AtariDreams 10e7671d9a Reland "[InstCombine] Fold (sub nuw X, (Y << nuw Z)) >>u exact Z --> (X >>u exact Z) sub nuw Y" (#93571) ...

This is the same fold as ((X << nuw Z) sub nuw Y) >>u exact Z --> X sub
nuw (Y >>u exact Z), but with the sub operands swapped.

Alive2 Proof:
https://alive2.llvm.org/ce/z/pT-RxG

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

..

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

…

InstCombineCalls.cpp

[InstCombine] Removing the combine of fmuladd with fast flag

2024-05-21 14:33:39 +08:00

InstCombineCasts.cpp

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

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

InstCombineCompares.cpp

[InstCombine] Make the (icmp eq/ne (and X, Y), X) canonicalization work for non-const operands

2024-05-29 02:38:23 -05:00

InstCombineInternal.h

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

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

InstCombineLoadStoreAlloca.cpp

InstCombine: Stop handling bitcast in PointerReplacer (#92937)

2024-05-21 20:49:21 +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] Drop nuw flag when CtlzOp is a sub nuw (#91776)

2024-05-13 14:27:59 +08:00

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

[InstCombine] Remove shl if we only demand known signbits of shift source (#79014)

2024-04-10 11:19:09 +09:00

InstCombineVectorOps.cpp

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

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

InstructionCombining.cpp

[nfc][InstCombine]Find PHI incoming block by operand number (#93249)

2024-05-24 14:19:02 -07:00