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(parent: 19caec7) | patch
Simplify the MachineLICM pass by having it only traverse outer
authorDan Gohman <gohman@apple.com>
Thu, 15 Jan 2009 22:01:38 +0000 (22:01 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 15 Jan 2009 22:01:38 +0000 (22:01 +0000)
commitc475c3608a5f0fc0c6bd43da04ae786649690070
tree63040b524f899751f97f06b8bbf6f451e2b7c5c0tree | snapshot
parent19caec79f29936d1828c15bf3416f4741b72d768commit | diff
Simplify the MachineLICM pass by having it only traverse outer
loops, hoisting instructions all the way out in one step rather
than hoisting them one nest level at a time. Also, make a few
other code simplifications. This speeds up MachineLICM
by several fold.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62283 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/MachineBasicBlock.h diff | blob | history
lib/CodeGen/MachineLICM.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors