#include "BitcodeReader.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/AutoUpgrade.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
+#include "llvm/IR/AutoUpgrade.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
case 2: return GlobalValue::AppendingLinkage;
case 3: return GlobalValue::InternalLinkage;
case 4: return GlobalValue::LinkOnceAnyLinkage;
- case 5: return GlobalValue::DLLImportLinkage;
- case 6: return GlobalValue::DLLExportLinkage;
+ case 5: return GlobalValue::ExternalLinkage; // Obsolete DLLImportLinkage
+ case 6: return GlobalValue::ExternalLinkage; // Obsolete DLLExportLinkage
case 7: return GlobalValue::ExternalWeakLinkage;
case 8: return GlobalValue::CommonLinkage;
case 9: return GlobalValue::PrivateLinkage;
}
}
+static GlobalValue::DLLStorageClassTypes
+GetDecodedDLLStorageClass(unsigned Val) {
+ switch (Val) {
+ default: // Map unknown values to default.
+ case 0: return GlobalValue::DefaultStorageClass;
+ case 1: return GlobalValue::DLLImportStorageClass;
+ case 2: return GlobalValue::DLLExportStorageClass;
+ }
+}
+
static GlobalVariable::ThreadLocalMode GetDecodedThreadLocalMode(unsigned Val) {
switch (Val) {
case 0: return GlobalVariable::NotThreadLocal;
case bitc::CAST_PTRTOINT: return Instruction::PtrToInt;
case bitc::CAST_INTTOPTR: return Instruction::IntToPtr;
case bitc::CAST_BITCAST : return Instruction::BitCast;
- case bitc::CAST_ADDRSPACECAST : return Instruction::AddrSpaceCast;
+ case bitc::CAST_ADDRSPACECAST: return Instruction::AddrSpaceCast;
}
}
static int GetDecodedBinaryOpcode(unsigned Val, Type *Ty) {
}
}
+static void UpgradeDLLImportExportLinkage(llvm::GlobalValue *GV, unsigned Val) {
+ switch (Val) {
+ case 5: GV->setDLLStorageClass(GlobalValue::DLLImportStorageClass); break;
+ case 6: GV->setDLLStorageClass(GlobalValue::DLLExportStorageClass); break;
+ }
+}
+
namespace llvm {
namespace {
/// @brief A class for maintaining the slot number definition
return Attribute::Builtin;
case bitc::ATTR_KIND_BY_VAL:
return Attribute::ByVal;
+ case bitc::ATTR_KIND_IN_ALLOCA:
+ return Attribute::InAlloca;
case bitc::ATTR_KIND_COLD:
return Attribute::Cold;
case bitc::ATTR_KIND_INLINE_HINT:
}
// GLOBALVAR: [pointer type, isconst, initid,
// linkage, alignment, section, visibility, threadlocal,
- // unnamed_addr]
+ // unnamed_addr, dllstorageclass]
case bitc::MODULE_CODE_GLOBALVAR: {
if (Record.size() < 6)
return Error(InvalidRecord);
NewGV->setVisibility(Visibility);
NewGV->setUnnamedAddr(UnnamedAddr);
+ if (Record.size() > 10)
+ NewGV->setDLLStorageClass(GetDecodedDLLStorageClass(Record[10]));
+ else
+ UpgradeDLLImportExportLinkage(NewGV, Record[3]);
+
ValueList.push_back(NewGV);
// Remember which value to use for the global initializer.
