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path: root/utils/TableGen/DAGISelMatcherEmitter.cpp
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-rw-r--r--utils/TableGen/DAGISelMatcherEmitter.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp
index 8855034..25b7a2f 100644
--- a/utils/TableGen/DAGISelMatcherEmitter.cpp
+++ b/utils/TableGen/DAGISelMatcherEmitter.cpp
@@ -449,6 +449,13 @@ EmitMatcher(const Matcher *N, unsigned Indent, unsigned CurrentIdx,
case Matcher::EmitMergeInputChains: {
const EmitMergeInputChainsMatcher *MN =
cast<EmitMergeInputChainsMatcher>(N);
+
+ // Handle the specialized forms OPC_EmitMergeInputChains1_0 and 1_1.
+ if (MN->getNumNodes() == 1 && MN->getNode(0) < 2) {
+ OS << "OPC_EmitMergeInputChains1_" << MN->getNode(0) << ",\n";
+ return 1;
+ }
+
OS << "OPC_EmitMergeInputChains, " << MN->getNumNodes() << ", ";
for (unsigned i = 0, e = MN->getNumNodes(); i != e; ++i)
OS << MN->getNode(i) << ", ";