[llvm] [SLP] Create groups before sorting Phis (PR #111174)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff 6937dbbe51391471f3cf50fe2b8fa2cd14080a3b f969b7322242ee7fb510ad7544c05bca2efc2dd6 --extensions cpp -- llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index f21ff5f882..df5d81a546 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -5529,20 +5529,16 @@ BoUpSLP::getReorderingData(const TreeEntry &TE, bool TopToBottom) {
             auto U2 = TE.Scalars[I2]->user_begin();
             if (U2.atEnd())
               return true;
-            
-            if (auto *FirstUserOfPhi1 =
-                    dyn_cast<InsertElementInst>(*(U1))) {
-              if (auto *FirstUserOfPhi2 = dyn_cast<InsertElementInst>(
-                      *(U2))) {
+
+            if (auto *FirstUserOfPhi1 = dyn_cast<InsertElementInst>(*(U1))) {
+              if (auto *FirstUserOfPhi2 = dyn_cast<InsertElementInst>(*(U2))) {
                 return getElementIndex(FirstUserOfPhi1) <
                        getElementIndex(FirstUserOfPhi2);
               }
             }
 
-            if (auto *FirstUserOfPhi1 =
-                    dyn_cast<ExtractElementInst>(*(U1))) {
-              if (auto *FirstUserOfPhi2 = dyn_cast<ExtractElementInst>(
-                      *(U2))) {
+            if (auto *FirstUserOfPhi1 = dyn_cast<ExtractElementInst>(*(U1))) {
+              if (auto *FirstUserOfPhi2 = dyn_cast<ExtractElementInst>(*(U2))) {
                 return FirstUserOfPhi1->getIndexOperand() <
                        FirstUserOfPhi2->getIndexOperand();
               }

``````````

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https://github.com/llvm/llvm-project/pull/111174