diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Utils/MemorySSA.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp index e4acddd969b..151e60643c7 100644 --- a/llvm/lib/Transforms/Utils/MemorySSA.cpp +++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp @@ -490,9 +490,6 @@ class ClobberWalker { // First. Also note that First and Last are inclusive. MemoryAccess *First; MemoryAccess *Last; - // N.B. Blocker is currently basically unused. The goal is to use it to make - // cache invalidation better, but we're not there yet. - MemoryAccess *Blocker; Optional<ListIndex> Previous; DefPath(const MemoryLocation &Loc, MemoryAccess *First, MemoryAccess *Last, @@ -834,8 +831,7 @@ class ClobberWalker { // FIXME: This is broken, because the Blocker may be reported to be // liveOnEntry, and we'll happily wait for that to disappear (read: never) - // For the moment, this is fine, since we do basically nothing with - // blocker info. + // For the moment, this is fine, since we do nothing with blocker info. if (Optional<TerminatedPath> Blocker = getBlockingAccess( Target, PausedSearches, NewPaused, TerminatedPaths)) { // Cache our work on the blocking node, since we know that's correct. @@ -850,7 +846,6 @@ class ClobberWalker { DefPath &CurNode = *Iter; assert(CurNode.Last == Current); - CurNode.Blocker = Blocker->Clobber; // Two things: // A. We can't reliably cache all of NewPaused back. Consider a case |
