[MemorySSA] Remove unused field. NFC.
authorGeorge Burgess IV <george.burgess.iv@gmail.com>
Mon, 22 Aug 2016 23:40:01 +0000 (23:40 +0000)
committerGeorge Burgess IV <george.burgess.iv@gmail.com>
Mon, 22 Aug 2016 23:40:01 +0000 (23:40 +0000)
commit7f414b90ab9f96948c11bd5d4f4d925f70969266
treefe444ea9b5f549ae92c3c10d9a5b0cacd3864560
parent67bde2862784f24627e8cdb8a2fda2600fa6fd7e
[MemorySSA] Remove unused field. NFC.

Given that we're not currently using blocker info, and whether or not we
will end up using it it is unclear, don't waste 8 (or 4) bytes of memory
per path node.

llvm-svn: 279493
llvm/lib/Transforms/Utils/MemorySSA.cpp