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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82259 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-09-18 19:26:43 +00:00
parent 88d9839d07
commit e8e0213cc3
10 changed files with 256 additions and 19 deletions
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23
lib/Bitcode/Writer/ValueEnumerator.cpp
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@ -40,6 +40,8 @@ static bool CompareByFrequency(const std::pair<const llvm::Type*,
/// ValueEnumerator - Enumerate module-level information.
ValueEnumerator::ValueEnumerator(const Module *M) {
InstructionCount = 0;
// Enumerate the global variables.
for (Module::const_global_iterator I = M->global_begin(),
E = M->global_end(); I != E; ++I)
@ -83,7 +85,8 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
for (Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
I != E; ++I)
EnumerateType(I->getType());
Metadata &TheMetadata = F->getContext().getMetadata();
for (Function::const_iterator BB = F->begin(), E = F->end(); BB != E; ++BB)
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;++I){
for (User::const_op_iterator OI = I->op_begin(), E = I->op_end();
@ -94,6 +97,14 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
EnumerateAttributes(CI->getAttributes());
else if (const InvokeInst *II = dyn_cast<InvokeInst>(I))
EnumerateAttributes(II->getAttributes());
// Enumerate metadata attached with this instruction.
const Metadata::MDMapTy *MDs = TheMetadata.getMDs(I);
if (MDs)
for (Metadata::MDMapTy::const_iterator MI = MDs->begin(),
ME = MDs->end(); MI != ME; ++MI)
if (MDNode *MDN = dyn_cast_or_null<MDNode>(MI->second))
EnumerateMetadata(MDN);
}
}
@ -114,6 +125,16 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
TypeMap[Types[i].first] = i+1;
}
unsigned ValueEnumerator::getInstructionID(const Instruction *Inst) const {
InstructionMapType::const_iterator I = InstructionMap.find(Inst);
assert (I != InstructionMap.end() && "Instruction is not mapped!");
return I->second;
}
void ValueEnumerator::setInstructionID(const Instruction *I) {
InstructionMap[I] = InstructionCount++;
}
unsigned ValueEnumerator::getValueID(const Value *V) const {
if (isa<MetadataBase>(V)) {
ValueMapType::const_iterator I = MDValueMap.find(V);