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5f50874b3d
More clearly describe the type of storage used for `Metadata`. - `Uniqued`: uniqued, stored in the context. - `Distinct`: distinct, stored in the context. - `Temporary`: not owned by anyone. This is the first in a series of commits to fix a design problem with `MDNodeFwdDecl` that I need to solve for PR22235. While `MDNodeFwdDecl` works well as a forward declaration, we use `MDNode::getTemporary()` for more than forward declarations -- we also need to create early versions of nodes (with fields not filled in) that we'll fill out later (see `DIBuilder::finalize()` and `CGDebugInfo::finalize()` for examples). This was a blind spot I had when I introduced `MDNodeFwdDecl` (which David Blaikie (indirectly) highlighted in an unrelated review [1]). [1]: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150112/252381.html In general, we need `MDTuple::getTemporary()` to give a temporary tuple (like `MDNodeFwdDecl`), `MDLocation::getTemporary()` to give a temporary location, and (the problem at hand) `GenericDebugMDNode::getTemporary()` to give a temporary generic debug node. So I need to fold the idea of "temporary" nodes back into `UniquableMDNode`. (More commits to follow as I refactor.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226481 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
AsmParser | ||
Bitcode | ||
CodeGen | ||
DebugInfo | ||
ExecutionEngine | ||
IR | ||
IRReader | ||
LineEditor | ||
Linker | ||
LTO | ||
MC | ||
Object | ||
Option | ||
ProfileData | ||
Support | ||
TableGen | ||
Target | ||
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CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |