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InstCombine: Fix SimplifyDemandedFPClass for fadd with known-inf source

(#176204)

Ensure the result cannot be nan.

Split out from https://github.com/llvm/llvm-project/pull/175852

2026-01-15 17:54:53 +00:00

CMakeLists.txt

…

InstCombineAddSub.cpp

[InstCombine] Fold (select C, (x bin_op a), x) bin_op b into x bin_op select C, (a bin_op b), b (#173511 )

2026-01-04 20:45:25 +01:00

InstCombineAndOrXor.cpp

[profcheck][InstCombine] Preserve weights for xor statements (#175678 )

2026-01-13 09:45:14 -08:00

InstCombineAtomicRMW.cpp

[NFC][InstCombine] Fix namespace usage in InstCombine (#161902 )

2025-10-04 05:28:24 -07:00

InstCombineCalls.cpp

[InstCombine] Remove unnecessary type equality check when creating zext or trunc (NFC) (#175947 )

2026-01-14 15:50:04 +01:00

InstCombineCasts.cpp

[InstCombine] Support multi-use values in cast elimination transforms (#165877 )

2025-11-25 17:43:26 +00:00

InstCombineCompares.cpp

[InstCombine] Fix i1 ssub.sat compare folding (#173742 )

2026-01-12 11:03:00 -08:00

InstCombineInternal.h

InstCombine: Prepare to handle multiple uses in SimplifyDemandedFPClass (#174863 )

2026-01-08 17:35:23 +01:00

InstCombineLoadStoreAlloca.cpp

[InstCombine] Fix unsafe PHINode cast and simplify logic in PointerReplacer (#172332 )

2025-12-17 12:07:40 +00:00

InstCombineMulDivRem.cpp

[Instcombine] Ensure simplifyValueKnownNonZero adds instrs in dominance order (#173703 )

2026-01-09 10:30:28 +01:00

InstCombineNegator.cpp

…

InstCombinePHI.cpp

[IR][InstCombine] Fix O(n^2) complexity in SliceUpIllegalIntegerPHI (#175468 )

2026-01-12 20:59:58 +00:00

InstCombineSelect.cpp

[IR] Teach drop/hasPoisonGeneratingAnnotations() about abs, ctlz and cttz (#175941 )

2026-01-15 00:01:58 +00:00

InstCombineShifts.cpp

[InstCombine] Use getSigned() for negative number in shift transform

2025-12-18 11:00:39 +01:00

InstCombineSimplifyDemanded.cpp

InstCombine: Fix SimplifyDemandedFPClass for fadd with known-inf source

2026-01-15 17:54:53 +00:00

InstCombineVectorOps.cpp

[InstCombine] Limit canonicalization of extractelement(cast) to constant index or same basic block (#166227 )

2026-01-08 22:43:13 +01:00

InstructionCombining.cpp

[InstCombine] Fold chained GEP with constant base into single GEP (#170439 )

2026-01-15 17:25:05 +08:00