[PATCH] D130225: [Attributor] Check for noalias call in AAInstanceInfo

[Nikita Popov via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG32017d5efec5: [Attributor] Check for noalias call in AAInstanceInfo (authored by nikic).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130225/new/

https://reviews.llvm.org/D130225

Files:
  llvm/lib/Transforms/IPO/AttributorAttributes.cpp


Index: llvm/lib/Transforms/IPO/AttributorAttributes.cpp
===================================================================
--- llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -4845,11 +4845,8 @@
     auto EquivalentUseCB = [&](const Use &OldU, const Use &NewU) {
       if (auto *SI = dyn_cast<StoreInst>(OldU.getUser())) {
         auto *Ptr = SI->getPointerOperand()->stripPointerCasts();
-        if (isa<AllocaInst>(Ptr) && AA::isDynamicallyUnique(A, *this, *Ptr))
-          return true;
-        auto *TLI = A.getInfoCache().getTargetLibraryInfoForFunction(
-            *SI->getFunction());
-        if (isAllocationFn(Ptr, TLI) && AA::isDynamicallyUnique(A, *this, *Ptr))
+        if ((isa<AllocaInst>(Ptr) || isNoAliasCall(Ptr)) &&
+            AA::isDynamicallyUnique(A, *this, *Ptr))
           return true;
       }
       return false;


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