James Molloy 897048bee3 [ValueTracking] Teach isKnownNonZero about monotonically increasing PHIs ...

If a PHI starts at a non-negative constant, monotonically increases
(only adds of a constant are supported at the moment) and that add
does not wrap, then the PHI is known never to be zero.

llvm-svn: 248796

2015-09-29 14:08:45 +00:00

..

assume.ll

[ValueTracking] do not overwrite analysis results already computed

2015-06-15 05:46:29 +00:00

dom-cond.ll

[ValueTracking] do not overwrite analysis results already computed

2015-06-15 05:46:29 +00:00

knownzero-shift.ll

[ValueTracking] Teach isKnownNonZero a new trick

2015-09-24 16:06:32 +00:00

memory-dereferenceable.ll

Introduce !align metadata for load instruction

2015-09-28 17:41:08 +00:00

monotonic-phi.ll

[ValueTracking] Teach isKnownNonZero about monotonically increasing PHIs

2015-09-29 14:08:45 +00:00

pr23011.ll

[ValueTracking] Fix PR23011.

2015-03-25 22:33:53 +00:00

pr24866.ll

Fix for pr24866

2015-09-21 22:04:10 +00:00