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llvm-project/llvm/lib/Transforms/InstCombine
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Noah Goldstein 5a3d9e0617 [InstCombine] Transform (shift X,Or(Y,BitWidth-1)) -> (shift X,BitWidth-1) 
shl : https://alive2.llvm.org/ce/z/_B7Qca
lshr: https://alive2.llvm.org/ce/z/6eXz_W
ashr: https://alive2.llvm.org/ce/z/oGEx-q

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D145326
2023-03-06 20:30:06 -06:00
..
CMakeLists.txt
…
InstCombineAddSub.cpp
[InstCombine] reassociate subtract-from-constant to add-constant
2023-02-28 14:21:13 -05:00
InstCombineAndOrXor.cpp
InstCombine: Fold and/or of fcmp into class
2023-02-23 06:19:40 -04:00
InstCombineAtomicRMW.cpp
[InstCombine][NFC] Fold variable into assert
2023-02-01 12:04:19 +01:00
InstCombineCalls.cpp
ADT: Move some FPClassTest utility functions out of instcombine
2023-03-03 18:20:47 -04:00
InstCombineCasts.cpp
[IR] Remove ConstantExpr::getUMin() (NFC)
2023-03-06 13:16:27 +01:00
InstCombineCompares.cpp
[InstCombine] Add transform (icmp eq/ne bitreverse(x), C) -> (icmp eq/ne x, bitreverse(C))
2023-03-06 20:29:34 -06:00
InstCombineInternal.h
[InstCombine] fold icmp of the sum of ext bool based on limited range
2023-02-15 10:34:00 +08:00
InstCombineLoadStoreAlloca.cpp
[InstCombine] Call simplifyLoadInst()
2023-02-20 10:49:44 +01:00
InstCombineMulDivRem.cpp
[InstCombine] relax constraint on udiv fold
2023-02-20 15:08:32 -05:00
InstCombineNegator.cpp
Don't include Optional.h
2022-12-14 21:16:22 -08:00
InstCombinePHI.cpp
[InstCombine] use dyn_cast instead of isa+cast; NFC
2023-03-06 13:49:47 -05:00
InstCombineSelect.cpp
[InstCombine] fold signed absolute diff patterns
2023-03-06 13:49:48 -05:00
InstCombineShifts.cpp
[InstCombine] Transform (shift X,Or(Y,BitWidth-1)) -> (shift X,BitWidth-1)
2023-03-06 20:30:06 -06:00
InstCombineSimplifyDemanded.cpp
[InstCombine] use demanded vector elements to eliminate partially redundant instructions
2023-02-28 09:43:44 -05:00
InstCombineVectorOps.cpp
[InstCombine] add one-use check to prevent creating an instruction in shuffle-of-binop
2023-02-22 19:20:32 -05:00
InstructionCombining.cpp
[llvm-c] Remove bindings for creating legacy passes
2023-03-02 09:53:50 +01:00