[llvm] 9a42bdc - [SLP][NFC]Fix signedness to avoid comparison warning.

[Alexey Bataev via llvm-commits]

Author: Alexey Bataev
Date: 2024-03-15T09:56:40-07:00
New Revision: 9a42bdc0ae53f321966b1418430d4aaaf83877b5

URL: https://github.com/llvm/llvm-project/commit/9a42bdc0ae53f321966b1418430d4aaaf83877b5
DIFF: https://github.com/llvm/llvm-project/commit/9a42bdc0ae53f321966b1418430d4aaaf83877b5.diff

LOG: [SLP][NFC]Fix signedness to avoid comparison warning.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index a1a82c95d31e87..6dbd54069bb99d 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -7678,8 +7678,8 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         if (NeedInsertSubvectorAnalysis) {
           // Add the cost for the subvectors insert.
           SmallVector<int> ShuffleMask(VL.size());
-          for (int I = VF, E = VL.size(); I < E; I += VF) {
-            for (int Idx : seq<int>(0, E))
+          for (unsigned I = VF, E = VL.size(); I < E; I += VF) {
+            for (unsigned Idx : seq<unsigned>(0, E))
               ShuffleMask[Idx] = Idx / VF == I ? E + Idx % VF : Idx;
             GatherCost += TTI.getShuffleCost(TTI::SK_InsertSubvector, VecTy,
                                              ShuffleMask, CostKind, I, LoadTy);