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Patch by Brendon Cahoon! This extends the existing LoopUnroll and LoopUnrollPass. Brendon measured no regressions in the llvm test suite with -unroll-runtime enabled. This implementation works by using the existing loop unrolling code to unroll the loop by a power-of-two (default 8). It generates an if-then-else sequence of code prior to the loop to execute the extra iterations before entering the unrolled loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146245 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
2004-05-13-DontUnrollTooMuch.ll | ||
2005-03-06-BadLoopInfoUpdate.ll | ||
2006-08-24-MultiBlockLoop.ll | ||
2007-04-16-PhiUpdate.ll | ||
2007-05-05-UnrollMiscomp.ll | ||
2007-05-09-UnknownTripCount.ll | ||
2007-11-05-Crash.ll | ||
2011-08-08-PhiUpdate.ll | ||
2011-08-09-IVSimplify.ll | ||
2011-08-09-PhiUpdate.ll | ||
2011-10-01-NoopTrunc.ll | ||
basic.ll | ||
dg.exp | ||
pr10813.ll | ||
pr11361.ll | ||
runtime-loop1.ll | ||
runtime-loop2.ll | ||
runtime-loop3.ll | ||
runtime-loop.ll | ||
scevunroll.ll | ||
shifted-tripcount.ll | ||
unloop.ll |