#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
-#include "llvm/GVMaterializer.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/GVMaterializer.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/LLVMContext.h"
-#include "llvm/Support/LeakDetector.h"
+#include "llvm/IR/LeakDetector.h"
+#include "llvm/Support/Dwarf.h"
#include <algorithm>
#include <cstdarg>
#include <cstdlib>
// Primitive Module methods.
//
-Module::Module(StringRef MID, LLVMContext& C)
- : Context(C), Materializer(NULL), ModuleID(MID) {
+Module::Module(StringRef MID, LLVMContext &C)
+ : Context(C), Materializer(), ModuleID(MID), DL("") {
ValSymTab = new ValueSymbolTable();
NamedMDSymTab = new StringMap<NamedMDNode *>();
Context.addModule(this);
delete static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab);
}
-/// Target endian information.
-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;
-}
-
-/// Target Pointer Size information.
-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);
- if (size == 32)
- ret = Pointer32;
- else if (size == 64)
- ret = Pointer64;
- }
- }
-
- return ret;
-}
-
/// getNamedValue - Return the first global value in the module with
/// the specified name, of arbitrary type. This method returns null
/// if a global with the specified name is not found.
AttributeSet AttributeList) {
// See if we have a definition for the specified function already.
GlobalValue *F = getNamedValue(Name);
- if (F == 0) {
+ if (!F) {
// Nope, add it
Function *New = Function::Create(Ty, GlobalVariable::ExternalLinkage, Name);
if (!New->isIntrinsic()) // Intrinsics get attrs set on construction
return New; // Return the new prototype.
}
- // Okay, the function exists. Does it have externally visible linkage?
- if (F->hasLocalLinkage()) {
- // Clear the function's name.
- F->setName("");
- // Retry, now there won't be a conflict.
- Constant *NewF = getOrInsertFunction(Name, Ty);
- F->setName(Name);
- return NewF;
- }
-
// If the function exists but has the wrong type, return a bitcast to the
// right type.
if (F->getType() != PointerType::getUnqual(Ty))
dyn_cast_or_null<GlobalVariable>(getNamedValue(Name)))
if (AllowLocal || !Result->hasLocalLinkage())
return Result;
- return 0;
+ return nullptr;
}
/// getOrInsertGlobal - Look up the specified global in the module symbol table.
Constant *Module::getOrInsertGlobal(StringRef Name, Type *Ty) {
// See if we have a definition for the specified global already.
GlobalVariable *GV = dyn_cast_or_null<GlobalVariable>(getNamedValue(Name));
- if (GV == 0) {
+ if (!GV) {
// Nope, add it
GlobalVariable *New =
new GlobalVariable(*this, Ty, false, GlobalVariable::ExternalLinkage,
- 0, Name);
+ nullptr, Name);
return New; // Return the new declaration.
}
const NamedMDNode *ModFlags = getModuleFlagsMetadata();
if (!ModFlags) return;
- for (unsigned i = 0, e = ModFlags->getNumOperands(); i != e; ++i) {
- MDNode *Flag = ModFlags->getOperand(i);
+ for (const MDNode *Flag : ModFlags->operands()) {
if (Flag->getNumOperands() >= 3 && isa<ConstantInt>(Flag->getOperand(0)) &&
isa<MDString>(Flag->getOperand(1))) {
// Check the operands of the MDNode before accessing the operands.
Value *Module::getModuleFlag(StringRef Key) const {
SmallVector<Module::ModuleFlagEntry, 8> ModuleFlags;
getModuleFlagsMetadata(ModuleFlags);
- for (unsigned I = 0, E = ModuleFlags.size(); I < E; ++I) {
- const ModuleFlagEntry &MFE = ModuleFlags[I];
+ for (const ModuleFlagEntry &MFE : ModuleFlags) {
if (Key == MFE.Key->getString())
return MFE.Val;
}
- return 0;
+ return nullptr;
}
/// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
getOrInsertModuleFlagsMetadata()->addOperand(Node);
}
+void Module::setDataLayout(StringRef Desc) {
+ DL.reset(Desc);
+
+ if (Desc.empty()) {
+ DataLayoutStr = "";
+ } else {
+ DataLayoutStr = DL.getStringRepresentation();
+ // DataLayoutStr is now equivalent to Desc, but since the representation
+ // is not unique, they may not be identical.
+ }
+}
+
+void Module::setDataLayout(const DataLayout *Other) {
+ if (!Other) {
+ DataLayoutStr = "";
+ DL.reset("");
+ } else {
+ DL = *Other;
+ DataLayoutStr = DL.getStringRepresentation();
+ }
+}
+
+const DataLayout *Module::getDataLayout() const {
+ if (DataLayoutStr.empty())
+ return nullptr;
+ return &DL;
+}
+
//===----------------------------------------------------------------------===//
// Methods to control the materialization of GlobalValues in the Module.
//
return Materializer->Dematerialize(GV);
}
-bool Module::MaterializeAll(std::string *ErrInfo) {
+error_code Module::materializeAll() {
if (!Materializer)
- return false;
- error_code EC = Materializer->MaterializeModule(this);
- if (!EC)
- return false;
- if (ErrInfo)
- *ErrInfo = EC.message();
- return true;
+ return error_code::success();
+ return Materializer->MaterializeModule(this);
}
-bool Module::MaterializeAllPermanently(std::string *ErrInfo) {
- if (MaterializeAll(ErrInfo))
- return true;
+error_code Module::materializeAllPermanently() {
+ if (error_code EC = materializeAll())
+ return EC;
+
Materializer.reset();
- return false;
+ return error_code::success();
}
//===----------------------------------------------------------------------===//
for(Module::alias_iterator I = alias_begin(), E = alias_end(); I != E; ++I)
I->dropAllReferences();
}
+
+unsigned Module::getDwarfVersion() const {
+ Value *Val = getModuleFlag("Dwarf Version");
+ if (!Val)
+ return dwarf::DWARF_VERSION;
+ return cast<ConstantInt>(Val)->getZExtValue();
+}
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