[llvm-commits] [llvm] r48125 - in /llvm/trunk/utils/TableGen: CodeGenDAGPatterns.cpp CodeGenInstruction.cpp
Christopher Lamb
christopher.lamb at gmail.com
Sun Mar 9 21:13:41 PDT 2008
Author: clamb
Date: Sun Mar 9 23:13:41 2008
New Revision: 48125
URL: http://llvm.org/viewvc/llvm-project?rev=48125&view=rev
Log:
Add support in TableGen for unknown operands that infer their type from the pattern their used in. This will be used to allow insert/extract subreg patterns in .td files!
Modified:
llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp
llvm/trunk/utils/TableGen/CodeGenInstruction.cpp
Modified: llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp?rev=48125&r1=48124&r2=48125&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp (original)
+++ llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp Sun Mar 9 23:13:41 2008
@@ -864,7 +864,7 @@
CDP.getTargetInfo().getInstruction(getOperator()->getName());
// Apply the result type to the node
if (NumResults == 0 || InstInfo.NumDefs == 0) {
- MadeChange = UpdateNodeType(MVT::isVoid, TP);
+ MadeChange = UpdateNodeType(MVT::isVoid, TP);
} else {
Record *ResultNode = Inst.getResult(0);
@@ -872,6 +872,10 @@
std::vector<unsigned char> VT;
VT.push_back(MVT::iPTR);
MadeChange = UpdateNodeType(VT, TP);
+ } else if (ResultNode->getName() == "unknown") {
+ std::vector<unsigned char> VT;
+ VT.push_back(MVT::isUnknown);
+ MadeChange = UpdateNodeType(VT, TP);
} else {
assert(ResultNode->isSubClassOf("RegisterClass") &&
"Operands should be register classes!");
@@ -910,14 +914,16 @@
MadeChange |= Child->UpdateNodeType(VT, TP);
} else if (OperandNode->getName() == "ptr_rc") {
MadeChange |= Child->UpdateNodeType(MVT::iPTR, TP);
+ } else if (OperandNode->getName() == "unknown") {
+ MadeChange |= Child->UpdateNodeType(MVT::isUnknown, TP);
} else {
assert(0 && "Unknown operand type!");
abort();
}
MadeChange |= Child->ApplyTypeConstraints(TP, NotRegisters);
}
-
- if (ChildNo != getNumChildren())
+
+ if (ChildNo != getNumChildren() && !InstInfo.isVariadic)
TP.error("Instruction '" + getOperator()->getName() +
"' was provided too many operands!");
Modified: llvm/trunk/utils/TableGen/CodeGenInstruction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/CodeGenInstruction.cpp?rev=48125&r1=48124&r2=48125&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/CodeGenInstruction.cpp (original)
+++ llvm/trunk/utils/TableGen/CodeGenInstruction.cpp Sun Mar 9 23:13:41 2008
@@ -163,7 +163,7 @@
isVariadic = true;
continue;
} else if (!Rec->isSubClassOf("RegisterClass") &&
- Rec->getName() != "ptr_rc")
+ Rec->getName() != "ptr_rc" && Rec->getName() != "unknown")
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";
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