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https://github.com/c64scene-ar/llvm-6502.git
synced 2025-02-06 06:33:24 +00:00
Call InsertISelMapEntry rather than map insertion operator to prevent overly
aggrssive inlining. This reduces Select_store frame size from 24k to 10k. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26095 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
parent
fae9f1cb34
commit
67212a05e6
@ -2395,32 +2395,29 @@ public:
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unsigned ValNo = 0;
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for (unsigned i = 0; i < NumResults; i++) {
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emitCode("CodeGenMap[N.getValue(" + utostr(ValNo) +
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")] = SDOperand(ResNode, " + utostr(ValNo) + ");");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, " +
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utostr(ValNo) + ", ResNode, " + utostr(ValNo) + ");");
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ValNo++;
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}
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if (HasChain)
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emitCode(ChainName + " = SDOperand(ResNode, " + utostr(ValNo) + ");");
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if (NodeHasOutFlag)
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emitCode("InFlag = SDOperand(ResNode, " +
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utostr(ValNo + (unsigned)HasChain) + ");");
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if (HasImpResults && EmitCopyFromRegs(N, ChainEmitted)) {
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emitCode("CodeGenMap[N.getValue(" + utostr(ValNo) + ")] = "
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"SDOperand(ResNode, " + utostr(ValNo) + ");");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, " +
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utostr(ValNo) + ", ResNode, " + utostr(ValNo) + ");");
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ValNo++;
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}
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// User does not expect the instruction would produce a chain!
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bool AddedChain = HasChain && !NodeHasChain;
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if (NodeHasChain) {
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emitCode("CodeGenMap[N.getValue(" + utostr(ValNo) + ")] = " +
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ChainName + ";");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, " +
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utostr(ValNo) + ", ResNode, " + utostr(ValNo) + ");");
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if (DoReplace)
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emitCode("if (N.ResNo == 0) AddHandleReplacement(N.getValue("
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+ utostr(ValNo) + "), " + ChainName + ");");
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emitCode("if (N.ResNo == 0) AddHandleReplacement(N.Val, "
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+ utostr(ValNo) + ", " + "ResNode, " + utostr(ValNo) + ");");
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ValNo++;
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}
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@ -2428,20 +2425,23 @@ public:
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if (FoldedChains.size() > 0) {
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std::string Code;
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for (unsigned j = 0, e = FoldedChains.size(); j < e; j++)
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Code += "CodeGenMap[" + FoldedChains[j].first + ".getValue(" +
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utostr(FoldedChains[j].second) + ")] = ";
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emitCode(Code + ChainName + ";");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, " +
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FoldedChains[j].first + ".Val, " +
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utostr(FoldedChains[j].second) + ", ResNode, " +
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utostr(ValNo) + ");");
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for (unsigned j = 0, e = FoldedChains.size(); j < e; j++) {
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std::string Code =
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FoldedChains[j].first + ".getValue(" +
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utostr(FoldedChains[j].second) + ")";
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emitCode("AddHandleReplacement(" + Code + ", " + ChainName + ");");
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FoldedChains[j].first + ".Val, " +
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utostr(FoldedChains[j].second) + ", ";
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emitCode("AddHandleReplacement(" + Code + "ResNode, " +
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utostr(ValNo) + ");");
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}
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}
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if (NodeHasOutFlag)
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emitCode("CodeGenMap[N.getValue(" + utostr(ValNo) + ")] = InFlag;");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, " +
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utostr(ValNo) + ", InFlag.Val, InFlag.ResNo);");
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if (AddedChain && NodeHasOutFlag) {
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if (NumExpectedResults == 0) {
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@ -2483,7 +2483,9 @@ public:
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if (HasInFlag || HasImpInputs)
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Code += ", InFlag";
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emitCode(Code + ");");
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emitCode(" Result = CodeGenMap[N] = SDOperand(ResNode, 0);");
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emitCode(" SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, N.ResNo, "
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"ResNode, 0);");
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emitCode(" Result = SDOperand(ResNode, 0);");
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emitCode("}");
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}
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@ -2498,7 +2500,9 @@ public:
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emitCode("Tmp" + utostr(ResNo) + " = Transform_" + Op->getName()
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+ "(Tmp" + utostr(OpVal) + ".Val);");
