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Always check the type of node. This prevents situations such as selecting 32-bit rotate target instruction for a 64-bit node when 64-bit pattern is missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41710 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -3811,47 +3811,41 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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OpcodeVTMap.find(OpName);
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std::vector<std::string> &OpVTs = OpVTI->second;
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OS << " case " << OpName << ": {\n";
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if (OpVTs.size() == 1) {
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std::string &VTStr = OpVTs[0];
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OS << " return Select_" << getLegalCName(OpName)
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<< VTStr << "(N);\n";
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} else {
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// Keep track of whether we see a pattern that has an iPtr result.
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bool HasPtrPattern = false;
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bool HasDefaultPattern = false;
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// Keep track of whether we see a pattern that has an iPtr result.
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bool HasPtrPattern = false;
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bool HasDefaultPattern = false;
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OS << " switch (NVT) {\n";
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for (unsigned i = 0, e = OpVTs.size(); i < e; ++i) {
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std::string &VTStr = OpVTs[i];
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if (VTStr.empty()) {
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HasDefaultPattern = true;
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continue;
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}
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OS << " switch (NVT) {\n";
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for (unsigned i = 0, e = OpVTs.size(); i < e; ++i) {
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std::string &VTStr = OpVTs[i];
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if (VTStr.empty()) {
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HasDefaultPattern = true;
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continue;
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}
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// If this is a match on iPTR: don't emit it directly, we need special
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// code.
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if (VTStr == "_iPTR") {
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HasPtrPattern = true;
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continue;
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}
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OS << " case MVT::" << VTStr.substr(1) << ":\n"
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<< " return Select_" << getLegalCName(OpName)
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<< VTStr << "(N);\n";
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// If this is a match on iPTR: don't emit it directly, we need special
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// code.
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if (VTStr == "_iPTR") {
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HasPtrPattern = true;
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continue;
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}
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OS << " default:\n";
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// If there is an iPTR result version of this pattern, emit it here.
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if (HasPtrPattern) {
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OS << " if (NVT == TLI.getPointerTy())\n";
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OS << " return Select_" << getLegalCName(OpName) <<"_iPTR(N);\n";
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}
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if (HasDefaultPattern) {
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OS << " return Select_" << getLegalCName(OpName) << "(N);\n";
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}
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OS << " break;\n";
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OS << " }\n";
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OS << " break;\n";
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OS << " case MVT::" << VTStr.substr(1) << ":\n"
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<< " return Select_" << getLegalCName(OpName)
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<< VTStr << "(N);\n";
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}
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OS << " default:\n";
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// If there is an iPTR result version of this pattern, emit it here.
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if (HasPtrPattern) {
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OS << " if (NVT == TLI.getPointerTy())\n";
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OS << " return Select_" << getLegalCName(OpName) <<"_iPTR(N);\n";
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}
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if (HasDefaultPattern) {
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OS << " return Select_" << getLegalCName(OpName) << "(N);\n";
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}
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OS << " break;\n";
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OS << " }\n";
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OS << " break;\n";
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OS << " }\n";
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}
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