Revert "Decouple dllexport/dllimport from linkage"

Revert this for now until I fix an issue in Clang with it.

This reverts commit r199204.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nico Rieck
2014-01-14 12:38:32 +00:00
parent 62b811443d
commit 55463f4ec1
27 changed files with 157 additions and 547 deletions

View File

@ -80,8 +80,8 @@ static GlobalValue::LinkageTypes GetDecodedLinkage(unsigned Val) {
case 2: return GlobalValue::AppendingLinkage;
case 3: return GlobalValue::InternalLinkage;
case 4: return GlobalValue::LinkOnceAnyLinkage;
case 5: return GlobalValue::ExternalLinkage; // Obsolete DLLImportLinkage
case 6: return GlobalValue::ExternalLinkage; // Obsolete DLLExportLinkage
case 5: return GlobalValue::DLLImportLinkage;
case 6: return GlobalValue::DLLExportLinkage;
case 7: return GlobalValue::ExternalWeakLinkage;
case 8: return GlobalValue::CommonLinkage;
case 9: return GlobalValue::PrivateLinkage;
@ -102,16 +102,6 @@ static GlobalValue::VisibilityTypes GetDecodedVisibility(unsigned Val) {
}
}
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;
@ -203,13 +193,6 @@ static SynchronizationScope GetDecodedSynchScope(unsigned Val) {
}
}
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
@ -1814,7 +1797,7 @@ error_code BitcodeReader::ParseModule(bool Resume) {
}
// GLOBALVAR: [pointer type, isconst, initid,
// linkage, alignment, section, visibility, threadlocal,
// unnamed_addr, dllstorageclass]
// unnamed_addr]
case bitc::MODULE_CODE_GLOBALVAR: {
if (Record.size() < 6)
return Error(InvalidRecord);
@ -1860,11 +1843,6 @@ error_code BitcodeReader::ParseModule(bool Resume) {
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.
@ -1873,8 +1851,7 @@ error_code BitcodeReader::ParseModule(bool Resume) {
break;
}
// FUNCTION: [type, callingconv, isproto, linkage, paramattr,
// alignment, section, visibility, gc, unnamed_addr,
// dllstorageclass]
// alignment, section, visibility, gc, unnamed_addr]
case bitc::MODULE_CODE_FUNCTION: {
if (Record.size() < 8)
return Error(InvalidRecord);
@ -1914,12 +1891,6 @@ error_code BitcodeReader::ParseModule(bool Resume) {
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
@ -1931,7 +1902,7 @@ error_code BitcodeReader::ParseModule(bool Resume) {
break;
}
// ALIAS: [alias type, aliasee val#, linkage]
// ALIAS: [alias type, aliasee val#, linkage, visibility, dllstorageclass]
// ALIAS: [alias type, aliasee val#, linkage, visibility]
case bitc::MODULE_CODE_ALIAS: {
if (Record.size() < 3)
return Error(InvalidRecord);
@ -1946,10 +1917,6 @@ error_code BitcodeReader::ParseModule(bool Resume) {
// 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;