tree 6015bdec65b29b3a63176e18ac2838e0079b3bc3
parent 6a1220eeca1f3511bcf6ffed43a9ae77624eb8a8
author Jakob Stoklund Olesen <stoklund@2pi.dk> 1302062220 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> 1302062220 +0000

Analyze blocks with uses separately from live-through blocks without uses.

About 90% of the relevant blocks are live-through without uses, and the only
information required about them is their number. This saves memory and enables
later optimizations that need to look at only the use-blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128985 91177308-0d34-0410-b5e6-96231b3b80d8