Use reverse iterators when updating the vector, since scanning from
authorAlkis Evlogimenos <alkis@evlogimenos.com>
Thu, 22 Jul 2004 02:16:53 +0000 (02:16 +0000)
committerAlkis Evlogimenos <alkis@evlogimenos.com>
Thu, 22 Jul 2004 02:16:53 +0000 (02:16 +0000)
commit10e169b0386d4fd93dca648b1188be0df0d9d405
tree934a0d3ca6dc9f635e003754eb34a27c94254710
parent6beef3e1a085a0f3693fa6eff1b0b702e2c246e7
Use reverse iterators when updating the vector, since scanning from
the end will reduce erase() runtimes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15093 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegAllocIterativeScan.cpp