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if (isRoot) {
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emitCode("CodeGenMap[N] = Tmp" +utostr(ResNo) + ";");
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emitCode("SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val,"
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"N.ResNo, Tmp" + utostr(ResNo) + ".Val, Tmp" +
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utostr(ResNo) + ".ResNo);");
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emitCode("Result = Tmp" + utostr(ResNo) + ";");
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emitCode("return;");
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}
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@ -2571,13 +2575,12 @@ private:
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}
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emitCode("Select(" + RootName + utostr(OpNo) + ", " +
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RootName + utostr(OpNo) + ");");
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emitDecl("Copy", true);
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emitCode("Copy = CurDAG->getCopyToReg(" + ChainName +
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emitCode("ResNode = CurDAG->getCopyToReg(" + ChainName +
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", CurDAG->getRegister(" + ISE.getQualifiedName(RR) +
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", MVT::" + getEnumName(RVT) + "), " +
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RootName + utostr(OpNo) + ", InFlag).Val;");
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emitCode(ChainName + " = SDOperand(Copy, 0);");
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emitCode("InFlag = SDOperand(Copy, 1);");
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emitCode(ChainName + " = SDOperand(ResNode, 0);");
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emitCode("InFlag = SDOperand(ResNode, 1);");
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}
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}
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}
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@ -2882,10 +2885,10 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " && N.getValue(0).hasOneUse()) {\n"
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<< " SDOperand Dummy = "
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<< "CurDAG->getNode(ISD::HANDLENODE, MVT::Other, N);\n"
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<< " CodeGenMap[N.getValue(" << OpcodeInfo.getNumResults()
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<< ")] = Dummy;\n"
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<< " HandleMap[N.getValue(" << OpcodeInfo.getNumResults()
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<< ")] = Dummy;\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, "
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<< OpcodeInfo.getNumResults() << ", Dummy.Val, 0);\n"
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<< " SelectionDAG::InsertISelMapEntry(HandleMap, N.Val, "
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<< OpcodeInfo.getNumResults() << ", Dummy.Val, 0);\n"
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<< " Result = Dummy;\n"
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<< " return;\n"
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<< " }\n";
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@ -2980,8 +2983,8 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " VTs.push_back(MVT::Other);\n"
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<< " VTs.push_back(MVT::Flag);\n"
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<< " SDOperand New = CurDAG->getNode(ISD::INLINEASM, VTs, Ops);\n"
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<< " CodeGenMap[N.getValue(0)] = New;\n"
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<< " CodeGenMap[N.getValue(1)] = New.getValue(1);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 0, New.Val, 0);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 1, New.Val, 1);\n"
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<< " Result = New.getValue(N.ResNo);\n"
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<< " return;\n"
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<< "}\n\n";
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@ -3016,7 +3019,9 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " case ISD::AssertZext: {\n"
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<< " SDOperand Tmp0;\n"
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<< " Select(Tmp0, N.getOperand(0));\n"
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<< " if (!N.Val->hasOneUse()) CodeGenMap[N] = Tmp0;\n"
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<< " if (!N.Val->hasOneUse())\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, N.ResNo, "
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<< "Tmp0.Val, Tmp0.ResNo);\n"
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<< " Result = Tmp0;\n"
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<< " return;\n"
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<< " }\n"
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@ -3025,8 +3030,10 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " SDOperand Op0, Op1;\n"
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<< " Select(Op0, N.getOperand(0));\n"
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<< " Select(Op1, N.getOperand(1));\n"
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<< " Result = CodeGenMap[N] =\n"
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<< " Result = \n"
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<< " CurDAG->getNode(ISD::TokenFactor, MVT::Other, Op0, Op1);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, N.ResNo, "
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<< "Result.Val, Result.ResNo);\n"
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<< " } else {\n"
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<< " std::vector<SDOperand> Ops;\n"
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<< " for (unsigned i = 0, e = N.getNumOperands(); i != e; ++i) {\n"
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@ -3034,8 +3041,10 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " Select(Val, N.getOperand(i));\n"
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<< " Ops.push_back(Val);\n"
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<< " }\n"
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<< " Result = CodeGenMap[N] = \n"
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<< " CurDAG->getNode(ISD::TokenFactor, MVT::Other, Ops);\n"
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<< " Result = \n"
