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path: root/utils/TableGen/CodeGenDAGPatterns.cpp
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Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
-rw-r--r--utils/TableGen/CodeGenDAGPatterns.cpp20
1 files changed, 18 insertions, 2 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index d35a2631ff..5a6960a982 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -1378,9 +1378,25 @@ static EEVT::TypeSet getImplicitType(Record *R, unsigned ResNo,
return EEVT::TypeSet();
}
- if (R->isSubClassOf("ValueType") || R->isSubClassOf("CondCode")) {
+ if (R->isSubClassOf("ValueType")) {
assert(ResNo == 0 && "This node only has one result!");
- // Using a VTSDNode or CondCodeSDNode.
+ // An unnamed VTSDNode represents itself as an MVT::Other immediate.
+ //
+ // (sext_inreg GPR:$src, i16)
+ // ~~~
+ if (Unnamed)
+ return EEVT::TypeSet(MVT::Other, TP);
+ // With a name, the ValueType simply provides the type of the named
+ // variable.
+ //
+ // (sext_inreg i32:$src, i16)
+ // ~~~~~~~~
+ return EEVT::TypeSet(getValueType(R), TP);
+ }
+
+ if (R->isSubClassOf("CondCode")) {
+ assert(ResNo == 0 && "This node only has one result!");
+ // Using a CondCodeSDNode.
return EEVT::TypeSet(MVT::Other, TP);
}