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Add uwtable to the langref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135913 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1247,6 +1247,14 @@ define void @f() optsize { ... }
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function that doesn't have an <tt>sspreq</tt> attribute or which has
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an <tt>ssp</tt> attribute, then the resulting function will have
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an <tt>sspreq</tt> attribute.</dd>
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<dt><tt><b><a name="uwtable">uwtable</a></b></tt></dt>
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<dd>This attribute indicates that the ABI being targeted requires that
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an unwind table entry be produce for this function even if we can
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show that no exceptions passes by it. This is normally the case for
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the ELF x86-64 abi, but it can be disabled for some compilation
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units.</dd>
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</dl>
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</div>
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