diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-02-16 06:10:58 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-02-16 06:10:58 +0000 |
| commit | e39650a805425ffdbd79692c7d1bad80f7332dae (patch) | |
| tree | 8f37117cb54641819bccacc5809ef98d6c0f6dd2 /include/llvm/CodeGen | |
| parent | a08b587494a09a94a72245dd9d7088564e511f4e (diff) | |
add support for the new isel matcher to generate
(isprofitable|islegal)tofold checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96331 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/DAGISelHeader.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/DAGISelHeader.h b/include/llvm/CodeGen/DAGISelHeader.h index f9490a77ca..831475d9a5 100644 --- a/include/llvm/CodeGen/DAGISelHeader.h +++ b/include/llvm/CodeGen/DAGISelHeader.h @@ -202,7 +202,9 @@ enum BuiltinOpcodes { OPC_CheckValueType, OPC_CheckComplexPat, OPC_CheckAndImm1, OPC_CheckAndImm2, OPC_CheckAndImm4, OPC_CheckAndImm8, - OPC_CheckOrImm1, OPC_CheckOrImm2, OPC_CheckOrImm4, OPC_CheckOrImm8 + OPC_CheckOrImm1, OPC_CheckOrImm2, OPC_CheckOrImm4, OPC_CheckOrImm8, + OPC_IsProfitableToFold, + OPC_IsLegalToFold }; struct MatchScope { @@ -379,6 +381,19 @@ SDNode *SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable, case OPC_CheckOrImm8: if (CheckOrImmediate(N, GetInt8(MatcherTable, MatcherIndex))) break; continue; + + case OPC_IsProfitableToFold: + assert(!NodeStack.size() == 1 && "No parent node"); + if (!IsProfitableToFold(N, NodeStack[NodeStack.size()-2].getNode(), + NodeToMatch)) + break; + continue; + case OPC_IsLegalToFold: + assert(!NodeStack.size() == 1 && "No parent node"); + if (!IsLegalToFold(N, NodeStack[NodeStack.size()-2].getNode(), + NodeToMatch)) + break; + continue; } // If the code reached this point, then the match failed pop out to the next |