[llvm] [SLP]Initial FMA support (PR #149102)

[via llvm-commits]

github-actions[bot] wrote:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --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 830a33a0e..b8a5e1113 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -13650,8 +13650,8 @@ BoUpSLP::getEntryCost(const TreeEntry *E, ArrayRef<Value *> VectorizedVals,
       }
       TTI::OperandValueInfo Op1Info = TTI::getOperandInfo(Op1);
       TTI::OperandValueInfo Op2Info = TTI::getOperandInfo(Op2);
-      InstructionCost ScalarCost = TTI->getArithmeticInstrCost(ShuffleOrOp, OrigScalarTy, CostKind,
-                                         Op1Info, Op2Info, Operands);
+      InstructionCost ScalarCost = TTI->getArithmeticInstrCost(
+          ShuffleOrOp, OrigScalarTy, CostKind, Op1Info, Op2Info, Operands);
       if (auto *I = dyn_cast<Instruction>(UniqueValues[Idx]);
           I && (ShuffleOrOp == Instruction::FAdd ||
                 ShuffleOrOp == Instruction::FSub)) {
@@ -22272,8 +22272,7 @@ public:
         // Also, do not try to reduce const values, if the operation is not
         // foldable.
         if (!EdgeInst || Level > RecursionMaxDepth ||
-            getRdxKind(EdgeInst) != RdxKind ||
-            CheckForFMA(EdgeInst) ||
+            getRdxKind(EdgeInst) != RdxKind || CheckForFMA(EdgeInst) ||
             IsCmpSelMinMax != isCmpSelMinMax(EdgeInst) ||
             !hasRequiredNumberOfUses(IsCmpSelMinMax, EdgeInst) ||
             !isVectorizable(RdxKind, EdgeInst) ||

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https://github.com/llvm/llvm-project/pull/149102