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	[PowerPC] Readjust the loop unrolling threshold	2015-01-10 00:31:10 +00:00
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	[LoopUnroll] Fix the partial unrolling threshold for small loop sizes	2015-01-10 00:30:55 +00:00
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	[LoopUnroll] Fix the partial unrolling threshold for small loop sizes	2015-01-10 00:30:55 +00:00
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	IR: Add 'distinct' MDNodes to bitcode and assembly	2015-01-08 22:38:29 +00:00
unroll-pragmas.ll	Use a smaller pragma unroll threshold to reduce test execution time.	2015-01-21 13:52:02 +00:00
update-loop-info-in-subloops.ll