New feature: add support for target intrinsics being defined in the
target directories themselves. This also means that VMCore no longer
needs to know about every target's list of intrinsics. Future work
will include converting the PowerPC target to this interface as an
example implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63765 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index eda55e1..53081ff 100644
--- a/utils/TableGen/IntrinsicEmitter.cpp
+++ b/utils/TableGen/IntrinsicEmitter.cpp
@@ -25,7 +25,10 @@
void IntrinsicEmitter::run(std::ostream &OS) {
EmitSourceFileHeader("Intrinsic Function Source Fragment", OS);
- std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records);
+ std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records, TargetOnly);
+
+ if (TargetOnly && !Ints.empty())
+ TargetPrefix = Ints[0].TargetPrefix;
// Emit the enum information.
EmitEnumInfo(Ints, OS);
@@ -91,12 +94,12 @@
if (Ints[I->second].isOverloaded)
OS << " if (Len > " << I->first.size()
<< " && !memcmp(Name, \"" << I->first << ".\", "
- << (I->first.size() + 1) << ")) return Intrinsic::"
+ << (I->first.size() + 1) << ")) return " << TargetPrefix << "Intrinsic::"
<< Ints[I->second].EnumName << ";\n";
else
OS << " if (Len == " << I->first.size()
<< " && !memcmp(Name, \"" << I->first << "\", "
- << I->first.size() << ")) return Intrinsic::"
+ << I->first.size() << ")) return " << TargetPrefix << "Intrinsic::"
<< Ints[I->second].EnumName << ";\n";
}
OS << " }\n";
@@ -351,11 +354,13 @@
Ints[i].IS.ParamTypeDefs)].push_back(i);
// Loop through the array, emitting one generator for each batch.
+ std::string IntrinsicStr = TargetPrefix + "Intrinsic::";
+
for (MapTy::iterator I = UniqueArgInfos.begin(),
E = UniqueArgInfos.end(); I != E; ++I) {
for (unsigned i = 0, e = I->second.size(); i != e; ++i)
- OS << " case Intrinsic::" << Ints[I->second[i]].EnumName << ":\t\t// "
- << Ints[I->second[i]].Name << "\n";
+ OS << " case " << IntrinsicStr << Ints[I->second[i]].EnumName
+ << ":\t\t// " << Ints[I->second[i]].Name << "\n";
const RecPair &ArgTypes = I->first;
const std::vector<Record*> &RetTys = ArgTypes.first;
@@ -392,7 +397,11 @@
EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) {
OS << "// Add parameter attributes that are not common to all intrinsics.\n";
OS << "#ifdef GET_INTRINSIC_ATTRIBUTES\n";
- OS << "AttrListPtr Intrinsic::getAttributes(ID id) {";
+ if (TargetOnly)
+ OS << "static AttrListPtr getAttributes(" << TargetPrefix
+ << "Intrinsic::ID id) {";
+ else
+ OS << "AttrListPtr Intrinsic::getAttributes(ID id) {";
OS << " // No intrinsic can throw exceptions.\n";
OS << " Attributes Attr = Attribute::NoUnwind;\n";
OS << " switch (id) {\n";
@@ -404,7 +413,8 @@
switch (Ints[i].ModRef) {
default: break;
case CodeGenIntrinsic::NoMem:
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
break;
}
}
@@ -415,7 +425,8 @@
default: break;
case CodeGenIntrinsic::ReadArgMem:
case CodeGenIntrinsic::ReadMem:
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
break;
}
}
@@ -431,7 +442,8 @@
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
if (Ints[i].ArgumentAttributes.empty()) continue;
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
std::vector<std::pair<unsigned, CodeGenIntrinsic::ArgAttribute> > ArgAttrs =
Ints[i].ArgumentAttributes;
@@ -495,7 +507,7 @@
typedef std::map<std::string, std::string>::const_iterator StrMapIterator;
static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
unsigned CharStart, unsigned Indent,
- std::ostream &OS) {
+ std::string TargetPrefix, std::ostream &OS) {
if (Start == End) return; // empty range.
