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| author | Chris Lattner <sabre@nondot.org> | 2010-02-17 01:34:15 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-02-17 01:34:15 +0000 |
| commit | 2f7ecdeb1dd3bc0092e91df9197ca71b1a260434 (patch) | |
| tree | d3189d8a532939c1eaa02e1db43851f39b0fd784 /utils/TableGen/DAGISelMatcherGen.cpp | |
| parent | c642b84fb866c3a6f1e61d39d6eda89563267b53 (diff) | |
| download | llvm-2f7ecdeb1dd3bc0092e91df9197ca71b1a260434.tar.gz llvm-2f7ecdeb1dd3bc0092e91df9197ca71b1a260434.tar.bz2 llvm-2f7ecdeb1dd3bc0092e91df9197ca71b1a260434.tar.xz | |
record input chains.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96437 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelMatcherGen.cpp')
| -rw-r--r-- | utils/TableGen/DAGISelMatcherGen.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelMatcherGen.cpp b/utils/TableGen/DAGISelMatcherGen.cpp index 345b964c2d..5936e75065 100644 --- a/utils/TableGen/DAGISelMatcherGen.cpp +++ b/utils/TableGen/DAGISelMatcherGen.cpp @@ -194,6 +194,15 @@ void MatcherGen::EmitOperatorMatchCode(const TreePatternNode *N, // the child numbers of the node are all offset by one. unsigned OpNo = 0; if (N->NodeHasProperty(SDNPHasChain, CGP)) { + // Record the input chain, which is always input #0 of the SDNode. + AddMatcherNode(new MoveChildMatcherNode(0)); + ++NextRecordedOperandNo; + AddMatcherNode(new RecordMatcherNode("'" + N->getOperator()->getName() + + "' input chain")); + AddMatcherNode(new MoveParentMatcherNode()); + + // Don't look at the input chain when matching the tree pattern to the + // SDNode. OpNo = 1; // If this node is not the root and the subtree underneath it produces a |