Add some asserts to verify MVT invariant assumptions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58701 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/utils/TableGen/TGValueTypes.cpp b/utils/TableGen/TGValueTypes.cpp
index 209e7c92c5..9e62322a63 100644
--- a/utils/TableGen/TGValueTypes.cpp
+++ b/utils/TableGen/TGValueTypes.cpp
@@ -69,6 +69,7 @@ MVT MVT::getExtendedIntegerVT(unsigned BitWidth) {
   if (!ET) ET = new ExtendedIntegerType(BitWidth);
   MVT VT;
   VT.LLVMTy = ET;
+  assert(VT.isExtended() && "Type is not extended!");
   return VT;
 }
 
@@ -78,6 +79,7 @@ MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) {
   if (!ET) ET = new ExtendedVectorType(VT, NumElements);
   MVT ResultVT;
   ResultVT.LLVMTy = ET;
+  assert(ResultVT.isExtended() && "Type is not extended!");
   return ResultVT;
 }