implement a simple proof-of-concept optimization for
the new isel: fold movechild+record+moveparent into a
single recordchild N node. This shrinks the X86 table
from 125443 to 117502 bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97031 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp
index ecc75c8..e78be79 100644
--- a/utils/TableGen/DAGISelMatcherEmitter.cpp
+++ b/utils/TableGen/DAGISelMatcherEmitter.cpp
@@ -159,6 +159,13 @@
OS.PadToColumn(CommentIndent) << "// "
<< cast<RecordMatcherNode>(N)->getWhatFor() << '\n';
return 1;
+
+ case MatcherNode::RecordChild:
+ OS << "OPC_RecordChild" << cast<RecordChildMatcherNode>(N)->getChildNo()
+ << ',';
+ OS.PadToColumn(CommentIndent) << "// "
+ << cast<RecordChildMatcherNode>(N)->getWhatFor() << '\n';
+ return 1;
case MatcherNode::RecordMemRef:
OS << "OPC_RecordMemRef,\n";