When PerformBuildVectorCombine, avoid creating a X86ISD::VZEXT_LOAD of
an illegal type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63380 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index bf7c704..e17ae99 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -7601,7 +7601,11 @@
// Load must not be an extload.
if (LD->getExtensionType() != ISD::NON_EXTLOAD)
return SDValue();
-
+
+ // Load type should legal type so we don't have to legalize it.
+ if (!TLI.isTypeLegal(VT))
+ return SDValue();
+
SDVTList Tys = DAG.getVTList(VT, MVT::Other);
SDValue Ops[] = { LD->getChain(), LD->getBasePtr() };
SDValue ResNode = DAG.getNode(X86ISD::VZEXT_LOAD, Tys, Ops, 2);