Write and read metadata attachments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82259 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp
index 783022c..f4682a2 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -40,6 +40,8 @@
/// 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 @@
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 @@
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 @@
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);