Don't generate carry bit when loading immediate values on the Microblaze.

[oota-llvm.git] / lib / VMCore / Module.cpp

diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 510f3d5bd77c23aef8feb37ee00b5caa55fbf652..341e527acb5b4150770ca2b59e6d223d9211cea1 100644 (file)
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -15,7 +15,9 @@
 #include "llvm/InstrTypes.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
+#include "llvm/GVMaterializer.h"
 #include "llvm/LLVMContext.h"
+#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/LeakDetector.h"
@@ -56,13 +58,15 @@ template class llvm::SymbolTableListTraits<GlobalAlias, Module>;
 //
 
 Module::Module(StringRef MID, LLVMContext& C)
-  : Context(C), ModuleID(MID), DataLayout("")  {
+  : Context(C), Materializer(NULL), ModuleID(MID) {
   ValSymTab = new ValueSymbolTable();
   TypeSymTab = new TypeSymbolTable();
-  NamedMDSymTab = new MDSymbolTable();
+  NamedMDSymTab = new StringMap<NamedMDNode *>();
+  Context.addModule(this);
 }
 
 Module::~Module() {
+  Context.removeModule(this);
   dropAllReferences();
   GlobalList.clear();
   FunctionList.clear();
@@ -71,7 +75,7 @@ Module::~Module() {
   NamedMDList.clear();
   delete ValSymTab;
   delete TypeSymTab;
-  delete NamedMDSymTab;
+  delete static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab);
 }
 
 /// Target endian information...
@@ -81,7 +85,7 @@ Module::Endianness Module::getEndianness() const {
   
   while (!temp.empty()) {
     StringRef token = DataLayout;
-    tie(token, temp) = getToken(DataLayout, "-");
+    tie(token, temp) = getToken(temp, "-");
     
     if (token[0] == 'e') {
       ret = LittleEndian;
@@ -310,25 +314,30 @@ GlobalAlias *Module::getNamedAlias(StringRef Name) const {
 
 /// getNamedMetadata - Return the first NamedMDNode in the module with the
 /// specified name. This method returns null if a NamedMDNode with the 
-//// specified name is not found.
-NamedMDNode *Module::getNamedMetadata(StringRef Name) const {
-  return NamedMDSymTab->lookup(Name);
+/// specified name is not found.
+NamedMDNode *Module::getNamedMetadata(const Twine &Name) const {
+  SmallString<256> NameData;
+  StringRef NameRef = Name.toStringRef(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 
 /// NamedMDNode with the specified name is not found.
 NamedMDNode *Module::getOrInsertNamedMetadata(StringRef Name) {
-  NamedMDNode *NMD = NamedMDSymTab->lookup(Name);
-  if (!NMD)
-    NMD = NamedMDNode::Create(getContext(), Name, NULL, 0, this);
+  NamedMDNode *&NMD =
+    (*static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab))[Name];
+  if (!NMD) {
+    NMD = new NamedMDNode(Name);
+    NMD->setParent(this);
+    NamedMDList.push_back(NMD);
+  }
   return NMD;
 }
 
-/// addMDNodeName - Insert an entry in the NamedMDNode symbol table mapping
-/// Name to NMD. 
-void Module::addMDNodeName(StringRef Name, NamedMDNode *NMD) {
-  NamedMDSymTab->insert(Name, NMD);
+void Module::eraseNamedMetadata(NamedMDNode *NMD) {
+  static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab)->erase(NMD->getName());
+  NamedMDList.erase(NMD);
 }
 
 //===----------------------------------------------------------------------===//
@@ -377,6 +386,52 @@ std::string Module::getTypeName(const Type *Ty) const {
   return "";     // Must not have found anything...
 }
 
+//===----------------------------------------------------------------------===//
+// Methods to control the materialization of GlobalValues in the Module.
+//
+void Module::setMaterializer(GVMaterializer *GVM) {
+  assert(!Materializer &&
+         "Module already has a GVMaterializer.  Call MaterializeAllPermanently"
+         " to clear it out before setting another one.");
+  Materializer.reset(GVM);
+}
+
+bool Module::isMaterializable(const GlobalValue *GV) const {
+  if (Materializer)
+    return Materializer->isMaterializable(GV);
+  return false;
+}
+
+bool Module::isDematerializable(const GlobalValue *GV) const {
+  if (Materializer)
+    return Materializer->isDematerializable(GV);
+  return false;
+}
+
+bool Module::Materialize(GlobalValue *GV, std::string *ErrInfo) {
+  if (Materializer)
+    return Materializer->Materialize(GV, ErrInfo);
+  return false;
+}
+
+void Module::Dematerialize(GlobalValue *GV) {
+  if (Materializer)
+    return Materializer->Dematerialize(GV);
+}
+
+bool Module::MaterializeAll(std::string *ErrInfo) {
+  if (!Materializer)
+    return false;
+  return Materializer->MaterializeModule(this, ErrInfo);
+}
+
+bool Module::MaterializeAllPermanently(std::string *ErrInfo) {
+  if (MaterializeAll(ErrInfo))
+    return true;
+  Materializer.reset();
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 // Other module related stuff.
 //