//===----------------------------------------------------------------------===//
#include "llvm/Module.h"
-#include "llvm/InstrTypes.h"
+#include "SymbolTableListTraitsImpl.h"
+#include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/GVMaterializer.h"
+#include "llvm/InstrTypes.h"
#include "llvm/LLVMContext.h"
-#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LeakDetector.h"
-#include "SymbolTableListTraitsImpl.h"
#include <algorithm>
#include <cstdarg>
#include <cstdlib>
GlobalList.clear();
FunctionList.clear();
AliasList.clear();
- LibraryList.clear();
NamedMDList.clear();
delete ValSymTab;
delete static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab);
Module::Endianness Module::getEndianness() const {
StringRef temp = DataLayout;
Module::Endianness ret = AnyEndianness;
-
+
while (!temp.empty()) {
std::pair<StringRef, StringRef> P = getToken(temp, "-");
-
+
StringRef token = P.first;
temp = P.second;
-
+
if (token[0] == 'e') {
ret = LittleEndian;
} else if (token[0] == 'E') {
ret = BigEndian;
}
}
-
+
return ret;
}
Module::PointerSize Module::getPointerSize() const {
StringRef temp = DataLayout;
Module::PointerSize ret = AnyPointerSize;
-
+
while (!temp.empty()) {
std::pair<StringRef, StringRef> TmpP = getToken(temp, "-");
temp = TmpP.second;
TmpP = getToken(TmpP.first, ":");
StringRef token = TmpP.second, signalToken = TmpP.first;
-
+
if (signalToken[0] == 'p') {
int size = 0;
getToken(token, ":").first.getAsInteger(10, size);
ret = Pointer64;
}
}
-
+
return ret;
}
//
Constant *Module::getOrInsertFunction(StringRef Name,
FunctionType *Ty,
- AttrListPtr AttributeList) {
+ AttributeSet AttributeList) {
// See if we have a definition for the specified function already.
GlobalValue *F = getNamedValue(Name);
if (F == 0) {
// right type.
if (F->getType() != PointerType::getUnqual(Ty))
return ConstantExpr::getBitCast(F, PointerType::getUnqual(Ty));
-
+
// Otherwise, we just found the existing function or a prototype.
- return F;
+ return F;
}
Constant *Module::getOrInsertTargetIntrinsic(StringRef Name,
FunctionType *Ty,
- AttrListPtr AttributeList) {
+ AttributeSet AttributeList) {
// See if we have a definition for the specified function already.
GlobalValue *F = getNamedValue(Name);
if (F == 0) {
}
// Otherwise, we just found the existing function or a prototype.
- return F;
+ return F;
}
Constant *Module::getOrInsertFunction(StringRef Name,
FunctionType *Ty) {
- AttrListPtr AttributeList = AttrListPtr::get((AttributeWithIndex *)0, 0);
- return getOrInsertFunction(Name, Ty, AttributeList);
+ return getOrInsertFunction(Name, Ty, AttributeSet());
}
// getOrInsertFunction - Look up the specified function in the module symbol
// arguments, which makes it easier for clients to use.
//
Constant *Module::getOrInsertFunction(StringRef Name,
- AttrListPtr AttributeList,
+ AttributeSet AttributeList,
Type *RetTy, ...) {
va_list Args;
va_start(Args, RetTy);
va_end(Args);
// Build the function type and chain to the other getOrInsertFunction...
- return getOrInsertFunction(Name,
+ return getOrInsertFunction(Name,
FunctionType::get(RetTy, ArgTys, false),
- AttrListPtr::get((AttributeWithIndex *)0, 0));
+ AttributeSet());
}
// getFunction - Look up the specified function in the module symbol table.
///
GlobalVariable *Module::getGlobalVariable(StringRef Name,
bool AllowLocal) const {
- if (GlobalVariable *Result =
+ if (GlobalVariable *Result =
dyn_cast_or_null<GlobalVariable>(getNamedValue(Name)))
if (AllowLocal || !Result->hasLocalLinkage())
return Result;
// right type.
if (GV->getType() != PointerType::getUnqual(Ty))
return ConstantExpr::getBitCast(GV, PointerType::getUnqual(Ty));
-
+
// Otherwise, we just found the existing function or a prototype.
return GV;
}
}
/// getNamedMetadata - Return the first NamedMDNode in the module with the
-/// specified name. This method returns null if a NamedMDNode with the
+/// specified name. This method returns null if a NamedMDNode with the
/// specified name is not found.
NamedMDNode *Module::getNamedMetadata(const Twine &Name) const {
SmallString<256> NameData;
return static_cast<StringMap<NamedMDNode*> *>(NamedMDSymTab)->lookup(NameRef);
}
-/// getOrInsertNamedMetadata - Return the first named MDNode in the module
-/// with the specified name. This method returns a new NamedMDNode if a
+/// getOrInsertNamedMetadata - Return the first named MDNode in the module
+/// with the specified name. This method returns a new NamedMDNode if a
/// NamedMDNode with the specified name is not found.
