[PATCH] D133567: [AA] Improve the BasicAA analysis capability
Allen zhong via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Sep 11 03:13:50 PDT 2022
Allen marked 2 inline comments as done.
Allen added inline comments.
================
Comment at: llvm/lib/Analysis/BasicAliasAnalysis.cpp:615
+ if (isa<ScalableVectorType>(GEPOp->getSourceElementType()) &&
+ (I - GEPOp->op_begin() != GEPOp->getNumOperands() - 1)) {
+ Decomposed.Base = V;
----------------
nikic wrote:
> Instead of checking the source element type, this should check whether the getTypeAllocSize fetched below isScalable.
apply your comment, thanks
================
Comment at: llvm/test/Transforms/GVN/vscale.ll:49
; TODO: BasicAA return MayAlias for %gep1,%gep2, could improve as MustAlias.
define i32 @load_clobber_load_gep1(<vscale x 4 x i32>* %p) {
----------------
nikic wrote:
> Drop TODO.
DONE
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D133567/new/
https://reviews.llvm.org/D133567
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