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add support for new linkage types

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-10-18 06:30:21 +00:00
parent 3c4a34e8db
commit 22482a14be
2 changed files with 18 additions and 8 deletions
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18
lib/Bytecode/Reader/Reader.cpp
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@ -434,14 +434,24 @@ void BytecodeParser::ParseModuleGlobalInfo(const unsigned char *&Buf,
GlobalValue::LinkageTypes Linkage;
if (!hasInternalMarkerOnly) {
// VarType Fields: bit0 = isConstant, bit1 = hasInitializer,
// bit2,3 = Linkage, bit4+ = slot#
SlotNo = VarType >> 4;
switch ((VarType >> 2) & 3) {
unsigned LinkageID;
if (hasExtendedLinkageSpecs) {
// VarType Fields: bit0 = isConstant, bit1 = hasInitializer,
// bit2,3,4 = Linkage, bit4+ = slot#
SlotNo = VarType >> 5;
LinkageID = (VarType >> 2) & 7;
} else {
// VarType Fields: bit0 = isConstant, bit1 = hasInitializer,
// bit2,3 = Linkage, bit4+ = slot#
SlotNo = VarType >> 4;
LinkageID = (VarType >> 2) & 3;
}
switch (LinkageID) {
case 0: Linkage = GlobalValue::ExternalLinkage; break;
case 1: Linkage = GlobalValue::WeakLinkage; break;
case 2: Linkage = GlobalValue::AppendingLinkage; break;
case 3: Linkage = GlobalValue::InternalLinkage; break;
case 4: Linkage = GlobalValue::LinkOnceLinkage; break;
}
} else {
// VarType Fields: bit0 = isConstant, bit1 = hasInitializer,