[polly] [Polly] Add vectorize metadata to loops identified as vectorizable by polly (PR #113994)
Michael Kruse via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 30 05:33:56 PDT 2024
================
@@ -233,6 +238,26 @@ static bool generateCode(Scop &S, IslAstInfo &AI, LoopInfo &LI,
NodeBuilder.allocateNewArrays(StartExitBlocks);
Annotator.buildAliasScopes(S);
+ // The code below annotates the "llvm.loop.vectorize.enable" to false
+ // for the code flow taken when RTCs fail. Because we don't want the
+ // Loop Vectorizer to come in later and vectorize the original fall back
+ // loop when 'polly-annotate-metadata-vectorize' is passed.
+ if (PollyVectorizeMetadata) {
+ for (Loop *L : LI.getLoopsInPreorder()) {
+ if (S.contains(L)) {
----------------
Meinersbur wrote:
```suggestion
if (!S.contains(L))
continue;
```
[Coding standard](https://llvm.org/docs/CodingStandards.html#use-early-exits-and-continue-to-simplify-code)
https://github.com/llvm/llvm-project/pull/113994
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