6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-28 19:31:58 +00:00
Code Issues Projects Releases Wiki Activity

avoid temporary CallbackVH's.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92218 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-12-28 09:10:16 +00:00
parent b241b37031
commit 1d880e5114
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
lib/VMCore/Metadata.cpp
View File

@ -64,6 +64,11 @@ public:
MDNodeElement(Value *V, MDNode *P) : CallbackVH(V), Parent(P) {}
~MDNodeElement() {}
void set(Value *V, MDNode *P) {
setValPtr(V);
Parent = P;
}
virtual void deleted();
virtual void allUsesReplacedWith(Value *NV);
};
@ -91,7 +96,7 @@ MDNode::MDNode(LLVMContext &C, Value *const *Vals, unsigned NumVals,
Operands = new MDNodeElement[NumOperands];
MDNodeElement *Ptr = Operands;
for (unsigned i = 0; i != NumVals; ++i)
Ptr[i] = MDNodeElement(Vals[i], this);
Ptr[i].set(Vals[i], this);
if (isFunctionLocal)
SubclassData |= FunctionLocalBit;
@ -161,9 +166,8 @@ void MDNode::replaceElement(Value *From, Value *To) {
// Replace From element(s) in place.
for (SmallVector<unsigned, 4>::iterator I = Indexes.begin(), E = Indexes.end();
I != E; ++I) {
Operands[*I] = MDNodeElement(To, this);
}
I != E; ++I)
Operands[*I].set(To, this);
// Insert updated "this" into the context's folding node set.
// If a node with same element list already exist then before inserting