[llvm] [LoopVectorize] Perform loop versioning for some early exit loops (PR #120603)
Paul Walker via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 11 09:15:14 PST 2025
================
@@ -1609,6 +1609,43 @@ bool LoopVectorizationLegality::canVectorizeLoopNestCFG(
return Result;
}
+bool LoopVectorizationLegality::analyzePotentiallyFaultingLoads(
+ SmallVectorImpl<LoadInst *> *Loads) {
+ LLVM_DEBUG(dbgs() << "LV: Looking for potentially faulting loads in loop "
+ "with uncountable early exit:\n");
+ for (LoadInst *LI : *Loads) {
+ LLVM_DEBUG(dbgs() << "LV: Load: " << *LI << '\n');
+ Value *Ptr = LI->getPointerOperand();
+ if (!Ptr)
+ return false;
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paulwalker-arm wrote:
Is it possible for a `LoadInst` pointer operand to not exist?
https://github.com/llvm/llvm-project/pull/120603
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