Duncan P. N. Exon Smith 023c72e64a IR: Move MDNode operands from the back to the front ...

Having the operands at the back prevents subclasses from safely adding
fields.  Move them to the front.

Instead of replicating the custom `malloc()`, `free()` and `DestroyFlag`
logic that was there before, overload `new` and `delete`.

I added calls to a new `GenericMDNode::dropAllReferences()` in
`LLVMContextImpl::~LLVMContextImpl()`.  There's a maze of callbacks
happening during teardown, and this resolves them before we enter
the destructors.

Part of PR21532.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222211 91177308-0d34-0410-b5e6-96231b3b80d8

2014-11-18 01:56:14 +00:00

..

llvm

IR: Move MDNode operands from the back to the front

2014-11-18 01:56:14 +00:00

llvm-c

libLTO: Allow linker to choose context of modules and codegen

2014-11-11 23:19:23 +00:00