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llvm-mirror/unittests
Sanjoy Das c75f995ef0 Teach SCEV normalization to de/normalize non-affine add recs
Summary:
Before this change, SCEV Normalization would incorrectly normalize
non-affine add recurrences.  To work around this there was (still is)
a check in place to make sure we only tried to normalize affine add
recurrences.

We recently found a bug in aforementioned check to bail out of
normalizing non-affine add recurrences.  However, instead of fixing
the bailout, I have decided to teach SCEV normalization to work
correctly with non-affine add recurrences, making the bailout
unnecessary (I'll remove it in a subsequent change).

I've also added some unit tests (which would have failed before this
change).

Reviewers: atrick, sunfish, efriedma

Reviewed By: atrick

Subscribers: mcrosier, mzolotukhin, llvm-commits

Differential Revision: https://reviews.llvm.org/D32104

llvm-svn: 301281
2017-04-25 00:09:19 +00:00
..
ADT [APInt] Add ashrInPlace method and rewrite ashr to make a copy and then call ashrInPlace. 2017-04-24 17:18:47 +00:00
Analysis Teach SCEV normalization to de/normalize non-affine add recs 2017-04-25 00:09:19 +00:00
AsmParser
Bitcode Reapply "Make BitCodeAbbrev ownership explicit using shared_ptr rather than IntrusiveRefCntPtr"" 2017-01-04 22:36:33 +00:00
CodeGen [SVE] Fix mismatched sign comparison warning in unit test from r300842. 2017-04-20 16:54:49 +00:00
DebugInfo Remove the unnecessary virtual dtor from the DIEUnit hierarchy (in favor of protected dtor in the base, final derived classes with public non-virtual dtors) 2017-04-22 02:18:00 +00:00
ExecutionEngine [IR] Make paramHasAttr to use arg indices instead of attr indices 2017-04-14 20:19:02 +00:00
IR [APInt] Cast more calls to add/sub/mul overflow functions to void. I missed the unittests in r300758. 2017-04-19 22:11:05 +00:00
LineEditor
Linker Implement intrinsic mangling for literal struct types. 2017-02-15 23:16:20 +00:00
MC
MI Fix subreg value numbers in handleMoveUp 2017-03-11 00:14:52 +00:00
Object Fix unittest for buildbot with mips host (32bit big endian) from r295174 2017-02-15 16:03:22 +00:00
ObjectYAML
Option Fix some ArgList uses after API change in r300135. 2017-04-12 23:43:58 +00:00
ProfileData Fix signed/unsigned comparison warning 2017-03-11 19:38:22 +00:00
Support Revert "Refactor DynamicLibrary so searching for a symbol will have a defined order" 2017-04-24 20:16:01 +00:00
Target
Transforms Prefer addAttr(Attribute::AttrKind) over the AttributeList overload 2017-04-19 17:28:52 +00:00
XRay [XRay][graph] Disambiguate name of type from member name 2017-02-10 06:59:25 +00:00
CMakeLists.txt [XRay] A graph Class for the llvm-xray graph 2017-02-10 06:36:08 +00:00