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Modify the intrinsics pattern to separate out the "return" types from the

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"parameter" types. An intrinsic can now return a multiple return values like
this:

  def add_with_overflow : Intrinsic<[llvm_i32_ty, llvm_i1_ty],
                                    [LLVMMatchType<0>, LLVMMatchType<0>]>;



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59237 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2008-11-13 09:08:33 +00:00
parent 3c902e81fa
commit cdcc3e6e12
11 changed files with 782 additions and 644 deletions
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utils/TableGen/CodeGenTarget.cpp
+29 -16
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@@ -438,25 +438,27 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
isCommutative = false;
if (DefName.size() <= 4 ||
std::string(DefName.begin(), DefName.begin()+4) != "int_")
std::string(DefName.begin(), DefName.begin() + 4) != "int_")
throw "Intrinsic '" + DefName + "' does not start with 'int_'!";
EnumName = std::string(DefName.begin()+4, DefName.end());
if (R->getValue("GCCBuiltinName")) // Ignore a missing GCCBuiltinName field.
GCCBuiltinName = R->getValueAsString("GCCBuiltinName");
TargetPrefix = R->getValueAsString("TargetPrefix");
TargetPrefix = R->getValueAsString("TargetPrefix");
Name = R->getValueAsString("LLVMName");
if (Name == "") {
// If an explicit name isn't specified, derive one from the DefName.
Name = "llvm.";
for (unsigned i = 0, e = EnumName.size(); i != e; ++i)
if (EnumName[i] == '_')
Name += '.';
else
Name += EnumName[i];
Name += (EnumName[i] == '_') ? '.' : EnumName[i];
} else {
// Verify it starts with "llvm.".
if (Name.size() <= 5 ||
std::string(Name.begin(), Name.begin()+5) != "llvm.")
std::string(Name.begin(), Name.begin() + 5) != "llvm.")
throw "Intrinsic '" + DefName + "'s name does not start with 'llvm.'!";
}
@@ -464,26 +466,37 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
// "llvm.<targetprefix>.".
if (!TargetPrefix.empty()) {
if (Name.size() < 6+TargetPrefix.size() ||
std::string(Name.begin()+5, Name.begin()+6+TargetPrefix.size())
!= (TargetPrefix+"."))
throw "Intrinsic '" + DefName + "' does not start with 'llvm." +
std::string(Name.begin() + 5, Name.begin() + 6 + TargetPrefix.size())
!= (TargetPrefix + "."))
throw "Intrinsic '" + DefName + "' does not start with 'llvm." +
TargetPrefix + ".'!";
}
// Parse the list of argument types.
ListInit *TypeList = R->getValueAsListInit("Types");
// Parse the list of return types.
ListInit *TypeList = R->getValueAsListInit("RetTypes");
for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
Record *TyEl = TypeList->getElementAsRecord(i);
assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT"));
isOverloaded |= VT == MVT::iAny || VT == MVT::fAny || VT == MVT::iPTRAny;
ArgVTs.push_back(VT);
ArgTypeDefs.push_back(TyEl);
IS.RetVTs.push_back(VT);
IS.RetTypeDefs.push_back(TyEl);
}
if (ArgVTs.size() == 0)
if (IS.RetVTs.size() == 0)
throw "Intrinsic '"+DefName+"' needs at least a type for the ret value!";
// Parse the list of parameter types.
TypeList = R->getValueAsListInit("ParamTypes");
for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
Record *TyEl = TypeList->getElementAsRecord(i);
assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT"));
isOverloaded |= VT == MVT::iAny || VT == MVT::fAny || VT == MVT::iPTRAny;
IS.ParamVTs.push_back(VT);
IS.ParamTypeDefs.push_back(TyEl);
}
// Parse the intrinsic properties.
ListInit *PropList = R->getValueAsListInit("Properties");
for (unsigned i = 0, e = PropList->getSize(); i != e; ++i) {