Yingwei Zheng 872932b7a9 [InstCombine] Generalize icmp (shl nuw C2, Y), C -> icmp Y, C3 (#104696) ...

The motivation of this patch is to fold more generalized patterns like
`icmp ult (shl nuw 16, X), 64 -> icmp ult X, 2`.

Alive2: https://alive2.llvm.org/ce/z/gyqjQH

2024-09-18 19:10:41 +08:00

..

CMakeLists.txt

…

InstCombineAddSub.cpp

[InstCombine] Simplify (add/sub (sub/add) (sub/add)) irrelivant of use-count

2024-08-27 11:43:17 -07:00

InstCombineAndOrXor.cpp

[InstCombine] Simplify (add/sub (sub/add) (sub/add)) irrelivant of use-count

2024-08-27 11:43:17 -07:00

InstCombineAtomicRMW.cpp

…

InstCombineCalls.cpp

[InstCombine] Pass DomTree and DomTreeCacheto LibCallSimplifier (#108446)

2024-09-13 08:36:48 +01:00

InstCombineCasts.cpp

[InstCombine] Avoid simplifying bitcast of undef to a zeroinitializer vector (#108872)

2024-09-17 15:31:28 -07:00

InstCombineCompares.cpp

[InstCombine] Generalize icmp (shl nuw C2, Y), C -> icmp Y, C3 (#104696)

2024-09-18 19:10:41 +08:00

InstCombineInternal.h

[InstCombine] Remove dead phi web (#108876)

2024-09-18 10:04:49 +02:00

InstCombineLoadStoreAlloca.cpp

[InstCombine] Use llvm::set_is_subset (NFC) (#102778)

2024-08-10 22:46:03 -07:00

InstCombineMulDivRem.cpp

[InstCombine] Check for undef first before freeze (#96769)

2024-07-13 18:39:41 +02:00

InstCombineNegator.cpp

[InstCombine] Avoid infinite loop when negating phi nodes (#104581)

2024-08-17 16:48:29 +08:00

InstCombinePHI.cpp

[InstCombine] Remove dead phi web (#108876)

2024-09-18 10:04:49 +02:00

InstCombineSelect.cpp

[InstCombine] Generalize and consolidate phi translation check (#106051)

2024-09-04 16:22:43 +02:00

InstCombineShifts.cpp

[InstCombine] Fold [l|a]shr iN (X-1)&~X, N-1 -> [z|s]ext(X==0) (#107259)

2024-09-06 21:37:50 +08:00

InstCombineSimplifyDemanded.cpp

[KnownBits] Add KnownBits::add and KnownBits::sub helper wrappers. (#99468)

2024-08-12 10:21:28 +01:00

InstCombineVectorOps.cpp

Move stepvector intrinsic out of experimental namespace (#98043)

2024-08-28 12:48:20 +01:00

InstructionCombining.cpp

[InstCombine] Replace an integer comparison of a phi node with multiple ucmp/scmp operands and a constant with phi of individual comparisons of original intrinsic's arguments (#107769)

2024-09-13 19:50:27 +01:00