llvm/test/Transforms/LoopUnroll
Bradley Smith 8cff277de2 [SCEV] Improve Scalar Evolution's use of no {un,}signed wrap flags
In a case where we have a no {un,}signed wrap flag on the increment, if
RHS - Start is constant then we can avoid inserting a max operation bewteen
the two, since we can statically determine which is greater.

This allows us to unroll loops such as:

 void testcase3(int v) {
   for (int i=v; i<=v+1; ++i)
     f(i);
 }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220960 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-31 11:40:32 +00:00
..
PowerPC Use a loop to simplify the runtime unrolling prologue. 2014-09-29 11:15:00 +00:00
X86 Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
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 Add functions for finding ephemeral values 2014-09-07 13:49:57 +00:00
ignore-annotation-intrinsic-cost.ll Ignore annotation function calls in cost computation 2014-09-26 17:48:40 +00:00
loop-remarks.ll
nsw-tripcount.ll [SCEV] Improve Scalar Evolution's use of no {un,}signed wrap flags 2014-10-31 11:40:32 +00:00
partial-unroll-optsize.ll
pr10813.ll
pr11361.ll
pr14167.ll
pr18861.ll LCSSA should be performed on the outermost affected loop while unrolling loop. 2014-05-29 06:47:23 +00:00
runtime-loop1.ll Use a loop to simplify the runtime unrolling prologue. 2014-09-29 11:15:00 +00:00
runtime-loop2.ll Use a loop to simplify the runtime unrolling prologue. 2014-09-29 11:15:00 +00:00
runtime-loop3.ll
runtime-loop.ll Use a loop to simplify the runtime unrolling prologue. 2014-09-29 11:15:00 +00:00
scevunroll.ll This patch de-pessimizes the calculation of loop trip counts in 2014-10-10 17:39:11 +00:00
shifted-tripcount.ll
unloop.ll
unroll-pragmas-disabled.ll After unrolling a loop with llvm.loop.unroll.count metadata (unroll factor 2014-07-24 22:36:40 +00:00
unroll-pragmas.ll In unroll pragma syntax and loop hint metadata, change "enable" forms to a new form using the string "full". 2014-07-23 17:31:37 +00:00
update-loop-info-in-subloops.ll LoopUnroll: Create sub-loops in LoopInfo 2014-10-07 21:19:00 +00:00