[PATCH] D124321: [InstSimplify] Use canReplacePointersIfEqual to conditionally simplify '(ptr1 == ptr2) ? a : b'
Juneyoung Lee via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Apr 23 01:25:24 PDT 2022
aqjune added inline comments.
================
Comment at: llvm/lib/Analysis/InstructionSimplify.cpp:4348
+ MaxRecurse) == TrueVal))
return FalseVal;
+ if ((CanReplaceLWithR && simplifyWithOpReplaced(TrueVal, CmpLHS, CmpRHS, Q,
----------------
Refinement must not be used in this case; `AreEqual` is used instead therefore.
================
Comment at: llvm/test/Transforms/InstSimplify/select-ptr-eq.ll:44
ret ptr %res
}
----------------
case3 and case4 are kept optimized.
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CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D124321/new/
https://reviews.llvm.org/D124321
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