Noah Goldstein 166c1849d6 [InstCombine] Fold (icmp eq/ne (xor x, y), C1) even if multiuse ...

Two folds unlocked:
    `(icmp eq/ne (xor x, C0), C1)` -> `(icmp eq/ne x, C2)`
    `(icmp eq/ne (xor x, y), 0)` -> `(icmp eq/ne x, y)`

This fixes regressions assosiated with #87180

Closes #87275

2024-06-07 15:06:41 -05:00

..

CMakeLists.txt

…

InstCombineAddSub.cpp

[InstCombine] Fold (add X, (sext/zext (icmp eq X, C)))

2024-06-01 17:49:15 -05:00

InstCombineAndOrXor.cpp

Replace uses of ConstantExpr::getCompare. (#91558)

2024-05-09 16:50:01 -07:00

InstCombineAtomicRMW.cpp

[InstCombine][NFC] Fold variable into assert

2023-02-01 12:04:19 +01:00

InstCombineCalls.cpp

[InstCombine] Use SimplifyQuery in isKnownSign()

2024-06-05 15:22:50 +02:00

InstCombineCasts.cpp

[InstCombine] Fold pointer adding in integer to arithmetic add (#91596)

2024-05-20 12:20:47 +08:00

InstCombineCompares.cpp

[InstCombine] Fold (icmp eq/ne (xor x, y), C1) even if multiuse

2024-06-07 15:06:41 -05:00

InstCombineInternal.h

[InstCombine] Retain debug information on store to null instruction (#86105)

2024-06-03 18:26:32 +01:00

InstCombineLoadStoreAlloca.cpp

[InstCombine] Preserve all gep nowrap flags in PointerReplacer

2024-06-04 09:30:43 +02:00

InstCombineMulDivRem.cpp

[InstCombine] Infer nuw on mul nsw with non-negative operands (#90170)

2024-04-29 09:53:09 +09:00

InstCombineNegator.cpp

[InstCombine] Fix miscompile in negation of select (#89698)

2024-04-24 10:56:26 +09:00

InstCombinePHI.cpp

Fix typo "indicies" (#92232)

2024-05-15 13:10:16 +01:00

InstCombineSelect.cpp

[InstCombine] Improve coverage of foldSelectValueEquivalence for constants

2024-06-06 20:02:57 -05:00

InstCombineShifts.cpp

Reland "[InstCombine] Fold (sub nuw X, (Y << nuw Z)) >>u exact Z --> (X >>u exact Z) sub nuw Y" (#93571)

2024-06-03 08:24:54 +02:00

InstCombineSimplifyDemanded.cpp

[KnownBits] Remove hasConflict() assertions (#94568)

2024-06-07 17:01:22 +02:00

InstCombineVectorOps.cpp

[InstCombine] Use m_Poison() instead of m_Undef() (NFCI)

2024-05-21 16:15:30 +02:00

InstructionCombining.cpp

[IR] Accept GEPNoWrapFlags in creation APIs

2024-06-04 14:08:33 +02:00