TableGen: Allow ? in lists
This makes using !dag more convenient in some cases.
Change-Id: I0a8c35e15ccd1ecec778fd1c8d64eee38d74517c
Differential revision: https://reviews.llvm.org/D44111
llvm-svn: 327493
diff --git a/llvm/lib/TableGen/TGParser.cpp b/llvm/lib/TableGen/TGParser.cpp
index 6293209..0dd4da4 100644
--- a/llvm/lib/TableGen/TGParser.cpp
+++ b/llvm/lib/TableGen/TGParser.cpp
@@ -1676,18 +1676,16 @@
RecTy *EltTy = nullptr;
for (Init *V : Vals) {
TypedInit *TArg = dyn_cast<TypedInit>(V);
- if (!TArg) {
- TokError("Untyped list element");
- return nullptr;
- }
- if (EltTy) {
- EltTy = resolveTypes(EltTy, TArg->getType());
- if (!EltTy) {
- TokError("Incompatible types in list elements");
- return nullptr;
+ if (TArg) {
+ if (EltTy) {
+ EltTy = resolveTypes(EltTy, TArg->getType());
+ if (!EltTy) {
+ TokError("Incompatible types in list elements");
+ return nullptr;
+ }
+ } else {
+ EltTy = TArg->getType();
}
- } else {
- EltTy = TArg->getType();
}
}