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llvm-project/llvm/test/Transforms/VectorCombine
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Julian Nagele 28a20b4af9
[VectorCombine] Avoid inserting freeze when scalarizing extend-extract if all extracts would lead to UB on poison. (#164683) 
This change aims to avoid inserting a freeze instruction between the
load and bitcast when scalarizing extend-extract. This is particularly
useful in combination with
https://github.com/llvm/llvm-project/pull/164682, which can then
potentially further scalarize, provided there is no freeze.

alive2 proof: https://alive2.llvm.org/ce/z/W-GD88
2025-11-04 12:39:04 +00:00
..
AArch64
[VectorCombine] Avoid inserting freeze when scalarizing extend-extract if all extracts would lead to UB on poison. (#164683)
2025-11-04 12:39:04 +00:00
AMDGPU
[AMDGPU] NFC, move testcase, only test output of promote-alloca with vector-combine (#166289)
2025-11-03 22:21:26 -05:00
ARM
[VectorCombine][AMDGPU] Narrow Phi of Shuffles. (#140188)
2025-08-12 18:45:11 +01:00
Hexagon
[VectorCombine][AMDGPU] Narrow Phi of Shuffles. (#140188)
2025-08-12 18:45:11 +01:00
PowerPC
[VectorCombine] Fix scalarizeExtExtract for big-endian (#157962)
2025-09-15 10:08:16 +00:00
RISCV
[VectorCombine][AMDGPU] Narrow Phi of Shuffles. (#140188)
2025-08-12 18:45:11 +01:00
SPIRV
[VectorCombine][TTI] Prevent extract/ins rewrite to GEP (#150216)
2025-07-31 14:14:00 +02:00
X86
[VectorCombine] Preserve cast flags in foldBitOpOfCastConstant (#161237)
2025-09-30 16:38:03 +08:00
alias.ll
[VectorCombine] Preserve scoped alias metadata (#153714)
2025-08-18 18:16:32 +00:00
binop-scalarize.ll
[VectorCombine] Apply InstSimplify in scalarizeOpOrCmp to avoid infinite loop (#153069)
2025-08-15 18:38:04 +00:00
fold-binop-of-reductions.ll
…
fold-shuffle-chains-to-reduce.ll
[VectorCombine] New folding pattern for extract/binop/shuffle chains (#145232)
2025-08-24 14:21:48 +05:30
intrinsic-scalarize.ll
[IR] NFC: Remove 'experimental' from partial.reduce.add intrinsic (#158637)
2025-09-17 11:44:47 +01:00
load-insert-store.ll
…
load-shufflevector.ll
[VectorCombine] Shrink loads used in shufflevector rebroadcasts. (#153138)
2025-08-12 14:08:37 +01:00
narrow-phi-of-shuffles.ll
[VectorCombine][AMDGPU] Narrow Phi of Shuffles. (#140188)
2025-08-12 18:45:11 +01:00
pr88796.ll
…
pr132563.ll
[VectorCombine] Ensure canScalarizeAccess handles cases where the index type can't represent all inbounds values
2025-04-24 14:17:55 +01:00
pr157335.ll
[VectorCombine] foldSelectShuffle - early-out cases where the max vector register width isn't large enough (#157430)
2025-09-08 12:04:23 +00:00
unary-op-scalarize.ll
[VectorCombine] Support nary operands and intrinsics in scalarizeOpOrCmp (#138406)
2025-05-28 09:45:54 +01:00