[llvm] [LV] Teach the vectorizer to cost and vectorize llvm.sincos intrinsics (PR #123210)

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


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff c1de9b920935e7d2fcc8dd7b39c1b7285783e948 0dbf0e84c4c2beda12a38fe2dff5e35710ea8265 --extensions h,cpp -- llvm/include/llvm/Analysis/TargetTransformInfo.h llvm/include/llvm/CodeGen/BasicTTIImpl.h llvm/lib/Analysis/TargetTransformInfo.cpp llvm/lib/Analysis/VectorUtils.cpp llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/BasicTTIImpl.h b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
index ca9e7359c0..e26e3f9c65 100644
--- a/llvm/include/llvm/CodeGen/BasicTTIImpl.h
+++ b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
@@ -1718,8 +1718,8 @@ public:
 
     Type *RetTy = ICA.getReturnType();
 
-    ElementCount RetVF =
-        isVectorizedTy(RetTy) ? getVectorizedTypeVF(RetTy) : ElementCount::getFixed(1);
+    ElementCount RetVF = isVectorizedTy(RetTy) ? getVectorizedTypeVF(RetTy)
+                                               : ElementCount::getFixed(1);
 
     const IntrinsicInst *I = ICA.getInst();
     const SmallVectorImpl<const Value *> &Args = ICA.getArgs();
@@ -1999,18 +1999,20 @@ public:
         break;
 
       // Cost the call + mask.
-      auto Cost = thisT()->getCallInstrCost(nullptr, RetTy, ICA.getArgTypes(), CostKind);
+      auto Cost = thisT()->getCallInstrCost(nullptr, RetTy, ICA.getArgTypes(),
+                                            CostKind);
       if (VD->isMasked())
-        Cost += thisT()->getShuffleCost(TargetTransformInfo::SK_Broadcast,
-                               VectorType::get(IntegerType::getInt1Ty(Ctx), VF),
-                               {}, CostKind, 0, nullptr, {});
+        Cost += thisT()->getShuffleCost(
+            TargetTransformInfo::SK_Broadcast,
+            VectorType::get(IntegerType::getInt1Ty(Ctx), VF), {}, CostKind, 0,
+            nullptr, {});
 
       // Lowering to a sincos library call (with output pointers) may require us
       // to emit reloads for the results.
       Cost +=
-          thisT()->getMemoryOpCost(Instruction::Load, VectorTy,
-                          thisT()->getDataLayout().getABITypeAlign(VectorTy), 0,
-                          CostKind) *
+          thisT()->getMemoryOpCost(
+              Instruction::Load, VectorTy,
+              thisT()->getDataLayout().getABITypeAlign(VectorTy), 0, CostKind) *
           2;
       return Cost;
     }

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https://github.com/llvm/llvm-project/pull/123210