break;
}
// FUNCTION: [type, callingconv, isproto, linkage, paramattr,
- // alignment, section, visibility, gc, unnamed_addr]
+ // alignment, section, visibility, gc, unnamed_addr,
+ // dllstorageclass]
case bitc::MODULE_CODE_FUNCTION: {
if (Record.size() < 8)
return Error(InvalidRecord);
Func->setUnnamedAddr(UnnamedAddr);
if (Record.size() > 10 && Record[10] != 0)
FunctionPrefixes.push_back(std::make_pair(Func, Record[10]-1));
+
+ if (Record.size() > 11)
+ Func->setDLLStorageClass(GetDecodedDLLStorageClass(Record[11]));
+ else
+ UpgradeDLLImportExportLinkage(Func, Record[3]);
+
ValueList.push_back(Func);
// If this is a function with a body, remember the prototype we are
break;
}
// ALIAS: [alias type, aliasee val#, linkage]
- // ALIAS: [alias type, aliasee val#, linkage, visibility]
+ // ALIAS: [alias type, aliasee val#, linkage, visibility, dllstorageclass]
case bitc::MODULE_CODE_ALIAS: {
if (Record.size() < 3)
return Error(InvalidRecord);
// Old bitcode files didn't have visibility field.
if (Record.size() > 3)
NewGA->setVisibility(GetDecodedVisibility(Record[3]));
+ if (Record.size() > 4)
+ NewGA->setDLLStorageClass(GetDecodedDLLStorageClass(Record[4]));
+ else
+ UpgradeDLLImportExportLinkage(NewGA, Record[2]);
ValueList.push_back(NewGA);
AliasInits.push_back(std::make_pair(NewGA, Record[1]));
break;
for (unsigned I = 0, E = InstsWithTBAATag.size(); I < E; I++)
UpgradeInstWithTBAATag(InstsWithTBAATag[I]);
+ UpgradeDebugInfo(*M);
return error_code::success();
}
namespace {
class BitcodeErrorCategoryType : public _do_message {
- const char *name() const LLVM_OVERRIDE {
+ const char *name() const override {
return "llvm.bitcode";
}
- std::string message(int IE) const LLVM_OVERRIDE {
+ std::string message(int IE) const override {
BitcodeReader::ErrorType E = static_cast<BitcodeReader::ErrorType>(IE);
switch (E) {
case BitcodeReader::BitcodeStreamInvalidSize:
/// getLazyBitcodeModule - lazy function-at-a-time loading from a file.
///
-Module *llvm::getLazyBitcodeModule(MemoryBuffer *Buffer,
- LLVMContext& Context,
- std::string *ErrMsg) {
+ErrorOr<Module *> llvm::getLazyBitcodeModule(MemoryBuffer *Buffer,
+ LLVMContext &Context) {
Module *M = new Module(Buffer->getBufferIdentifier(), Context);
BitcodeReader *R = new BitcodeReader(Buffer, Context);
M->setMaterializer(R);
if (error_code EC = R->ParseBitcodeInto(M)) {
- if (ErrMsg)
- *ErrMsg = EC.message();
-
delete M; // Also deletes R.
- return 0;
+ return EC;
}
// Have the BitcodeReader dtor delete 'Buffer'.
R->setBufferOwned(true);
return M;
}
-/// ParseBitcodeFile - Read the specified bitcode file, returning the module.
-/// If an error occurs, return null and fill in *ErrMsg if non-null.
-Module *llvm::ParseBitcodeFile(MemoryBuffer *Buffer, LLVMContext& Context,
- std::string *ErrMsg){
- Module *M = getLazyBitcodeModule(Buffer, Context, ErrMsg);
- if (!M) return 0;
+ErrorOr<Module *> llvm::parseBitcodeFile(MemoryBuffer *Buffer,
+ LLVMContext &Context) {
+ ErrorOr<Module *> ModuleOrErr = getLazyBitcodeModule(Buffer, Context);
+ if (!ModuleOrErr)
+ return ModuleOrErr;
+ Module *M = ModuleOrErr.get();
// Don't let the BitcodeReader dtor delete 'Buffer', regardless of whether
// there was an error.
static_cast<BitcodeReader*>(M->getMaterializer())->setBufferOwned(false);
// Read in the entire module, and destroy the BitcodeReader.
- if (M->MaterializeAllPermanently(ErrMsg)) {
+ if (error_code EC = M->materializeAllPermanently()) {
delete M;
- return 0;
+ return EC;
}
// TODO: Restore the use-lists to the in-memory state when the bitcode was