Predicate function on the node should be matched before its childrean' matching
code. This is especially important now matching ISD::LOAD also requires a
Predicate_Load call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30845 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index 28fdec5..6267a3b 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -2312,6 +2312,10 @@
}
}
+ // If there is a node predicate for this, emit the call.
+ if (!N->getPredicateFn().empty())
+ emitCheck(N->getPredicateFn() + "(" + RootName + ".Val)");
+
const ComplexPattern *CP;
for (unsigned i = 0, e = N->getNumChildren(); i != e; ++i, ++OpNo) {
emitInit("SDOperand " + RootName + utostr(OpNo) + " = " +
@@ -2420,10 +2424,6 @@
Code += ", CPTmp" + utostr(i);
emitCheck(Code + ")");
}
-
- // If there is a node predicate for this, emit the call.
- if (!N->getPredicateFn().empty())
- emitCheck(N->getPredicateFn() + "(" + RootName + ".Val)");
}
/// EmitResultCode - Emit the action for a pattern. Now that it has matched