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Make MDNode use CallbackVH. Also change MDNode to store Value* instead of

Browse Source 
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71407 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2009-05-10 20:57:05 +00:00
parent af3fdb5dc4
commit cb33799b9f
12 changed files with 270 additions and 105 deletions
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12
lib/Bitcode/Writer/BitcodeWriter.cpp
View File

@ -19,6 +19,7 @@
#include "llvm/DerivedTypes.h"
#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
#include "llvm/MDNode.h"
#include "llvm/Module.h"
#include "llvm/TypeSymbolTable.h"
#include "llvm/ValueSymbolTable.h"
@ -706,9 +707,14 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
}
} else if (const MDNode *N = dyn_cast<MDNode>(C)) {
Code = bitc::CST_CODE_MDNODE;
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
Record.push_back(VE.getTypeID(N->getOperand(i)->getType()));
Record.push_back(VE.getValueID(N->getOperand(i)));
for (unsigned i = 0, e = N->getNumElements(); i != e; ++i) {
if (N->getElement(i)) {
Record.push_back(VE.getTypeID(N->getElement(i)->getType()));
Record.push_back(VE.getValueID(N->getElement(i)));
} else {
Record.push_back(VE.getTypeID(Type::VoidTy));
Record.push_back(0);
}
}
} else {
assert(0 && "Unknown constant!");

18
lib/Bitcode/Writer/ValueEnumerator.cpp
View File

@ -14,6 +14,7 @@
#include "ValueEnumerator.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/MDNode.h"
#include "llvm/Module.h"
#include "llvm/TypeSymbolTable.h"
#include "llvm/ValueSymbolTable.h"
@ -200,6 +201,18 @@ void ValueEnumerator::EnumerateValue(const Value *V) {
// Finally, add the value. Doing this could make the ValueID reference be
// dangling, don't reuse it.
Values.push_back(std::make_pair(V, 1U));
ValueMap[V] = Values.size();
return;
} else if (const MDNode *N = dyn_cast<MDNode>(C)) {
for (MDNode::const_elem_iterator I = N->elem_begin(), E = N->elem_end();
I != E; ++I) {
if (*I)
EnumerateValue(*I);
else
EnumerateType(Type::VoidTy);
}
Values.push_back(std::make_pair(V, 1U));
ValueMap[V] = Values.size();
return;
@ -244,6 +257,11 @@ void ValueEnumerator::EnumerateOperandType(const Value *V) {
// them.
for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
EnumerateOperandType(C->getOperand(i));
if (const MDNode *N = dyn_cast<MDNode>(V)) {
for (unsigned i = 0, e = N->getNumElements(); i != e; ++i)
EnumerateOperandType(N->getElement(i));
}
}
}