// Determine what, if anything, is the same about all these strings.
@@ -522,7 +534,8 @@
OS << CommonString.size() - CharStart << "))\n";
++Indent;
}
- OS << std::string(Indent*2, ' ') << "IntrinsicID = Intrinsic::";
+ OS << std::string(Indent*2, ' ') << "IntrinsicID = " << TargetPrefix
+ << "Intrinsic::";
OS << Start->second << ";\n";
return;
}
@@ -535,7 +548,8 @@
OS << ", \"" << (CommonString.c_str()+CharStart) << "\", ";
OS << CommonString.size()-CharStart << ")) {\n";
- EmitBuiltinComparisons(Start, End, CommonString.size(), Indent+1, OS);
+ EmitBuiltinComparisons(Start, End, CommonString.size(), Indent+1,
+ TargetPrefix, OS);
OS << std::string(Indent*2, ' ') << "}\n";
return;
}
@@ -556,7 +570,7 @@
for (++NextChar; NextChar != End && NextChar->first[CharStart] == ThisChar;
++NextChar)
/*empty*/;
- EmitBuiltinComparisons(I, NextChar, CharStart+1, Indent+1, OS);
+ EmitBuiltinComparisons(I, NextChar, CharStart+1, Indent+1, TargetPrefix,OS);
OS << std::string(Indent*2, ' ') << " break;\n";
I = NextChar;
}
@@ -566,6 +580,7 @@
/// EmitTargetBuiltins - All of the builtins in the specified map are for the
/// same target, and we already checked it.
static void EmitTargetBuiltins(const std::map<std::string, std::string> &BIM,
+ const std::string &TargetPrefix,
std::ostream &OS) {
// Rearrange the builtins by length.
std::vector<std::map<std::string, std::string> > BuiltinsByLen;
@@ -584,7 +599,7 @@
if (BuiltinsByLen[i].empty()) continue;
OS << " case " << i << ":\n";
EmitBuiltinComparisons(BuiltinsByLen[i].begin(), BuiltinsByLen[i].end(),
- 0, 3, OS);
+ 0, 3, TargetPrefix, OS);
OS << " break;\n";
}
OS << " }\n";
@@ -613,7 +628,22 @@
OS << "// in as BuiltinName, and a target prefix (e.g. 'ppc') is passed\n";
OS << "// in as TargetPrefix. The result is assigned to 'IntrinsicID'.\n";
OS << "#ifdef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN\n";
- OS << " IntrinsicID = Intrinsic::not_intrinsic;\n";
+
+ if (TargetOnly) {
+ OS << "static " << TargetPrefix << "Intrinsic::ID "
+ << "getIntrinsicForGCCBuiltin(const char "
+ << "*TargetPrefix, const char *BuiltinName) {\n";
+ OS << " " << TargetPrefix << "Intrinsic::ID IntrinsicID = ";
+ } else {
+ OS << "Intrinsic::ID Intrinsic::getIntrinsicForGCCBuiltin(const char "
+ << "*TargetPrefix, const char *BuiltinName) {\n";
+ OS << " Intrinsic::ID IntrinsicID = ";
+ }
+
+ if (TargetOnly)
+ OS << "(" << TargetPrefix<< "Intrinsic::ID)";
+
+ OS << "Intrinsic::not_intrinsic;\n";
// Note: this could emit significantly better code if we cared.
for (BIMTy::iterator I = BuiltinMap.begin(), E = BuiltinMap.end();I != E;++I){
@@ -625,8 +655,10 @@
OS << "{\n";
// Emit the comparisons for this target prefix.
- EmitTargetBuiltins(I->second, OS);
+ EmitTargetBuiltins(I->second, TargetPrefix, OS);
OS << " }\n";
}
+ OS << " return IntrinsicID;\n";
+ OS << "}\n";
OS << "#endif\n\n";
}