[llvm] [LoopVectorize] Add support for vectorisation of more early exit loops (PR #88385)
Kiran Chandramohan via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 24 04:19:32 PDT 2024
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@@ -2514,14 +2545,20 @@ bool LoopAccessInfo::analyzeLoop(AAResults *AA, LoopInfo *LI,
// Check if we see any stores. If there are no stores, then we don't
// care if the pointers are *restrict*.
+ bool CanVecMem = false;
if (!Stores.size()) {
LLVM_DEBUG(dbgs() << "LAA: Found a read-only loop!\n");
- return true;
+ // Don't return yet if there are uncountable exits because we also need to
+ // record all of the underlying objects for memory fault analysis.
+ if (!UncountableExitingBlocks.size())
+ return true;
+ else
+ CanVecMem = true;
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kiranchandramohan wrote:
Nit: else after return.
https://github.com/llvm/llvm-project/pull/88385
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