elhewaty 2614672cc1 [InstCombine] Fold ((cst << x) & 1) --> x == 0 when cst is odd (#79772) ...

Fold ((cst << x) & 1) to zext(x == 0) when cst is odd.

Fixes: https://github.com/llvm/llvm-project/issues/73384
Alive2: https://alive2.llvm.org/ce/z/5RbaK6

2024-02-05 16:27:53 +01:00

..

CMakeLists.txt

…

InstCombineAddSub.cpp

[InstCombine] Add folds for (add/sub/disjoint_or/icmp C, (ctpop (not x)))

2024-01-15 12:05:38 -08:00

InstCombineAndOrXor.cpp

[InstCombine] Fold ((cst << x) & 1) --> x == 0 when cst is odd (#79772)

2024-02-05 16:27:53 +01:00

InstCombineAtomicRMW.cpp

…

InstCombineCalls.cpp

[ValueTracking] Merge cannotBeOrderedLessThanZeroImpl into computeKnownFPClass (#76360)

2024-01-31 18:26:50 +08:00

InstCombineCasts.cpp

[InstCombine] Try to fold trunc(shuffle(zext)) to just a shuffle (#78636)

2024-01-22 05:50:20 -08:00

InstCombineCompares.cpp

[InstCombine] Handle isNanOrInf idioms (#80414)

2024-02-04 07:09:37 +08:00

InstCombineInternal.h

[DebugInfo][RemoveDIs] Add a DPValue implementation for instcombine sinking (#77930)

2024-01-25 23:28:56 +00:00

InstCombineLoadStoreAlloca.cpp

[Loads] Use BatchAAResults for available value APIs (NFCI)

2024-01-24 14:04:21 +01:00

InstCombineMulDivRem.cpp

[InstCombine] combine mul(abs(x),abs(y)) to abs(mul(x,y)) (#78395)

2024-01-18 20:12:00 +08:00

InstCombineNegator.cpp

[Transforms] Remove unused forward declarations (NFC)

2023-12-10 10:07:12 -08:00

InstCombinePHI.cpp

[InstCombine] Fix phi or icmp fold with disjoint flag

2023-11-30 16:23:00 +01:00

InstCombineSelect.cpp

[InstCombine] Fold select with signbit idiom into fabs (#76342)

2024-01-31 15:42:09 +08:00

InstCombineShifts.cpp

[InstCombine] Preserve nuw/nsw/exact flags when transforming (C shift (A add nuw C1)) --> ((C shift C1) shift A). (#79490)

2024-01-26 11:33:53 -08:00

InstCombineSimplifyDemanded.cpp

[InstCombine] Return poison if all lanes are poison

2023-12-19 12:43:23 +01:00

InstCombineVectorOps.cpp

[InstCombine] Preserve poison in bitcast of insertelement fold

2023-12-19 13:06:04 +01:00

InstructionCombining.cpp

[DebugInfo][RemoveDIs] Add a DPValue implementation for instcombine sinking (#77930)

2024-01-25 23:28:56 +00:00