Noah Goldstein 7c9fe735d4 [ValueTracking] Strengthen analysis in computeKnownBits of phi ...

Use the comparison based analysis to strengthen the standard
knownbits analysis rather than choosing either/or.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D157807

2023-08-22 10:59:03 -05:00

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aarch64.irg.ll

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assume-queries-counter.ll

[InstCombine] Set dead phi inputs to poison in more cases

2023-08-01 11:53:47 +02:00

assume.ll

[InstCombine] Set dead phi inputs to poison in more cases

2023-08-01 11:53:47 +02:00

deref-abstract-gc.ll

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deref-bitcast-of-gep.ll

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dereferenceable-and-aligned.ll

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func-ptr-lsb.ll

[Tests] Remove some and/or constant expressions in tests (NFC)

2023-08-21 12:05:32 +02:00

gep-negative-issue.ll

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get-pointer-base-with-const-off.ll

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invariant.group.ll

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known-bits-from-operator-constexpr.ll

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known-bits-from-range-md.ll

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known-non-equal.ll

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known-non-zero.ll

[ValueTracking] deduce X * Y != 0 if LowestKnownBit(X) * LowestKnownBit(Y) != 0

2023-05-16 18:58:12 -05:00

known-nonnull-at.ll

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known-power-of-two-urem.ll

[InstCombine] Remove unneeded isa<PHINode> check in foldOpIntoPhi

2023-08-16 21:09:08 +05:30

known-power-of-two.ll

[ValueTracking] In isKnownToBeAPowerOfTwo an i1 value is always true if OrZero is set

2023-08-09 14:42:55 -05:00

knownbits-abs.ll

[KnownBits] Improve implementation of KnownBits::abs

2023-05-23 13:52:39 -05:00

knownbits-and-or-xor-lowbit.ll

Use analyzeKnownBitsFromAndXorOr in SimplifyDemandedUseBits for and/xor/or

2023-02-23 19:52:17 -06:00

knownbits-bmi-pattern.ll

Use analyzeKnownBitsFromAndXorOr in SimplifyDemandedUseBits for and/xor/or

2023-02-23 19:52:17 -06:00

knownbits-div.ll

[ValueTracking] Use KnownBits::sdiv for sdiv opcode in computeKnownBits

2023-05-16 18:58:12 -05:00

knownbits-rem-lowbits.ll

[KnownBits] Improve KnownBits::rem(X, Y) in cases where we can deduce low-bits of output

2023-05-07 19:11:53 -05:00

knownbits-sat-addsub.ll

[ValueTracking] Use KnownBits functions for computeKnownBits of saturating add/sub functions

2023-05-23 13:52:40 -05:00

knownzero-addrspacecast.ll

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knownzero-shift.ll

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memory-dereferenceable.ll

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monotonic-phi.ll

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non-negative-phi-bits.ll

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numsignbits-from-assume.ll

[InstCombine] Only perform one iteration

2023-07-31 10:56:49 +02:00

phi-known-bits.ll

[ValueTracking] Strengthen analysis in computeKnownBits of phi

2023-08-22 10:59:03 -05:00

phi-known-nonzero.ll

[ValueTracking] Use predicates for incoming phi-edges to deduce non-zero

2023-08-22 10:59:02 -05:00

pr23011.ll

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select-known-non-zero-const.ll

[ValueTracking] Use select condition to help determine if select is non-zero

2023-05-23 13:52:40 -05:00

select-known-non-zero.ll

[ValueTracking] Use select condition to help determine if select is non-zero

2023-05-23 13:52:40 -05:00

select-pattern.ll

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shift-recurrence-knownbits.ll

[ValueTracking] Avoid UB in test (NFC)

2023-05-26 15:55:20 +02:00

signbits-extract-elt.ll

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