llvm-6502

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History

Duncan P. N. Exon Smith 7280d8ccce IR: Drop uniquing for self-referencing MDNodes

It doesn't make sense to unique self-referencing nodes.  Drop uniquing
for them.

Note that `MDNode::intersect()` occasionally returns self-referencing
nodes.  Previously these would be returned by `MDNode::get()`.  I'm not
convinced this was intended behaviour -- to me it seems it should return
a node whose only operand is the self-reference -- but I don't know much
about alias scopes so I'm preserving it for now.

This is part of PR21532.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223618 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-07 19:52:06 +00:00

ADT

Silencing several "multiple copy constructors" warnings from MSVC; NFC.

2014-12-03 14:44:16 +00:00

Analysis

CallGraphTest.cpp: Remove invalid tests. ++S might step over F if S == F.

2014-11-18 12:23:19 +00:00

Bitcode

[Bitcode] AtEndOfStream should only check against the size if it's known.

2014-11-13 00:08:41 +00:00

CodeGen

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