Zvi Rackover 30efd24d78 InstSimplify: A shuffle of a splat is always the splat itself ...

Summary:
Fold:
 shuffle (splat-shuffle), undef, M --> splat-shuffle

Reviewers: spatel, RKSimon, craig.topper

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31527

llvm-svn: 299990

2017-04-11 21:37:02 +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

addsub.ll

[InstSimplify] Add test cases for mixing add/sub i1 with xor of i1. Seems we can simplify in one direction but not the other.

2017-04-06 05:48:06 +00:00

and-icmps-same-ops.ll

[InstSimplify] fixed (?) to not mutate icmps

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

AndOrXor.ll

[InstSimplify] add nsw/nuw (xor X, signbit), signbit --> X

2017-02-18 21:59:09 +00:00

apint-or.ll

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assume.ll

[ValueTracking] emit a remark when we detect a conflicting assumption (PR31809)

2017-02-06 18:26:06 +00:00

bitcast-vector-fold.ll

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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] allow folds for bool vector div/rem

2017-03-09 21:56:03 +00:00

exact-nsw-nuw.ll

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fast-math.ll

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fdiv.ll

[InstSimplify] add constant folding for fdiv/frem

2017-04-01 19:05:11 +00:00

floating-point-arithmetic.ll

[ValueTracking] Implement SignBitMustBeZero correctly for sqrt.

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

floating-point-compare.ll

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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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mul.ll

[InstSimplify] Teach SimplifyMulInst to recognize vectors of i1 as And. Not just scalar i1.

2017-04-06 17:33:37 +00:00

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] allow folds for bool vector div/rem

2017-03-09 21:56:03 +00:00

require-dominator.ll

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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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shufflevector.ll

InstSimplify: A shuffle of a splat is always the splat itself

2017-04-11 21:37:02 +00:00

undef.ll

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vec-cmp.ll

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vector_gep.ll

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vector_ptr_bitcast.ll

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