[PATCH] Remove the gc.root's findCustomSafePoints mechanism

[Peter Zotov]

================
Comment at: lib/CodeGen/ErlangGC.cpp:59
@@ -58,3 @@
-  MCSymbol *Label = MBB.getParent()->getContext().CreateTempSymbol();
-  BuildMI(MBB, MI, DL, TII->get(TargetOpcode::GC_LABEL)).addSym(Label);
-  return Label;
----------------
Do I understand it correctly that the GC_LABEL MI will be inserted elsewhere for this safepoint?

http://reviews.llvm.org/D7004

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