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Disallow null as a named metadata operand.

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Make MDNode::destroy private.
Fix the one thing that used MDNode::destroy, outside of MDNode itself.

One should never delete or destroy an MDNode explicitly. MDNodes
implicitly go away when there are no references to them (implementation
details aside).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109028 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-07-21 18:54:18 +00:00
parent ec237ffd28
commit 872814ae04
11 changed files with 20 additions and 40 deletions
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2
test/Feature/NamedMDNode.ll
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@@ -3,7 +3,7 @@
;; Simple NamedMDNode
!0 = metadata !{i32 42}
!1 = metadata !{metadata !"foo"}
!llvm.stuff = !{!0, !1, null}
!llvm.stuff = !{!0, !1}
!samename = !{!0, !1}
declare void @samename()