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-rw-r--r--llvm/lib/Analysis/AliasAnalysisSummary.cpp5
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/AliasAnalysisSummary.cpp b/llvm/lib/Analysis/AliasAnalysisSummary.cpp
index 09a6b8217a0..2b4879453be 100644
--- a/llvm/lib/Analysis/AliasAnalysisSummary.cpp
+++ b/llvm/lib/Analysis/AliasAnalysisSummary.cpp
@@ -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;
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