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Differential D136475

[InstCombine] Allow simplify demanded transformations on scalable vectors
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Authored by reames on Oct 21 2022, 11:17 AM.

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Reviewers
craig.topper
asb
frasercrmck
RKSimon
paulwalker-arm
david-arm
spatel
Commits
rGa819f6c8d1f4: [InstCombine] Allow simplify demanded transformations on scalable vectors
Summary

This depends on D136470 so that we can get element wise results from compute known bits. This change is fairly trivial on its own.

Diff Detail

Event Timeline

reames created this revision.Oct 21 2022, 11:17 AM
Herald added a project: Restricted Project. · View Herald TranscriptOct 21 2022, 11:17 AM
Herald added subscribers: StephenFan, bollu, hiraditya, mcrosier. · View Herald Transcript
reames requested review of this revision.Oct 21 2022, 11:17 AM
Herald added a project: Restricted Project. · View Herald TranscriptOct 21 2022, 11:17 AM
Herald added a subscriber: alextsao1999. · View Herald Transcript
Harbormaster completed remote builds in B193589: Diff 469698.Oct 21 2022, 12:21 PM
tschuett added a subscriber: tschuett.Oct 24 2022, 1:59 AM
spatel mentioned this in D135876: [InstCombine] Remove redundant splats in InstCombineVectorOps.Oct 26 2022, 7:00 AM
reames added a comment.Oct 31 2022, 12:21 PM

ping

spatel accepted this revision.Oct 31 2022, 1:03 PM

LGTM

This revision is now accepted and ready to land.Oct 31 2022, 1:03 PM
This revision was landed with ongoing or failed builds.Oct 31 2022, 1:39 PM
Closed by commit rGa819f6c8d1f4: [InstCombine] Allow simplify demanded transformations on scalable vectors (authored by reames). · Explain Why
This revision was automatically updated to reflect the committed changes.
reames added a commit: rGa819f6c8d1f4: [InstCombine] Allow simplify demanded transformations on scalable vectors.
reames added a child revision: D137190: [SDAG] Allow scalable vectors in SimplifyDemanded routines.Nov 1 2022, 1:20 PM

Revision Contents
Changeset List

PathSize
llvm/
lib/
Transforms/
InstCombine/
7 lines
test/
Transforms/
InstCombine/
3 lines
3 lines

Diff 472119

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llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp

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llvm/test/Transforms/InstCombine/mul-masked-bits.ll

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llvm/test/Transforms/InstCombine/udiv-simplify.ll

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