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llvm-project/llvm/lib/Transforms/InstCombine
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Noah Goldstein 513251b765 [InstCombine] Improve transforms for (mul X, Y) -> (shl X, log2(Y) 
Using the more robust log2 search allows us to fold more cases (same
logic as exists for idiv/irem).

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D146347
2023-04-07 14:58:20 -05:00
..
CMakeLists.txt
…
InstCombineAddSub.cpp
[InstCombine] Add support for maximum(a,b) + minimum(a,b) => a + b
2023-04-07 12:38:04 +07:00
InstCombineAndOrXor.cpp
[InstCombine] Preserve nsw/nuw flags in canonicalization
2023-04-05 10:12:54 -04:00
InstCombineAtomicRMW.cpp
[InstCombine][NFC] Fold variable into assert
2023-02-01 12:04:19 +01:00
InstCombineCalls.cpp
[InstCombine] Remove various checks for opaque pointers (NFC)
2023-04-06 09:45:51 +02:00
InstCombineCasts.cpp
[InstCombine] Remove addrspacecast bitcast extraction fold (NFC)
2023-04-06 09:53:32 +02:00
InstCombineCompares.cpp
[IR] Replace calls to ConstantFP::getNullValue with ConstantFP::getZero. NFC
2023-04-03 23:14:02 -07:00
InstCombineInternal.h
[InstCombine] Remove visitGEPOfBitcast() fold (NFC)
2023-04-06 09:04:31 +02:00
InstCombineLoadStoreAlloca.cpp
[InstCombine] Remove addrspacecast bitcast extraction fold (NFC)
2023-04-06 09:53:32 +02:00
InstCombineMulDivRem.cpp
[InstCombine] Improve transforms for (mul X, Y) -> (shl X, log2(Y)
2023-04-07 14:58:20 -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] Generate better code for std::bit_ceil
2023-03-23 19:26:43 -07:00
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
[Transforms] Use *{Set,Map}::contains (NFC)
2023-03-14 00:24:30 -07:00
InstructionCombining.cpp
[InstCombine] Remove various checks for opaque pointers (NFC)
2023-04-06 09:45:51 +02:00