diff options
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 6281b89..355a438 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -261,24 +261,6 @@ static std::string getOpcodeName(Record *Op, CodeGenDAGPatterns &CGP) { return CGP.getSDNodeInfo(Op).getEnumName(); } -static -bool DisablePatternForFastISel(TreePatternNode *N, CodeGenDAGPatterns &CGP) { - bool isStore = !N->isLeaf() && - getOpcodeName(N->getOperator(), CGP) == "ISD::STORE"; - if (!isStore && NodeHasProperty(N, SDNPHasChain, CGP)) - return false; - - bool HasChain = false; - for (unsigned i = 0, e = N->getNumChildren(); i != e; ++i) { - TreePatternNode *Child = N->getChild(i); - if (PatternHasProperty(Child, SDNPHasChain, CGP)) { - HasChain = true; - break; - } - } - return HasChain; -} - //===----------------------------------------------------------------------===// // Node Transformation emitter implementation. // @@ -594,10 +576,6 @@ void PatternCodeEmitter::EmitMatchCode(TreePatternNode *N, TreePatternNode *P, if (isRoot) { // Record input varargs info. NumInputRootOps = N->getNumChildren(); - - if (DisablePatternForFastISel(N, CGP)) - emitCheck("OptLevel != CodeGenOpt::None"); - emitCheck(PredicateCheck); } @@ -1506,7 +1484,8 @@ void DAGISelEmitter::GenerateCodeForPattern(const PatternToMatch &Pattern, bool FoundChain = false; Emitter.EmitMatchCode(Pattern.getSrcPattern(), NULL, "N", "", FoundChain); - // TP - Get *SOME* tree pattern, we don't care which. + // TP - Get *SOME* tree pattern, we don't care which. It is only used for + // diagnostics, which we know are impossible at this point. TreePattern &TP = *CGP.pf_begin()->second; // At this point, we know that we structurally match the pattern, but the @@ -1699,7 +1678,7 @@ void DAGISelEmitter::EmitInstructionSelector(raw_ostream &OS) { for (CodeGenDAGPatterns::ptm_iterator I = CGP.ptm_begin(), E = CGP.ptm_end(); I != E; ++I) { const PatternToMatch &Pattern = *I; - + TreePatternNode *Node = Pattern.getSrcPattern(); if (!Node->isLeaf()) { PatternsByOpcode[getOpcodeName(Node->getOperator(), CGP)]. |