NamedMDNode *Module::getOrInsertNamedMetadata(StringRef Name) {
NamedMDNode *&NMD =
//
-// dropAllReferences() - This function causes all the subelementss to "let go"
+// dropAllReferences() - This function causes all the subelements to "let go"
// of all references that they are maintaining. This allows one to 'delete' a
// whole module at a time, even though there may be circular references... first
// all references are dropped, and all use counts go to zero. Then everything
for(Module::alias_iterator I = alias_begin(), E = alias_end(); I != E; ++I)
I->dropAllReferences();
}
-
-void Module::addLibrary(StringRef Lib) {
- for (Module::lib_iterator I = lib_begin(), E = lib_end(); I != E; ++I)
- if (*I == Lib)
- return;
- LibraryList.push_back(Lib);
-}
-
-void Module::removeLibrary(StringRef Lib) {
- LibraryListType::iterator I = LibraryList.begin();
- LibraryListType::iterator E = LibraryList.end();
- for (;I != E; ++I)
- if (*I == Lib) {
- LibraryList.erase(I);
- return;
- }
-}
-
-//===----------------------------------------------------------------------===//
-// Type finding functionality.
-//===----------------------------------------------------------------------===//
-
-namespace {
- /// TypeFinder - Walk over a module, identifying all of the types that are
- /// used by the module.
- class TypeFinder {
- // To avoid walking constant expressions multiple times and other IR
- // objects, we keep several helper maps.
- DenseSet<const Value*> VisitedConstants;
- DenseSet<Type*> VisitedTypes;
-
- std::vector<StructType*> &StructTypes;
- public:
- TypeFinder(std::vector<StructType*> &structTypes)
- : StructTypes(structTypes) {}
-
- void run(const Module &M) {
- // Get types from global variables.
- for (Module::const_global_iterator I = M.global_begin(),
- E = M.global_end(); I != E; ++I) {
- incorporateType(I->getType());
- if (I->hasInitializer())
- incorporateValue(I->getInitializer());
- }
-
- // Get types from aliases.
- for (Module::const_alias_iterator I = M.alias_begin(),
- E = M.alias_end(); I != E; ++I) {
- incorporateType(I->getType());
- if (const Value *Aliasee = I->getAliasee())
- incorporateValue(Aliasee);
- }
-
- SmallVector<std::pair<unsigned, MDNode*>, 4> MDForInst;
-
- // Get types from functions.
- for (Module::const_iterator FI = M.begin(), E = M.end(); FI != E; ++FI) {
- incorporateType(FI->getType());
-
- for (Function::const_iterator BB = FI->begin(), E = FI->end();
- BB != E;++BB)
- for (BasicBlock::const_iterator II = BB->begin(),
- E = BB->end(); II != E; ++II) {
- const Instruction &I = *II;
- // Incorporate the type of the instruction and all its operands.
- incorporateType(I.getType());
- for (User::const_op_iterator OI = I.op_begin(), OE = I.op_end();
- OI != OE; ++OI)
- incorporateValue(*OI);
-
- // Incorporate types hiding in metadata.
- I.getAllMetadataOtherThanDebugLoc(MDForInst);
- for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
- incorporateMDNode(MDForInst[i].second);
- MDForInst.clear();
- }
- }
-
- for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
- E = M.named_metadata_end(); I != E; ++I) {
- const NamedMDNode *NMD = I;
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
- incorporateMDNode(NMD->getOperand(i));
- }
- }
-
- private:
- void incorporateType(Type *Ty) {
- // Check to see if we're already visited this type.
- if (!VisitedTypes.insert(Ty).second)
- return;
-
- // If this is a structure or opaque type, add a name for the type.
- if (StructType *STy = dyn_cast<StructType>(Ty))
- StructTypes.push_back(STy);
-
- // Recursively walk all contained types.
- for (Type::subtype_iterator I = Ty->subtype_begin(),
- E = Ty->subtype_end(); I != E; ++I)
- incorporateType(*I);
- }
-
- /// incorporateValue - This method is used to walk operand lists finding
- /// types hiding in constant expressions and other operands that won't be
- /// walked in other ways. GlobalValues, basic blocks, instructions, and
- /// inst operands are all explicitly enumerated.
- void incorporateValue(const Value *V) {
- if (const MDNode *M = dyn_cast<MDNode>(V))
- return incorporateMDNode(M);
- if (!isa<Constant>(V) || isa<GlobalValue>(V)) return;
-
- // Already visited?
- if (!VisitedConstants.insert(V).second)
- return;
-
- // Check this type.
- incorporateType(V->getType());
-
- // Look in operands for types.
- const User *U = cast<User>(V);
- for (Constant::const_op_iterator I = U->op_begin(),
- E = U->op_end(); I != E;++I)
- incorporateValue(*I);
- }
-
- void incorporateMDNode(const MDNode *V) {
-
- // Already visited?
- if (!VisitedConstants.insert(V).second)
- return;
-
- // Look in operands for types.
- for (unsigned i = 0, e = V->getNumOperands(); i != e; ++i)
- if (Value *Op = V->getOperand(i))
- incorporateValue(Op);
- }
- };
-} // end anonymous namespace
-
-void Module::findUsedStructTypes(std::vector<StructType*> &StructTypes) const {
- TypeFinder(StructTypes).run(*this);
-}
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