[PATCH] D20116: Add nosideeffects function attribute

[Mehdi AMINI via llvm-commits]

joker.eph added inline comments.

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Comment at: docs/LangRef.rst:1386
@@ -1384,1 +1385,3 @@
+    This function attribute indicates that the function has no side effects
+    and can be safely speculated.
 ``nounwind``
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IIRC, annoyingly the backend considers that an instructions can access memory and still don't have side-effect. It'd be nice to align (but I think the backend is "wrong" on this one).



http://reviews.llvm.org/D20116