[VectorCombine] Avoid ConstantExpr::get() (NFC)

Use IRBuilder APIs instead, which will still constant fold.

diff --git a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
index 94c690a..9059893 100644 (file)
--- a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
+++ b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
@@ -697,8 +697,9 @@ bool VectorCombine::scalarizeBinopOrCmp(Instruction &I) {
     ScalarInst->copyIRFlags(&I);
 
   // Fold the vector constants in the original vectors into a new base vector.
-  Constant *NewVecC = IsCmp ? ConstantExpr::getCompare(Pred, VecC0, VecC1)
-                            : ConstantExpr::get(Opcode, VecC0, VecC1);
+  Value *NewVecC =
+      IsCmp ? Builder.CreateCmp(Pred, VecC0, VecC1)
+            : Builder.CreateBinOp((Instruction::BinaryOps)Opcode, VecC0, VecC1);
   Value *Insert = Builder.CreateInsertElement(NewVecC, Scalar, Index);
   replaceValue(I, *Insert);
   return true;