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David Majnemer 1f13752cbe [FunctionAttrs] Volatile loads should disable readonly
A volatile load has side effects beyond what callers expect readonly to
signify.  For example, it is not safe to reorder two function calls
which each perform a volatile load to the same memory location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270671 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-25 05:53:04 +00:00
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2016-02-09 22:50:34 +00:00