assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
"Invalid symtab argument!");
- if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+ if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
Value::setName(name);
- if (P && hasName()) P->getSymbolTable()->insert(this);
+ if (P && hasName()) P->getSymbolTable().insert(this);
+}
+
+void Argument::setParent(Function *parent) {
+ if (getParent())
+ LeakDetector::addGarbageObject(this);
+ Parent = parent;
+ if (getParent())
+ LeakDetector::removeGarbageObject(this);
}
+
//===----------------------------------------------------------------------===//
// Function Implementation
//===----------------------------------------------------------------------===//
-
-Function::Function(const FunctionType *Ty, bool isInternal,
+Function::Function(const FunctionType *Ty, LinkageTypes Linkage,
const std::string &name, Module *ParentModule)
- : GlobalValue(PointerType::get(Ty), Value::FunctionVal, isInternal, name) {
+ : GlobalValue(PointerType::get(Ty), Value::FunctionVal, Linkage, name) {
BasicBlocks.setItemParent(this);
BasicBlocks.setParent(this);
ArgumentList.setItemParent(this);
ArgumentList.setParent(this);
- ParentSymTab = SymTab = 0;
+ SymTab = new SymbolTable();
+
+ assert((getReturnType()->isFirstClassType() ||getReturnType() == Type::VoidTy)
+ && "LLVM functions cannot return aggregate values!");
+
+ // Create the arguments vector, all arguments start out unnamed.
+ for (unsigned i = 0, e = Ty->getNumParams(); i != e; ++i) {
+ assert(Ty->getParamType(i) != Type::VoidTy &&
+ "Cannot have void typed arguments!");
+ ArgumentList.push_back(new Argument(Ty->getParamType(i)));
+ }
+
+ // Make sure that we get added to a function
+ LeakDetector::addGarbageObject(this);
if (ParentModule)
ParentModule->getFunctionList().push_back(this);
Function::~Function() {
dropAllReferences(); // After this it is safe to delete instructions.
- BasicBlocks.clear(); // Delete all basic blocks...
-
// Delete all of the method arguments and unlink from symbol table...
ArgumentList.clear();
ArgumentList.setParent(0);
// Specialize setName to take care of symbol table majik
void Function::setName(const std::string &name, SymbolTable *ST) {
Module *P;
- assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+ assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
"Invalid symtab argument!");
- if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+ if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
Value::setName(name);
- if (P && getName() != "") P->getSymbolTableSure()->insert(this);
+ if (P && hasName()) P->getSymbolTable().insert(this);
}
void Function::setParent(Module *parent) {
+ if (getParent())
+ LeakDetector::addGarbageObject(this);
Parent = parent;
-
- // Relink symbol tables together...
- ParentSymTab = Parent ? Parent->getSymbolTableSure() : 0;
- if (SymTab) SymTab->setParentSymTab(ParentSymTab);
+ if (getParent())
+ LeakDetector::removeGarbageObject(this);
}
const FunctionType *Function::getFunctionType() const {
return getFunctionType()->getReturnType();
}
-SymbolTable *Function::getSymbolTableSure() {
- if (!SymTab) SymTab = new SymbolTable(ParentSymTab);
- return SymTab;
-}
-
-// hasSymbolTable() - Returns true if there is a symbol table allocated to
-// this object AND if there is at least one name in it!
-//
-bool Function::hasSymbolTable() const {
- if (!SymTab) return false;
-
- for (SymbolTable::const_iterator I = SymTab->begin();
- I != SymTab->end(); ++I) {
- if (I->second.begin() != I->second.end())
- return true; // Found nonempty type plane!
- }
-
- return false;
-}
-
-
// dropAllReferences() - This function causes all the subinstructions to "let
// go" of all references that they are maintaining. This allows one to
// 'delete' a whole class at a time, even though there may be circular
// references... first all references are dropped, and all use counts go to
-// zero. Then everything is delete'd for real. Note that no operations are
+// zero. Then everything is deleted for real. Note that no operations are
// valid on an object that has "dropped all references", except operator
// delete.
//
void Function::dropAllReferences() {
for (iterator I = begin(), E = end(); I != E; ++I)
I->dropAllReferences();
+ BasicBlocks.clear(); // Delete all basic blocks...
+}
+
+/// getIntrinsicID - This method returns the ID number of the specified
+/// function, or Intrinsic::not_intrinsic if the function is not an
+/// intrinsic, or if the pointer is null. This value is always defined to be
+/// zero to allow easy checking for whether a function is intrinsic or not. The
+/// particular intrinsic functions which correspond to this value are defined in
+/// llvm/Intrinsics.h.
+///
+unsigned Function::getIntrinsicID() const {
+ if (getName().size() < 5 || getName()[4] != '.' || getName()[0] != 'l' ||
+ getName()[1] != 'l' || getName()[2] != 'v' || getName()[3] != 'm')
+ return 0; // All intrinsics start with 'llvm.'
