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Make a preemptive bitcode format change to support PR1146. This lets us do

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pr1146 in llvm 2.1 without ugly code to emulate old behavior.  This should
be merged into the 2.0 release branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-05-08 05:38:01 +00:00
parent 692aa5afc8
commit a9bb713130
2 changed files with 48 additions and 20 deletions
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27
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -386,6 +386,12 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
Vals.push_back(F->getCallingConv());
Vals.push_back(F->isDeclaration());
Vals.push_back(getEncodedLinkage(F));
// Note: we emit the param attr ID number for the function type of this
// function. In the future, we intend for attrs to be properties of
// functions, instead of on the type. This is to support this future work.
Vals.push_back(VE.getParamAttrID(F->getFunctionType()->getParamAttrs()));
Vals.push_back(Log2_32(F->getAlignment())+1);
Vals.push_back(F->hasSection() ? SectionMap[F->getSection()] : 0);
Vals.push_back(getEncodedVisibility(F));
@ -736,15 +742,21 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
Vals.push_back(VE.getValueID(I.getOperand(i)));
break;
case Instruction::Invoke: {
const PointerType *PTy = cast<PointerType>(I.getOperand(0)->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
Code = bitc::FUNC_CODE_INST_INVOKE;
// Note: we emit the param attr ID number for the function type of this
// function. In the future, we intend for attrs to be properties of
// functions, instead of on the type. This is to support this future work.
Vals.push_back(VE.getParamAttrID(FTy->getParamAttrs()));
Vals.push_back(cast<InvokeInst>(I).getCallingConv());
Vals.push_back(VE.getValueID(I.getOperand(1))); // normal dest
Vals.push_back(VE.getValueID(I.getOperand(2))); // unwind dest
PushValueAndType(I.getOperand(0), InstID, Vals, VE); // callee
// Emit value #'s for the fixed parameters.
const PointerType *PTy = cast<PointerType>(I.getOperand(0)->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i)
Vals.push_back(VE.getValueID(I.getOperand(i+3))); // fixed param.
@ -806,14 +818,21 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
Vals.push_back(cast<StoreInst>(I).isVolatile());
break;
case Instruction::Call: {
const PointerType *PTy = cast<PointerType>(I.getOperand(0)->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
Code = bitc::FUNC_CODE_INST_CALL;
// Note: we emit the param attr ID number for the function type of this
// function. In the future, we intend for attrs to be properties of
// functions, instead of on the type. This is to support this future work.
Vals.push_back(VE.getParamAttrID(FTy->getParamAttrs()));
Vals.push_back((cast<CallInst>(I).getCallingConv() << 1) |
unsigned(cast<CallInst>(I).isTailCall()));
PushValueAndType(I.getOperand(0), InstID, Vals, VE); // Callee
// Emit value #'s for the fixed parameters.
const PointerType *PTy = cast<PointerType>(I.getOperand(0)->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i)
Vals.push_back(VE.getValueID(I.getOperand(i+1))); // fixed param.