llvm-project/llvm/test/Transforms/InstSimplify
Sanjay Patel 40eaa8df99 Fix really obscure bug in CannotBeNegativeZero() (PR22688)
With a diabolically crafted test case, we could recurse
through this code and return true instead of false.

The larger engineering crime is the use of magic numbers. 
Added FIXME comments for those.

llvm-svn: 230515
2015-02-25 18:00:15 +00:00
..
2010-12-20-Boolean.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
2011-01-14-Thread.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
2011-02-01-Vector.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
2011-09-05-InsertExtractValue.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
2011-10-27-BinOpCrash.ll
2011-11-23-MaskedBitsCrash.ll
2013-04-19-ConstantFoldingCrash.ll
AndOrXor.ll InstSimplify: Try to bring back the rest of r223583 2014-12-08 18:30:43 +00:00
apint-or.ll Move optimization of some cases of (A & C1)|(B & C2) from instcombine to instsimplify. Patch by Rahul Jain, plus some last minute changes by me -- you can blame me for any bugs. 2014-06-19 03:51:46 +00:00
assume.ll Add @llvm.assume, lowering, and some basic properties 2014-07-25 21:13:35 +00:00
call-callconv.ll
call.ll Verify that we don't optimize null return checks to the nothrow_t version of operator new. 2013-09-24 18:37:49 +00:00
compare.ll InstSimplify: Handle some simple tautological comparisons 2014-11-25 02:55:48 +00:00
dead-code-removal.ll RecursivelyDeleteTriviallyDeadInstructions() could remove 2014-04-26 05:58:11 +00:00
exact-nsw-nuw.ll InstCombine, InstSimplify: (%X /s C1) /s C2 isn't always 0 when C1 * C2 overflow 2014-10-11 10:20:01 +00:00
fast-math.ll InstSimplify: simplify 0 / X if nnan and nsz 2015-02-23 18:30:25 +00:00
fdiv.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
floating-point-arithmetic.ll Fix really obscure bug in CannotBeNegativeZero() (PR22688) 2015-02-25 18:00:15 +00:00
floating-point-compare.ll Fold fcmp in cases where value is provably non-negative. By Arch Robison. 2015-01-28 08:03:58 +00:00
fold-builtin-fma.ll Revert "r216914 - Revert: [APFloat] Fixed a bug in method 'fusedMultiplyAdd'" 2014-10-14 19:23:07 +00:00
gep.ll InstSimplify: Don't simplify gep X, (Y-X) to Y if types differ 2014-08-27 20:08:34 +00:00
load.ll IR: Properly return nullptr when getAggregateElement is out-of-bounds 2015-02-16 04:02:09 +00:00
maxmin.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
noalias-ptr.ll Revert "r223364 - Revert r223347 which has caused crashes on bootstrap bots." 2014-12-04 17:45:19 +00:00
past-the-end.ll
phi.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
ptr_diff.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
reassociate.ll Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 2013-07-14 01:42:54 +00:00
rem.ll InstSimplify: Don't allow (x srem y) urem y -> x srem y 2014-09-17 04:16:35 +00:00
select.ll InstSimplify: Optimize away pointless comparisons 2014-12-20 03:04:38 +00:00
shr-nop.ll InstSimplify: Exact shifts of X by Y are X if X has the lsb set 2014-11-05 00:59:59 +00:00
undef.ll ConstantFold: Shifting undef by zero results in undef 2014-12-18 23:54:43 +00:00
vector_gep.ll InstSimplify: Make shift, select and GEP simplifications vector-aware. 2014-01-24 17:09:53 +00:00
vector_ptr_bitcast.ll [InstSimplify] Support constant folding to vector of pointers 2014-10-22 12:18:48 +00:00