+
+ assert(getName().size() != 5 && "'llvm.' is an invalid intrinsic name!");
+
+ // a table of all Alpha intrinsic functions
+ struct {
+ std::string name; // The name of the intrinsic
+ unsigned id; // Its ID number
+ } alpha_intrinsics[] = {
+ { "llvm.alpha.ctlz", Intrinsic::alpha_ctlz },
+ { "llvm.alpha.cttz", Intrinsic::alpha_cttz },
+ { "llvm.alpha.ctpop", Intrinsic::alpha_ctpop },
+ { "llvm.alpha.umulh", Intrinsic::alpha_umulh },
+ { "llvm.alpha.vecop", Intrinsic::alpha_vecop },
+ { "llvm.alpha.pup", Intrinsic::alpha_pup },
+ { "llvm.alpha.bytezap", Intrinsic::alpha_bytezap },
+ { "llvm.alpha.bytemanip", Intrinsic::alpha_bytemanip },
+ { "llvm.alpha.dfp_bop", Intrinsic::alpha_dfpbop },
+ { "llvm.alpha.dfp_uop", Intrinsic::alpha_dfpuop },
+ { "llvm.alpha.unordered", Intrinsic::alpha_unordered },
+ { "llvm.alpha.uqtodfp", Intrinsic::alpha_uqtodfp },
+ { "llvm.alpha.uqtosfp", Intrinsic::alpha_uqtosfp },
+ { "llvm.alpha.dfptosq", Intrinsic::alpha_dfptosq },
+ { "llvm.alpha.sfptosq", Intrinsic::alpha_sfptosq },
+ };
+ const unsigned num_alpha_intrinsics =
+ sizeof(alpha_intrinsics) / sizeof(*alpha_intrinsics);
+
+ switch (getName()[5]) {
+ case 'a':
+ if (getName().size() > 11 &&
+ std::string(getName().begin()+4, getName().begin()+11) == ".alpha.")
+ for (unsigned i = 0; i < num_alpha_intrinsics; ++i)
+ if (getName() == alpha_intrinsics[i].name)
+ return alpha_intrinsics[i].id;
+ break;
+ case 'd':
+ if (getName() == "llvm.dbg.stoppoint") return Intrinsic::dbg_stoppoint;
+ if (getName() == "llvm.dbg.region.start")return Intrinsic::dbg_region_start;
+ if (getName() == "llvm.dbg.region.end") return Intrinsic::dbg_region_end;
+ if (getName() == "llvm.dbg.func.start") return Intrinsic::dbg_func_start;
+ if (getName() == "llvm.dbg.declare") return Intrinsic::dbg_declare;
+ break;
+ case 'f':
+ if (getName() == "llvm.frameaddress") return Intrinsic::frameaddress;
+ break;
+ case 'l':
+ if (getName() == "llvm.longjmp") return Intrinsic::longjmp;
+ break;
+ case 'm':
+ if (getName() == "llvm.memcpy") return Intrinsic::memcpy;
+ if (getName() == "llvm.memmove") return Intrinsic::memmove;
+ if (getName() == "llvm.memset") return Intrinsic::memset;
+ break;
+ case 'r':
+ if (getName() == "llvm.returnaddress") return Intrinsic::returnaddress;
+ if (getName() == "llvm.readport") return Intrinsic::readport;
+ break;
+ case 's':
+ if (getName() == "llvm.setjmp") return Intrinsic::setjmp;
+ if (getName() == "llvm.sigsetjmp") return Intrinsic::sigsetjmp;
+ if (getName() == "llvm.siglongjmp") return Intrinsic::siglongjmp;
+ break;
+ case 'v':
+ if (getName() == "llvm.va_copy") return Intrinsic::vacopy;
+ if (getName() == "llvm.va_end") return Intrinsic::vaend;
+ if (getName() == "llvm.va_start") return Intrinsic::vastart;
+ case 'w':
+ if (getName() == "llvm.writeport") return Intrinsic::writeport;
+ break;
+ }
+ // The "llvm." namespace is reserved!
+ assert(0 && "Unknown LLVM intrinsic function!");
+ return 0;
}
+
//===----------------------------------------------------------------------===//
// GlobalVariable Implementation
//===----------------------------------------------------------------------===//
-GlobalVariable::GlobalVariable(const Type *Ty, bool constant, bool isIntern,
+GlobalVariable::GlobalVariable(const Type *Ty, bool constant, LinkageTypes Link,
Constant *Initializer,
- const std::string &Name)
- : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal, isIntern, Name),
+ const std::string &Name, Module *ParentModule)
+ : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal, Link, Name),
isConstantGlobal(constant) {
if (Initializer) Operands.push_back(Use((Value*)Initializer, this));
+
+ LeakDetector::addGarbageObject(this);
+
+ if (ParentModule)
+ ParentModule->getGlobalList().push_back(this);
+}
+
+void GlobalVariable::setParent(Module *parent) {
+ if (getParent())
+ LeakDetector::addGarbageObject(this);
+ Parent = parent;
+ if (getParent())
+ LeakDetector::removeGarbageObject(this);
}
// Specialize setName to take care of symbol table majik
void GlobalVariable::setName(const std::string &name, SymbolTable *ST) {
Module *P;
- assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+ assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
"Invalid symtab argument!");
- if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+ if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
Value::setName(name);
- if (P && getName() != "") P->getSymbolTableSure()->insert(this);
+ if (P && hasName()) P->getSymbolTable().insert(this);
}
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