#include "DAGISelEmitter.h"
#include "Record.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/Streams.h"
#include <algorithm>
#include <deque>
using namespace llvm;
+namespace {
+ cl::opt<bool>
+ GenDebug("gen-debug", cl::desc("Generate debug code"),
+ cl::init(false));
+}
+
//===----------------------------------------------------------------------===//
// DAGISelEmitter Helper methods
//
if (N->isLeaf()) {
if (IntInit *II = dynamic_cast<IntInit*>(N->getLeafValue())) {
emitCheck("cast<ConstantSDNode>(" + RootName +
- ")->getSExtValue() == " + itostr(II->getValue()));
+ ")->getSExtValue() == INT64_C(" +
+ itostr(II->getValue()) + ")");
return;
} else if (!NodeIsComplexPattern(N)) {
assert(0 && "Cannot match this as a leaf value!");
const char *MaskPredicate = N->getOperator()->getName() == "or"
? "CheckOrMask(" : "CheckAndMask(";
emitCheck(MaskPredicate + RootName + "0, cast<ConstantSDNode>(" +
- RootName + "1), " + itostr(II->getValue()) + ")");
+ RootName + "1), INT64_C(" + itostr(II->getValue()) + "))");
EmitChildMatchCode(N->getChild(0), N, RootName + utostr(0), RootName,
ChainSuffix + utostr(0), FoundChain);
NodeOps.push_back(Val);
} else if (N->isLeaf() && (CP = NodeGetComplexPattern(N, CGP))) {
for (unsigned i = 0; i < CP->getNumOperands(); ++i) {
- emitCode("AddToISelQueue(CPTmp" + utostr(i) + ");");
NodeOps.push_back("CPTmp" + utostr(i));
}
} else {
// This node, probably wrapped in a SDNodeXForm, behaves like a leaf
// node even if it isn't one. Don't select it.
if (!LikeLeaf) {
- emitCode("AddToISelQueue(" + Val + ");");
if (isRoot && N->isLeaf()) {
emitCode("ReplaceUses(N, " + Val + ");");
emitCode("return NULL;");
for (unsigned i = 0, e = OrigChains.size(); i < e; ++i) {
emitCode("if (" + OrigChains[i].first + ".getNode() != " +
OrigChains[i].second + ".getNode()) {");
- emitCode(" AddToISelQueue(" + OrigChains[i].first + ");");
emitCode(" InChains.push_back(" + OrigChains[i].first + ");");
emitCode("}");
}
- emitCode("AddToISelQueue(" + ChainName + ");");
emitCode("InChains.push_back(" + ChainName + ");");
emitCode(ChainName + " = CurDAG->getNode(ISD::TokenFactor, MVT::Other, "
"&InChains[0], InChains.size());");
+ if (GenDebug) {
+ emitCode("CurDAG->setSubgraphColor(" + ChainName +".getNode(), \"yellow\");");
+ emitCode("CurDAG->setSubgraphColor(" + ChainName +".getNode(), \"black\");");
+ }
}
// Loop over all of the operands of the instruction pattern, emitting code
// Emit all the chain and CopyToReg stuff.
