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Use edge weights to choose the right linker based on input language names.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov
2008-05-06 18:15:12 +00:00
parent bb8b58dcf3
commit 76b1b24dc8
7 changed files with 94 additions and 42 deletions
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74
utils/TableGen/LLVMCConfigurationEmitter.cpp
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@@ -911,19 +911,29 @@ void TypecheckGraph (Record* CompilationGraph,
}
// Helper function used by EmitEdgePropertyTest.
void EmitEdgePropertyTest1Arg(const DagInit& Prop,
bool EmitEdgePropertyTest1Arg(const std::string& PropName,
const DagInit& Prop,
const GlobalOptionDescriptions& OptDescs,
std::ostream& O) {
checkNumberOfArguments(&Prop, 1);
const std::string& OptName = InitPtrToString(Prop.getArg(0));
const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
if (OptDesc.Type != OptionType::Switch)
throw OptName + ": incorrect option type!";
O << OptDesc.GenVariableName();
if (PropName == "switch_on") {
const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
if (OptDesc.Type != OptionType::Switch)
throw OptName + ": incorrect option type!";
O << OptDesc.GenVariableName();
return true;
}
else if (PropName == "if_input_languages_contain") {
O << "InLangs.count(\"" << OptName << "\") != 0";
return true;
}
return false;
}
// Helper function used by EmitEdgePropertyTest.
void EmitEdgePropertyTest2Args(const std::string& PropName,
bool EmitEdgePropertyTest2Args(const std::string& PropName,
const DagInit& Prop,
const GlobalOptionDescriptions& OptDescs,
std::ostream& O) {
@@ -937,6 +947,7 @@ void EmitEdgePropertyTest2Args(const std::string& PropName,
&& OptDesc.Type != OptionType::Prefix)
throw OptName + ": incorrect option type!";
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
return true;
}
else if (PropName == "element_in_list") {
if (OptDesc.Type != OptionType::ParameterList
@@ -946,9 +957,10 @@ void EmitEdgePropertyTest2Args(const std::string& PropName,
O << "std::find(" << VarName << ".begin(),\n"
<< Indent3 << VarName << ".end(), \""
<< OptArg << "\") != " << VarName << ".end()";
return true;
}
else
throw PropName + ": unknown edge property!";
return false;
}
// Helper function used by EmitEdgeClass.
@@ -956,10 +968,29 @@ void EmitEdgePropertyTest(const std::string& PropName,
const DagInit& Prop,
const GlobalOptionDescriptions& OptDescs,
std::ostream& O) {
if (PropName == "switch_on")
EmitEdgePropertyTest1Arg(Prop, OptDescs, O);
if (EmitEdgePropertyTest1Arg(PropName, Prop, OptDescs, O))
return;
else if (EmitEdgePropertyTest2Args(PropName, Prop, OptDescs, O))
return;
else
EmitEdgePropertyTest2Args(PropName, Prop, OptDescs, O);
throw PropName + ": unknown edge property!";
}
// Helper function used by EmitEdgeClass.
void EmitLogicalOperationTest(const DagInit& Prop, const char* LogicOp,
const GlobalOptionDescriptions& OptDescs,
std::ostream& O) {
O << '(';
for (unsigned j = 0, NumArgs = Prop.getNumArgs(); j < NumArgs; ++j) {
const DagInit& InnerProp = dynamic_cast<DagInit&>(*Prop.getArg(j));
const std::string& InnerPropName =
InnerProp.getOperator()->getAsString();
EmitEdgePropertyTest(InnerPropName, InnerProp, OptDescs, O);
if (j != NumArgs - 1)
O << ")\n" << Indent3 << ' ' << LogicOp << " (";
else
O << ')';
}
}
// Emit a single Edge* class.
@@ -975,7 +1006,7 @@ void EmitEdgeClass(unsigned N, const std::string& Target,
<< "\") {}\n\n"
// Function Weight().
<< Indent1 << "unsigned Weight() const {\n"
<< Indent1 << "unsigned Weight(const InputLanguagesSet& InLangs) const {\n"
<< Indent2 << "unsigned ret = 0;\n";
for (size_t i = 0, PropsSize = Props->size(); i < PropsSize; ++i) {
@@ -985,24 +1016,17 @@ void EmitEdgeClass(unsigned N, const std::string& Target,
if (PropName == "default")
IsDefault = true;
O << Indent2 << "if ((";
O << Indent2 << "if (";
if (PropName == "and") {
O << '(';
for (unsigned j = 0, NumArgs = Prop.getNumArgs(); j < NumArgs; ++j) {
const DagInit& InnerProp = dynamic_cast<DagInit&>(*Prop.getArg(j));
const std::string& InnerPropName =
InnerProp.getOperator()->getAsString();
EmitEdgePropertyTest(InnerPropName, InnerProp, OptDescs, O);
if (j != NumArgs - 1)
O << ")\n" << Indent3 << " && (";
else
O << ')';
}
EmitLogicalOperationTest(Prop, "&&", OptDescs, O);
}
else if (PropName == "or") {
EmitLogicalOperationTest(Prop, "||", OptDescs, O);
}
else {
EmitEdgePropertyTest(PropName, Prop, OptDescs, O);
}
O << "))\n" << Indent3 << "ret += 2;\n";
O << ")\n" << Indent3 << "ret += 2;\n";
}
if (IsDefault)