summaryrefslogtreecommitdiff
path: root/llvm/utils/TableGen/IntrinsicEmitter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/utils/TableGen/IntrinsicEmitter.cpp')
-rw-r--r--llvm/utils/TableGen/IntrinsicEmitter.cpp142
1 files changed, 70 insertions, 72 deletions
diff --git a/llvm/utils/TableGen/IntrinsicEmitter.cpp b/llvm/utils/TableGen/IntrinsicEmitter.cpp
index e01f91c20456..9a12571ac6bc 100644
--- a/llvm/utils/TableGen/IntrinsicEmitter.cpp
+++ b/llvm/utils/TableGen/IntrinsicEmitter.cpp
@@ -15,28 +15,30 @@
#include "SequenceToOffsetTable.h"
#include "TableGenBackends.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
-#include "llvm/TableGen/TableGenBackend.h"
#include "llvm/TableGen/StringToOffsetTable.h"
+#include "llvm/TableGen/TableGenBackend.h"
#include <algorithm>
using namespace llvm;
+cl::OptionCategory GenIntrinsicCat("Options for -gen-intrinsic-enums");
+cl::opt<std::string>
+ IntrinsicPrefix("intrinsic-prefix",
+ cl::desc("Generate intrinsics with this target prefix"),
+ cl::value_desc("target prefix"), cl::cat(GenIntrinsicCat));
+
namespace {
class IntrinsicEmitter {
RecordKeeper &Records;
- bool TargetOnly;
- std::string TargetPrefix;
public:
- IntrinsicEmitter(RecordKeeper &R, bool T)
- : Records(R), TargetOnly(T) {}
+ IntrinsicEmitter(RecordKeeper &R) : Records(R) {}
void run(raw_ostream &OS, bool Enums);
- void EmitPrefix(raw_ostream &OS);
-
void EmitEnumInfo(const CodeGenIntrinsicTable &Ints, raw_ostream &OS);
void EmitTargetInfo(const CodeGenIntrinsicTable &Ints, raw_ostream &OS);
void EmitIntrinsicToNameTable(const CodeGenIntrinsicTable &Ints,
@@ -47,7 +49,6 @@ public:
void EmitAttributes(const CodeGenIntrinsicTable &Ints, raw_ostream &OS);
void EmitIntrinsicToBuiltinMap(const CodeGenIntrinsicTable &Ints, bool IsGCC,
raw_ostream &OS);
- void EmitSuffix(raw_ostream &OS);
};
} // End anonymous namespace
@@ -58,12 +59,7 @@ public:
void IntrinsicEmitter::run(raw_ostream &OS, bool Enums) {
emitSourceFileHeader("Intrinsic Function Source Fragment", OS);
- CodeGenIntrinsicTable Ints(Records, TargetOnly);
-
- if (TargetOnly && !Ints.empty())
- TargetPrefix = Ints[0].TargetPrefix;
-
- EmitPrefix(OS);
+ CodeGenIntrinsicTable Ints(Records);
if (Enums) {
// Emit the enum information.
@@ -90,40 +86,64 @@ void IntrinsicEmitter::run(raw_ostream &OS, bool Enums) {
// Emit code to translate MS builtins into LLVM intrinsics.
EmitIntrinsicToBuiltinMap(Ints, false, OS);
}
-
- EmitSuffix(OS);
-}
-
-void IntrinsicEmitter::EmitPrefix(raw_ostream &OS) {
- OS << "// VisualStudio defines setjmp as _setjmp\n"
- "#if defined(_MSC_VER) && defined(setjmp) && \\\n"
- " !defined(setjmp_undefined_for_msvc)\n"
- "# pragma push_macro(\"setjmp\")\n"
- "# undef setjmp\n"
- "# define setjmp_undefined_for_msvc\n"
- "#endif\n\n";
-}
-
-void IntrinsicEmitter::EmitSuffix(raw_ostream &OS) {
- OS << "#if defined(_MSC_VER) && defined(setjmp_undefined_for_msvc)\n"
- "// let's return it to _setjmp state\n"
- "# pragma pop_macro(\"setjmp\")\n"
- "# undef setjmp_undefined_for_msvc\n"
- "#endif\n\n";
}
void IntrinsicEmitter::EmitEnumInfo(const CodeGenIntrinsicTable &Ints,
raw_ostream &OS) {
- OS << "// Enum values for Intrinsics.h\n";
- OS << "#ifdef GET_INTRINSIC_ENUM_VALUES\n";
- for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
+ // Find the TargetSet for which to generate enums. There will be an initial
+ // set with an empty target prefix which will include target independent
+ // intrinsics like dbg.value.
