[PATCH] D109746: [AA] Teach BasicAA to recognize basic GEP range information.
Clement Courbet via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 11 01:44:13 PDT 2021
courbet added inline comments.
================
Comment at: llvm/test/Analysis/BasicAA/assume-index-positive.ll:57
; Same as @test1, but the assume just guarantees %skip > -3, which is not
; enough to derive NoAlias
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xbolva00 wrote:
> Comments needs to be adjusted.
Fixed in 342d7b654c63cadaa6135913c9582a7272fced58: "Same as @test1, this time the assume just guarantees %skip > -3, which is
enough to derive NoAlias for %ptr and %col.ptr.2 (distance is more than 3 doubles, and we load 1 double), but not %col.ptr.1 and %col.ptr.2 (distance is more than 3 doubles, and we load 6 doubles)."
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https://reviews.llvm.org/D109746/new/
https://reviews.llvm.org/D109746
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