llvm-6502/test/Transforms/LoopUnroll
Sanjoy Das 6da5a456f4 Partial fix for bug 22589
Don't spend the entire iteration space in the scalar loop prologue if
computing the trip count overflows.  This change also gets rid of the
backedge check in the prologue loop and the extra check for
overflowing trip-count.

Differential Revision: http://reviews.llvm.org/D7715



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229731 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-18 19:32:25 +00:00
..
PowerPC
X86
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
2012-04-09-unroll-indirectbr.ll
basic.ll
ephemeral.ll
full-unroll-heuristics.ll [unroll] Concede defeat and disable the unroll analyzer for now. 2015-02-13 05:31:46 +00:00
ignore-annotation-intrinsic-cost.ll
loop-remarks.ll
nsw-tripcount.ll
partial-unroll-optsize.ll
pr10813.ll
pr11361.ll
pr14167.ll
pr18861.ll
runtime-loop1.ll Partial fix for bug 22589 2015-02-18 19:32:25 +00:00
runtime-loop2.ll
runtime-loop3.ll
runtime-loop.ll Partial fix for bug 22589 2015-02-18 19:32:25 +00:00
scevunroll.ll
shifted-tripcount.ll
tripcount-overflow.ll Partial fix for bug 22589 2015-02-18 19:32:25 +00:00
unloop.ll
unroll-pragmas-disabled.ll
unroll-pragmas.ll
update-loop-info-in-subloops.ll