llvm-project
[DAGCombiner] Combine (fshl A, B, S) | (fshr C, D, BW-S) --> (fshl (A|C), (B|D), S)
#180889
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Merged
[DAGCombiner] Combine (fshl A, B, S) | (fshr C, D, BW-S) --> (fshl (A|C), (B|D), S) #180889
topperc
merged
11 commits into
llvm:main
from
topperc:pr/fshl-combine-3
[DAGCombiner] Combine (fshl A, X, Y) | (shl X, Y) --> fshl (A|X), X, Y
335e4d96
[LegalizeTypes] Emit FSHL/FSHR from ExpandShiftByConstant when Legal.
fb4389ea
[DAGCombiner] Combine (fshl A, B, S) | (fshr C, D, BW-S) --> (fshl (A…
f11b90dc
steffenlarsen
commented
on 2026-02-11
jayfoad
commented
on 2026-02-11
RKSimon
requested changes
on 2026-02-19
Merge remote-tracking branch 'origin/main' into pr/fshl-combine-2
5efcd5ca
Merge remote-tracking branch 'fork/pr/fshl-combine-2' into pr/fshl-co…
6fbaa99e
fixup! Make sure the shift amount isn't 0 for one of the operations.
72f0246c
fixup! Fix overflow
0494c432
RKSimon
requested changes
on 2026-02-27
Merge remote-tracking branch 'origin/main' into pr/fshl-combine-3
1a8d5c34
Merge remote-tracking branch 'origin/main' into pr/fshl-combine-3
80e6327f
Merge remote-tracking branch 'origin/main' into pr/fshl-combine-3
09be01f9
RKSimon
approved these changes
on 2026-03-05
Merge remote-tracking branch 'origin/main' into pr/fshl-combine-3
c004a372
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backend:AArch64
backend:RISC-V
backend:X86
llvm:SelectionDAG
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