Stanislav Mekhanoshin b92412fb28 [InstCombine] Fold (a & ~b) & ~c to a & ~(b | c) ...

%not1 = xor i32 %b, -1
  %not2 = xor i32 %c, -1
  %and1 = and i32 %a, %not1
  %and2 = and i32 %and1, %not2
=>
  %i1 = or i32 %b, %c
  %i2 = xor i32 %1, -1
  %and2 = and i32 %i2, %a

Differential Revision: https://reviews.llvm.org/D112108

2021-10-20 13:05:46 -07:00

..

CMakeLists.txt

…

InstCombineAddSub.cpp

[APInt] Stop using soft-deprecated constructors and methods in llvm. NFC.

2021-10-04 08:57:44 +01:00

InstCombineAndOrXor.cpp

[InstCombine] Fold (a & ~b) & ~c to a & ~(b | c)

2021-10-20 13:05:46 -07:00

InstCombineAtomicRMW.cpp

…

InstCombineCalls.cpp

[CSSPGO] Unblock optimizations with pseudo probe instrumentation part 3.

2021-10-12 09:44:12 -07:00

InstCombineCasts.cpp

[InstCombine] fold fake vector insert to bit-logic

2021-10-20 14:21:40 -04:00

InstCombineCompares.cpp

[ADT] Add APInt::isNegatedPowerOf2() helper

2021-10-19 14:38:21 +01:00

InstCombineInternal.h

[InstCombine] fold fake vector extract to shift+trunc

2021-10-06 08:12:05 -04:00

InstCombineLoadStoreAlloca.cpp

[CSSPGO] Unblock optimizations with pseudo probe instrumentation part 3.

2021-10-12 09:44:12 -07:00

InstCombineMulDivRem.cpp

[InstCombine] propagate no-wrap flag through select-of-mul fold

2021-10-12 12:57:20 -04:00

InstCombineNegator.cpp

[Transforms] Use range-based for loops (NFC)

2021-02-08 22:33:53 -08:00

InstCombinePHI.cpp

[InstCombine] Fold phi ( inttoptr/ptrtoint x ) to phi (x)

2021-08-03 17:52:59 +05:30

InstCombineSelect.cpp

[APInt] Stop using soft-deprecated constructors and methods in llvm. NFC.

2021-10-04 08:57:44 +01:00

InstCombineShifts.cpp

[InstCombine] Support arbitrary const shift amount for lshr (sext i1 ...)

2021-10-15 13:39:13 +03:00

InstCombineSimplifyDemanded.cpp

[APInt] Stop using soft-deprecated constructors and methods in llvm. NFC.

2021-10-04 08:57:44 +01:00

InstCombineVectorOps.cpp

[Analysis] add utility function for unary shuffle mask creation

2021-10-18 09:00:39 -04:00

InstructionCombining.cpp

[InstCombine] Remove attributes after hoisting free above null check

2021-10-13 15:34:56 -07:00