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Update a comment. 

r279696, which changed `LLVM_CONSTEXPR AliasAttr` to `const AliasAttr`,
made this comment make less sense.

llvm-svn: 279699
This commit is contained in:
George Burgess IV 2016-08-25 01:29:55 +00:00
parent 1eb473680a
commit ff7205ca85
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/Analysis/AliasAnalysisSummary.cpp
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@ -15,9 +15,8 @@ const unsigned AttrFirstArgIndex = 4;
const unsigned AttrLastArgIndex = NumAliasAttrs;
const unsigned AttrMaxNumArgs = AttrLastArgIndex - AttrFirstArgIndex;
// NOTE: These aren't AliasAttrs because bitsets don't have a constexpr
// ctor for some versions of MSVC that we support. We could maybe refactor,
// but...
// It would be *slightly* prettier if we changed these to AliasAttrs, but it
// seems that both GCC and MSVC emit dynamic initializers for const bitsets.
using AliasAttr = unsigned;
const AliasAttr AttrNone = 0;
const AliasAttr AttrEscaped = 1 << AttrEscapedIndex;