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Reapply 63765. Patches for clang and llvm-gcc to follow.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63812 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2009-02-05 01:49:45 +00:00
parent 2fabcb2776
commit 49de98214b
21 changed files with 207 additions and 43 deletions
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utils/TableGen/IntrinsicEmitter.cpp
+48 -16
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@@ -25,7 +25,10 @@ using namespace llvm;
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 @@ EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints,
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 @@ void IntrinsicEmitter::EmitGenerator(const std::vector<CodeGenIntrinsic> &Ints,
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 @@ void IntrinsicEmitter::
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 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) {
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 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) {
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 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) {
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 @@ EmitGCCBuiltinList(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS){
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 @@ static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
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 @@ static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
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 @@ static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
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 @@ static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
/// 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 @@ static void EmitTargetBuiltins(const std::map<std::string, std::string> &BIM,
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 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
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 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
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";
}