[CostModel][X86] SK_ExtractSubvector costs must only be tested for vector types (PR39615)

llvm-svn: 346589
2018-11-10 17:37:52 +00:00 · 2018-11-10 17:37:52 +00:00 · d3ca710ec9
parent 9b8c102675
commit d3ca710ec9
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@ -874,7 +874,7 @@ int X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,

  // Subvector extractions are free if they start at beginning of the
  // vector.
-  if (Kind == TTI::SK_ExtractSubvector &&
+  if (Kind == TTI::SK_ExtractSubvector && LT.second.isVector() &&
      ((Index % LT.second.getVectorNumElements()) == 0))
    return 0;