bool ChainEmitted = NodeHasChain;
- if (NodeHasChain)
- emitCode("AddToISelQueue(" + ChainName + ");");
if (NodeHasInFlag || HasImpInputs)
EmitInFlagSelectCode(Pattern, "N", ChainEmitted,
InFlagDecled, ResNodeDecled, true);
if (NodeHasOptInFlag) {
emitCode("if (HasInFlag) {");
emitCode(" InFlag = N.getOperand(N.getNumOperands()-1);");
- emitCode(" AddToISelQueue(InFlag);");
emitCode("}");
}
}
emitCode("for (unsigned i = NumInputRootOps + " + utostr(NodeHasChain) +
", e = N.getNumOperands()" + EndAdjust + "; i != e; ++i) {");
- emitCode(" AddToISelQueue(N.getOperand(i));");
emitCode(" Ops" + utostr(OpsNo) + ".push_back(N.getOperand(i));");
emitCode("}");
}
if (II.isSimpleLoad | II.mayLoad | II.mayStore) {
std::vector<std::string>::const_iterator mi, mie;
for (mi = LSI.begin(), mie = LSI.end(); mi != mie; ++mi) {
- emitCode("SDValue LSI_" + *mi + " = "
+ std::string LSIName = "LSI_" + *mi;
+ emitCode("SDValue " + LSIName + " = "
"CurDAG->getMemOperand(cast<MemSDNode>(" +
*mi + ")->getMemOperand());");
+ if (GenDebug) {
+ emitCode("CurDAG->setSubgraphColor(" + LSIName +".getNode(), \"yellow\");");
+ emitCode("CurDAG->setSubgraphColor(" + LSIName +".getNode(), \"black\");");
+ }
if (IsVariadic)
- emitCode("Ops" + utostr(OpsNo) + ".push_back(LSI_" + *mi + ");");
+ emitCode("Ops" + utostr(OpsNo) + ".push_back(" + LSIName + ");");
else
- AllOps.push_back("LSI_" + *mi);
+ AllOps.push_back(LSIName);
}
}
}
emitCode(CodePrefix + Code + ");");
+
+ if (GenDebug) {
+ if (!isRoot) {
+ emitCode("CurDAG->setSubgraphColor(" + NodeName +".getNode(), \"yellow\");");
+ emitCode("CurDAG->setSubgraphColor(" + NodeName +".getNode(), \"black\");");
+ }
+ else {
+ emitCode("CurDAG->setSubgraphColor(" + NodeName +", \"yellow\");");
+ emitCode("CurDAG->setSubgraphColor(" + NodeName +", \"black\");");
+ }
+ }
+
for (unsigned i = 0, e = After.size(); i != e; ++i)
emitCode(After[i]);
InFlagDecled = true;
} else
emitCode("InFlag = " + RootName + utostr(OpNo) + ";");
- emitCode("AddToISelQueue(InFlag);");
} else {
if (!ChainEmitted) {
emitCode("SDValue Chain = CurDAG->getEntryNode();");
ChainName = "Chain";
ChainEmitted = true;
}
- emitCode("AddToISelQueue(" + RootName + utostr(OpNo) + ");");
if (!InFlagDecled) {
emitCode("SDValue InFlag(0, 0);");
InFlagDecled = true;
} else
emitCode("InFlag = " + RootName +
".getOperand(" + utostr(OpNo) + ");");
- emitCode("AddToISelQueue(InFlag);");
}
}
};
// Replace the emission code within selection routines with calls to the
// emission functions.
- CallerCode = "return Emit_" + utostr(EmitFuncNum) + CallerCode;
- GeneratedCode.push_back(std::make_pair(false, CallerCode));
+ if (GenDebug) {
+ GeneratedCode.push_back(std::make_pair(0, "CurDAG->setSubgraphColor(N.getNode(), \"red\");"));
+ }
+ CallerCode = "SDNode *Result = Emit_" + utostr(EmitFuncNum) + CallerCode;
+ GeneratedCode.push_back(std::make_pair(3, CallerCode));
+ if (GenDebug) {
+ GeneratedCode.push_back(std::make_pair(0, "if(Result) {"));
+ GeneratedCode.push_back(std::make_pair(0, " CurDAG->setSubgraphColor(Result, \"yellow\");"));
+ GeneratedCode.push_back(std::make_pair(0, " CurDAG->setSubgraphColor(Result, \"black\");"));
+ GeneratedCode.push_back(std::make_pair(0, "}"));
+ //GeneratedCode.push_back(std::make_pair(0, "CurDAG->setSubgraphColor(N.getNode(), \"black\");"));
+ }
+ GeneratedCode.push_back(std::make_pair(0, "return Result;"));
}
// Print function.
