David Majnemer 891ec6d69f InstSimplify: shl nsw/nuw undef, %V -> undef ...

We can always choose an value for undef which might cause %V to shift
out an important bit except for one case, when %V is zero.

However, shl behaves like an identity function when the right hand side
is zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224405 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-17 01:54:33 +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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AndOrXor.ll

InstSimplify: Try to bring back the rest of r223583

2014-12-08 18:30:43 +00:00

apint-or.ll

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assume.ll

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call-callconv.ll

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call.ll

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compare.ll

InstSimplify: Handle some simple tautological comparisons

2014-11-25 02:55:48 +00:00

dead-code-removal.ll

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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

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fold-builtin-fma.ll

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gep.ll

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maxmin.ll

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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

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phi.ll

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ptr_diff.ll

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reassociate.ll

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rem.ll

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select.ll

InstSimplify: Restore optimizations lost in r210006

2014-11-27 06:32:46 +00:00

shr-nop.ll

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undef.ll

InstSimplify: shl nsw/nuw undef, %V -> undef

2014-12-17 01:54:33 +00:00

vector_gep.ll

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vector_ptr_bitcast.ll

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