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<< " CurDAG->getNode(ISD::TokenFactor, MVT::Other, Ops);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, N.ResNo, "
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<< "Result.Val, Result.ResNo);\n"
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<< " }\n"
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<< " return;\n"
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<< " case ISD::CopyFromReg: {\n"
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@ -3049,8 +3058,10 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " return;\n"
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<< " }\n"
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<< " SDOperand New = CurDAG->getCopyFromReg(Chain, Reg, VT);\n"
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<< " CodeGenMap[N.getValue(0)] = New;\n"
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<< " CodeGenMap[N.getValue(1)] = New.getValue(1);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 0, "
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<< "New.Val, 0);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 1, "
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<< "New.Val, 1);\n"
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<< " Result = New.getValue(N.ResNo);\n"
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<< " return;\n"
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<< " } else {\n"
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@ -3062,9 +3073,12 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " return;\n"
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<< " }\n"
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<< " SDOperand New = CurDAG->getCopyFromReg(Chain, Reg, VT, Flag);\n"
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<< " CodeGenMap[N.getValue(0)] = New;\n"
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<< " CodeGenMap[N.getValue(1)] = New.getValue(1);\n"
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<< " CodeGenMap[N.getValue(2)] = New.getValue(2);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 0, "
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<< "New.Val, 0);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 1, "
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<< "New.Val, 1);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 2, "
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<< "New.Val, 2);\n"
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<< " Result = New.getValue(N.ResNo);\n"
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<< " return;\n"
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<< " }\n"
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@ -3079,15 +3093,18 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
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<< " if (N.Val->getNumValues() == 1) {\n"
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<< " if (Chain != N.getOperand(0) || Val != N.getOperand(2))\n"
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<< " Result = CurDAG->getCopyToReg(Chain, Reg, Val);\n"
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<< " CodeGenMap[N] = Result;\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 0, "
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<< "Result.Val, 0);\n"
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<< " } else {\n"
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<< " SDOperand Flag(0, 0);\n"
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<< " if (N.getNumOperands() == 4) Select(Flag, N.getOperand(3));\n"
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<< " if (Chain != N.getOperand(0) || Val != N.getOperand(2) ||\n"
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<< " (N.getNumOperands() == 4 && Flag != N.getOperand(3)))\n"
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<< " Result = CurDAG->getCopyToReg(Chain, Reg, Val, Flag);\n"
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<< " CodeGenMap[N.getValue(0)] = Result;\n"
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<< " CodeGenMap[N.getValue(1)] = Result.getValue(1);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 0, "
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<< "Result.Val, 0);\n"
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<< " SelectionDAG::InsertISelMapEntry(CodeGenMap, N.Val, 1, "
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<< "Result.Val, 1);\n"
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<< " Result = Result.getValue(N.ResNo);\n"
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<< " }\n"
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<< " return;\n"
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@ -3167,10 +3184,12 @@ void DAGISelEmitter::run(std::ostream &OS) {
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OS << "\n";
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OS << "// AddHandleReplacement - Note the pending replacement node for a\n"
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<< "// handle node in ReplaceMap.\n";
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OS << "void AddHandleReplacement(SDOperand N, SDOperand R) {\n";
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OS << "void AddHandleReplacement(SDNode *H, unsigned HNum, SDNode *R, "
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<< "unsigned RNum) {\n";
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OS << " SDOperand N(H, HNum);\n";
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OS << " std::map<SDOperand, SDOperand>::iterator HMI = HandleMap.find(N);\n";
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OS << " if (HMI != HandleMap.end()) {\n";
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OS << " ReplaceMap[HMI->second] = R;\n";
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OS << " ReplaceMap[HMI->second] = SDOperand(R, RNum);\n";
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OS << " HandleMap.erase(N);\n";
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OS << " }\n";
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OS << "}\n";
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@ -3186,7 +3205,7 @@ void DAGISelEmitter::run(std::ostream &OS) {
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OS << " SDOperand N = I->first;\n";
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OS << " SDOperand R;\n";
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OS << " Select(R, N.getValue(0));\n";
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OS << " AddHandleReplacement(N, R);\n";
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OS << " AddHandleReplacement(N.Val, N.ResNo, R.Val, R.ResNo);\n";
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OS << " }\n";
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OS << "}\n";
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OS << "\n";
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