<< " std::vector<SDValue> Ops(N.getNode()->op_begin(), N.getNode()->op_end());\n"
<< " SelectInlineAsmMemoryOperands(Ops);\n\n"
- << " // Ensure that the asm operands are themselves selected.\n"
- << " for (unsigned j = 0, e = Ops.size(); j != e; ++j)\n"
- << " AddToISelQueue(Ops[j]);\n\n"
-
<< " std::vector<MVT> VTs;\n"
<< " VTs.push_back(MVT::Other);\n"
<< " VTs.push_back(MVT::Flag);\n"
<< " SDValue Chain = N.getOperand(0);\n"
<< " unsigned C = cast<LabelSDNode>(N)->getLabelID();\n"
<< " SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
- << " AddToISelQueue(Chain);\n"
<< " return CurDAG->SelectNodeTo(N.getNode(), TargetInstrInfo::DBG_LABEL,\n"
<< " MVT::Other, Tmp, Chain);\n"
<< "}\n\n";
<< " SDValue Chain = N.getOperand(0);\n"
<< " unsigned C = cast<LabelSDNode>(N)->getLabelID();\n"
<< " SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
- << " AddToISelQueue(Chain);\n"
<< " return CurDAG->SelectNodeTo(N.getNode(), TargetInstrInfo::EH_LABEL,\n"
<< " MVT::Other, Tmp, Chain);\n"
<< "}\n\n";
<< "CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());\n"
<< " SDValue Tmp2 = "
<< "CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());\n"
- << " AddToISelQueue(Chain);\n"
<< " return CurDAG->SelectNodeTo(N.getNode(), TargetInstrInfo::DECLARE,\n"
<< " MVT::Other, Tmp1, Tmp2, Chain);\n"
<< "}\n\n";
<< " SDValue N1 = N.getOperand(1);\n"
<< " unsigned C = cast<ConstantSDNode>(N1)->getZExtValue();\n"
<< " SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
- << " AddToISelQueue(N0);\n"
<< " return CurDAG->SelectNodeTo(N.getNode(), TargetInstrInfo::EXTRACT_SUBREG,\n"
<< " N.getValueType(), N0, Tmp);\n"
<< "}\n\n";
<< " SDValue N2 = N.getOperand(2);\n"
<< " unsigned C = cast<ConstantSDNode>(N2)->getZExtValue();\n"
<< " SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
- << " AddToISelQueue(N1);\n"
- << " AddToISelQueue(N0);\n"
<< " return CurDAG->SelectNodeTo(N.getNode(), TargetInstrInfo::INSERT_SUBREG,\n"
<< " N.getValueType(), N0, N1, Tmp);\n"
<< "}\n\n";
OS << "// The main instruction selector code.\n"
<< "SDNode *SelectCode(SDValue N) {\n"
- << " if (N.isMachineOpcode()) {\n"
- << " return NULL; // Already selected.\n"
- << " }\n\n"
<< " MVT::SimpleValueType NVT = N.getNode()->getValueType(0).getSimpleVT();\n"
<< " switch (N.getOpcode()) {\n"
- << " default: break;\n"
- << " case ISD::EntryToken: // These leaves remain the same.\n"
+ << " default:\n"
+ << " assert(!N.isMachineOpcode() && \"Node already selected!\");\n"
+ << " break;\n"
+ << " case ISD::EntryToken: // These nodes remain the same.\n"
+ << " case ISD::MEMOPERAND:\n"
<< " case ISD::BasicBlock:\n"
<< " case ISD::Register:\n"
<< " case ISD::HANDLENODE:\n"
<< " case ISD::TargetExternalSymbol:\n"
<< " case ISD::TargetJumpTable:\n"
<< " case ISD::TargetGlobalTLSAddress:\n"
- << " case ISD::TargetGlobalAddress: {\n"
+ << " case ISD::TargetGlobalAddress:\n"
+ << " case ISD::TokenFactor:\n"
+ << " case ISD::CopyFromReg:\n"
+ << " case ISD::CopyToReg: {\n"
<< " return NULL;\n"
<< " }\n"
<< " case ISD::AssertSext:\n"
<< " case ISD::AssertZext: {\n"
- << " AddToISelQueue(N.getOperand(0));\n"
<< " ReplaceUses(N, N.getOperand(0));\n"
<< " return NULL;\n"
<< " }\n"
- << " case ISD::TokenFactor:\n"
- << " case ISD::CopyFromReg:\n"
- << " case ISD::CopyToReg: {\n"
- << " for (unsigned i = 0, e = N.getNumOperands(); i != e; ++i)\n"
- << " AddToISelQueue(N.getOperand(i));\n"
- << " return NULL;\n"
- << " }\n"
<< " case ISD::INLINEASM: return Select_INLINEASM(N);\n"
<< " case ISD::DBG_LABEL: return Select_DBG_LABEL(N);\n"
<< " case ISD::EH_LABEL: return Select_EH_LABEL(N);\n"
projects / oota-llvm.git / blobdiff