Cost Model: teach the cost model about expanding integers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167401 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index a9f02ed..4b427a2 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -143,7 +143,8 @@
if (LK.first == TargetLowering::TypeLegal)
return std::make_pair(Cost, Ty.getSimpleVT());
- if (LK.first == TargetLowering::TypeSplitVector)
+ if (LK.first == TargetLowering::TypeSplitVector ||
+ LK.first == TargetLowering::TypeExpandInteger)
Cost *= 2;
// Keep legalizing the type.
@@ -300,7 +301,7 @@
unsigned Cost = getCmpSelInstrCost(Opcode, ValTy->getScalarType(),
CondTy);
- // return the cost of multiple scalar invocation plus the cost of inserting
+ // Return the cost of multiple scalar invocation plus the cost of inserting
// and extracting the values.
return getScalarizationOverhead(ValTy, true, false) + Num * Cost;
}