Justin Lebar 34292bd5ac [ValueTracking] Implement SignBitMustBeZero correctly for sqrt. ...

Summary:
Previously we assumed that the result of sqrt(x) always had 0 as its
sign bit.  But sqrt(-0) == -0.

Reviewers: hfinkel, efriedma, sanjoy

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D28928

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293115 91177308-0d34-0410-b5e6-96231b3b80d8

2017-01-26 00:10:26 +00:00

..

2010-12-20-Boolean.ll

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2011-01-14-Thread.ll

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2011-02-01-Vector.ll

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2011-09-05-InsertExtractValue.ll

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2011-10-27-BinOpCrash.ll

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2011-11-23-MaskedBitsCrash.ll

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2013-04-19-ConstantFoldingCrash.ll

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add-mask.ll

Revert @llvm.assume with operator bundles (r289755-r289757)

2016-12-19 08:22:17 +00:00

and-icmps-same-ops.ll

[InstSimplify] fixed (?) to not mutate icmps

2016-12-06 22:09:52 +00:00

AndOrXor.ll

[InstSimplify] move one and add more tests for potential negation folds

2016-10-19 18:42:12 +00:00

apint-or.ll

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assume.ll

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bitcast-vector-fold.ll

[ConstantFold] Improve the bitcast folding logic for constant vectors.

2016-09-13 14:50:47 +00:00

bitreverse.ll

[ValueTracking] Extend known bits to understand @llvm.bitreverse.

2017-01-17 17:23:51 +00:00

bswap.ll

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call-callconv.ll

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call.ll

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cast.ll

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compare.ll

[Constants] don't die processing non-ConstantInt GEP indices in isGEPWithNoNotionalOverIndexing() (PR31262)

2016-12-11 20:07:02 +00:00

dead-code-removal.ll

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div.ll

[InstSimplify] Optimize away udivs in the presence of range metadata

2017-01-06 22:58:02 +00:00

exact-nsw-nuw.ll

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fast-math.ll

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fdiv.ll

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floating-point-arithmetic.ll

[ValueTracking] Implement SignBitMustBeZero correctly for sqrt.

2017-01-26 00:10:26 +00:00

floating-point-compare.ll

[instsimplify] Fix incorrect folding of an ordered fcmp with a vector of all NaN.

2016-09-02 14:47:43 +00:00

fold-builtin-fma.ll

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gep.ll

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icmp-constant.ll

[InstSimplify] try to eliminate icmp Pred (add nsw X, C1), C2

2017-01-24 17:03:24 +00:00

implies.ll

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load-relative-32.ll

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load-relative.ll

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load.ll

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maxmin.ll

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negate.ll

[InstSimplify] fold negation of sign-bit

2016-10-19 21:23:45 +00:00

noalias-ptr.ll

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or-icmps-same-ops.ll

[InstSimplify] fixed (?) to not mutate icmps

2016-12-06 22:09:52 +00:00

past-the-end.ll

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phi.ll

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pr28725.ll

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ptr_diff.ll

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reassociate.ll

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rem.ll

[InstSimplify] Optimize away urems in the presence of range metadata

2017-01-06 21:23:51 +00:00

require-dominator.ll

Add unittest for r280760

2016-09-08 16:53:40 +00:00

returned.ll

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select.ll

[InstCombine] if the condition of a select may be known via assumes, eliminate the select

2017-01-13 17:02:42 +00:00

shift-128-kb.ll

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shift-knownbits.ll

[InstCombine / InstSimplify] add and move tests for lshr transforms; NFC

2017-01-13 22:54:12 +00:00

shr-nop.ll

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undef.ll

[InstCombine] replace divide-by-constant checks with asserts; NFC

2016-08-30 17:31:34 +00:00

vec-cmp.ll

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vector_gep.ll

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vector_ptr_bitcast.ll

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