[llvm] [SLP][NFC] Fix assertion in vectorizeGEPIndices() (PR #76660)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Enna1 (Enna1)

<details>
<summary>Changes</summary>

The index constraints for the collected getelementptr instructions should be single **and** non-constant.

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Full diff: https://github.com/llvm/llvm-project/pull/76660.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 6359dc65d22634..ced081d4291645 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -16224,7 +16224,7 @@ bool SLPVectorizerPass::vectorizeGEPIndices(BasicBlock *BB, BoUpSLP &R) {
       for (auto *V : Candidates) {
         auto *GEP = cast<GetElementPtrInst>(V);
         auto *GEPIdx = GEP->idx_begin()->get();
-        assert(GEP->getNumIndices() == 1 || !isa<Constant>(GEPIdx));
+        assert(GEP->getNumIndices() == 1 && !isa<Constant>(GEPIdx));
         Bundle[BundleIndex++] = GEPIdx;
       }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/76660