Implement the "thread_local" keyword.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35950 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lauro Ramos Venancio
2007-04-12 18:32:50 +00:00
parent 558385fd93
commit c763552299
17 changed files with 4202 additions and 3811 deletions

View File

@ -154,12 +154,14 @@ public:
GlobalValue::LinkageTypes Linkage,
GlobalValue::VisibilityTypes Visibility,
unsigned SlotNum,
unsigned initSlot
unsigned initSlot,
bool isThreadLocal
) {
if (os) {
*os << " GV: "
<< ( initSlot == 0 ? "Uni" : "I" ) << "nitialized, "
<< ( isConstant? "Constant, " : "Variable, ")
<< " Thread Local = " << ( isThreadLocal? "yes, " : "no, ")
<< " Linkage=" << Linkage
<< " Visibility="<< Visibility
<< " Type=";

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@ -1704,11 +1704,12 @@ void BytecodeReader::ParseModuleGlobalInfo() {
unsigned VarType = read_vbr_uint();
while (VarType != Type::VoidTyID) { // List is terminated by Void
// VarType Fields: bit0 = isConstant, bit1 = hasInitializer, bit2,3,4 =
// Linkage, bit4+ = slot#
unsigned SlotNo = VarType >> 5;
// Linkage, bit5 = isThreadLocal, bit6+ = slot#
unsigned SlotNo = VarType >> 6;
unsigned LinkageID = (VarType >> 2) & 7;
unsigned VisibilityID = 0;
bool isConstant = VarType & 1;
bool isThreadLocal = (VarType >> 5) & 1;
bool hasInitializer = (VarType & 2) != 0;
unsigned Alignment = 0;
unsigned GlobalSectionID = 0;
@ -1764,7 +1765,7 @@ void BytecodeReader::ParseModuleGlobalInfo() {
// Create the global variable...
GlobalVariable *GV = new GlobalVariable(ElTy, isConstant, Linkage,
0, "", TheModule);
0, "", TheModule, isThreadLocal);
GV->setAlignment(Alignment);
GV->setVisibility(Visibility);
insertValue(GV, SlotNo, ModuleValues);
@ -1781,7 +1782,7 @@ void BytecodeReader::ParseModuleGlobalInfo() {
// Notify handler about the global value.
if (Handler)
Handler->handleGlobalVariable(ElTy, isConstant, Linkage, Visibility,
SlotNo, initSlot);
SlotNo, initSlot, isThreadLocal);
// Get next item
VarType = read_vbr_uint();

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@ -950,7 +950,7 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
"Global must have an initializer or have external linkage!");
// Fields: bit0 = isConstant, bit1 = hasInitializer, bit2-4=Linkage,
// bit5+ = Slot # for type.
// bit5 = isThreadLocal, bit6+ = Slot # for type.
bool HasExtensionWord = (I->getAlignment() != 0) ||
I->hasSection() ||
(I->getVisibility() != GlobalValue::DefaultVisibility);
@ -958,12 +958,13 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
// If we need to use the extension byte, set linkage=3(internal) and
// initializer = 0 (impossible!).
if (!HasExtensionWord) {
unsigned oSlot = (Slot << 5) | (getEncodedLinkage(I) << 2) |
(I->hasInitializer() << 1) | (unsigned)I->isConstant();
unsigned oSlot = (Slot << 6)| (((unsigned)I->isThreadLocal()) << 5) |
(getEncodedLinkage(I) << 2) | (I->hasInitializer() << 1)
| (unsigned)I->isConstant();
output_vbr(oSlot);
} else {
unsigned oSlot = (Slot << 5) | (3 << 2) |
(0 << 1) | (unsigned)I->isConstant();
unsigned oSlot = (Slot << 6) | (((unsigned)I->isThreadLocal()) << 5) |
(3 << 2) | (0 << 1) | (unsigned)I->isConstant();
output_vbr(oSlot);
// The extension word has this format: bit 0 = has initializer, bit 1-3 =