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IR: MDNode => Value: Instruction::getAllMetadata()

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Change `Instruction::getAllMetadata()` to modify a vector of `Value`
instead of `MDNode` and update call sites.  This is part of PR21433.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221027 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-11-01 00:26:42 +00:00
parent 3a84a6377c
commit b2187ede9e
5 changed files with 17 additions and 16 deletions
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6
include/llvm/IR/Instruction.h
View File

@ -174,7 +174,8 @@ public:
/// getAllMetadata - Get all metadata attached to this Instruction. The first
/// element of each pair returned is the KindID, the second element is the
/// metadata value. This list is returned sorted by the KindID.
void getAllMetadata(SmallVectorImpl<std::pair<unsigned, MDNode*> > &MDs)const{
void
getAllMetadata(SmallVectorImpl<std::pair<unsigned, Value *>> &MDs) const {
if (hasMetadata())
getAllMetadataImpl(MDs);
}
@ -293,7 +294,8 @@ private:
Value *getMetadataImpl(StringRef Kind) const;
MDNode *getMDNodeImpl(unsigned KindID) const;
MDNode *getMDNodeImpl(StringRef Kind) const;
void getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned,MDNode*> > &)const;
void
getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned, Value *>> &) const;
void getAllMetadataOtherThanDebugLocImpl(SmallVectorImpl<std::pair<unsigned,
MDNode*> > &) const;
void clearMetadataHashEntries();

10
lib/IR/AsmWriter.cpp
View File

@ -718,7 +718,7 @@ void SlotTracker::processFunction() {
ST_DEBUG("Inserting Instructions:\n");
SmallVector<std::pair<unsigned, MDNode*>, 4> MDForInst;
SmallVector<std::pair<unsigned, Value *>, 4> MDForInst;
// Add all of the basic blocks and instructions with no names.
for (Function::const_iterator BB = TheFunction->begin(),
@ -755,7 +755,7 @@ void SlotTracker::processFunction() {
// Process metadata attached with this instruction.
I->getAllMetadata(MDForInst);
for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
CreateMetadataSlot(MDForInst[i].second);
CreateMetadataSlot(cast<MDNode>(MDForInst[i].second));
MDForInst.clear();
}
}
@ -2315,7 +2315,7 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
}
// Print Metadata info.
SmallVector<std::pair<unsigned, MDNode*>, 4> InstMD;
SmallVector<std::pair<unsigned, Value *>, 4> InstMD;
I.getAllMetadata(InstMD);
if (!InstMD.empty()) {
SmallVector<StringRef, 8> MDNames;
@ -2328,8 +2328,8 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
Out << ", !<unknown kind #" << Kind << ">";
}
Out << ' ';
WriteAsOperandInternal(Out, InstMD[i].second, &TypePrinter, &Machine,
TheModule);
WriteAsOperandInternal(Out, cast<MDNode>(InstMD[i].second), &TypePrinter,
&Machine, TheModule);
}
}
printInfoComment(I);

4
lib/IR/Metadata.cpp
View File

@ -745,8 +745,8 @@ Value *Instruction::getMetadataImpl(unsigned KindID) const {
return nullptr;
}
void Instruction::getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned,
MDNode*> > &Result) const {
void Instruction::getAllMetadataImpl(
SmallVectorImpl<std::pair<unsigned, Value *>> &Result) const {
Result.clear();
// Handle 'dbg' as a special case since it is not stored in the hash table.

4
lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
View File

@ -304,7 +304,7 @@ Instruction *InstCombiner::visitAllocaInst(AllocaInst &AI) {
static LoadInst *combineLoadToNewType(InstCombiner &IC, LoadInst &LI, Type *NewTy) {
Value *Ptr = LI.getPointerOperand();
unsigned AS = LI.getPointerAddressSpace();
SmallVector<std::pair<unsigned, MDNode *>, 8> MD;
SmallVector<std::pair<unsigned, Value *>, 8> MD;
LI.getAllMetadata(MD);
LoadInst *NewLoad = IC.Builder->CreateAlignedLoad(
@ -312,7 +312,7 @@ static LoadInst *combineLoadToNewType(InstCombiner &IC, LoadInst &LI, Type *NewT
LI.getAlignment(), LI.getName());
for (const auto &MDPair : MD) {
unsigned ID = MDPair.first;
MDNode *N = MDPair.second;
Value *N = MDPair.second;
// Note, essentially every kind of metadata should be preserved here! This
// routine is supposed to clone a load instruction changing *only its type*.
// The only metadata it makes sense to drop is metadata which is invalidated

9
lib/Transforms/Utils/ValueMapper.cpp
View File

@ -208,12 +208,11 @@ void llvm::RemapInstruction(Instruction *I, ValueToValueMapTy &VMap,
}
// Remap attached metadata.
SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
SmallVector<std::pair<unsigned, Value *>, 4> MDs;
I->getAllMetadata(MDs);
for (SmallVectorImpl<std::pair<unsigned, MDNode *> >::iterator
MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI) {
MDNode *Old = MI->second;
MDNode *New = MapValue(Old, VMap, Flags, TypeMapper, Materializer);
for (auto MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI) {
Value *Old = MI->second;
Value *New = MapValue(Old, VMap, Flags, TypeMapper, Materializer);
if (New != Old)
I->setMetadata(MI->first, New);
}