+ const CodeGenIntrinsicTable::TargetSet *Set = nullptr;
+ for (const auto &Target : Ints.Targets) {
+ if (Target.Name == IntrinsicPrefix) {
+ Set = &Target;
+ break;
+ }
+ }
+ if (!Set) {
+ std::vector<std::string> KnownTargets;
+ for (const auto &Target : Ints.Targets)
+ if (!Target.Name.empty())
+ KnownTargets.push_back(Target.Name);
+ PrintFatalError("tried to generate intrinsics for unknown target " +
+ IntrinsicPrefix +
+ "\nKnown targets are: " + join(KnownTargets, ", ") + "\n");
+ }
+
+ // Generate a complete header for target specific intrinsics.
+ if (!IntrinsicPrefix.empty()) {
+ std::string UpperPrefix = StringRef(IntrinsicPrefix).upper();
+ OS << "#ifndef LLVM_IR_INTRINSIC_" << UpperPrefix << "_ENUMS_H\n";
+ OS << "#define LLVM_IR_INTRINSIC_" << UpperPrefix << "_ENUMS_H\n\n";
+ OS << "namespace llvm {\n";
+ OS << "namespace Intrinsic {\n";
+ OS << "enum " << UpperPrefix << "Intrinsics : unsigned {\n";
+ }
+
+ OS << "// Enum values for intrinsics\n";
+ for (unsigned i = Set->Offset, e = Set->Offset + Set->Count; i != e; ++i) {
OS << " " << Ints[i].EnumName;
- OS << ((i != e-1) ? ", " : " ");
+
+ // Assign a value to the first intrinsic in this target set so that all
+ // intrinsic ids are distinct.
+ if (i == Set->Offset)
+ OS << " = " << (Set->Offset + 1);
+
+ OS << ", ";
if (Ints[i].EnumName.size() < 40)
- OS << std::string(40-Ints[i].EnumName.size(), ' ');
+ OS.indent(40 - Ints[i].EnumName.size());
OS << " // " << Ints[i].Name << "\n";
}
- OS << "#endif\n\n";
+
+ // Emit num_intrinsics into the target neutral enum.
+ if (IntrinsicPrefix.empty()) {
+ OS << " num_intrinsics = " << (Ints.size() + 1) << "\n";
+ } else {
+ OS << "}; // enum\n";
+ OS << "} // namespace Intrinsic\n";
+ OS << "} // namespace llvm\n\n";
+ OS << "#endif\n";
+ }
}
void IntrinsicEmitter::EmitTargetInfo(const CodeGenIntrinsicTable &Ints,
@@ -588,11 +608,7 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
raw_ostream &OS) {
OS << "// Add parameter attributes that are not common to all intrinsics.\n";
OS << "#ifdef GET_INTRINSIC_ATTRIBUTES\n";
- if (TargetOnly)
- OS << "static AttributeList getAttributes(LLVMContext &C, " << TargetPrefix
- << "Intrinsic::ID id) {\n";
- else
- OS << "AttributeList Intrinsic::getAttributes(LLVMContext &C, ID id) {\n";
+ OS << "AttributeList Intrinsic::getAttributes(LLVMContext &C, ID id) {\n";
// Compute the maximum number of attribute arguments and the map
typedef std::map<const CodeGenIntrinsic*, unsigned,
@@ -625,12 +641,7 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
OS << " AttributeList AS[" << maxArgAttrs + 1 << "];\n";
OS << " unsigned NumAttrs = 0;\n";
OS << " if (id != 0) {\n";
- OS << " switch(IntrinsicsToAttributesMap[id - ";
- if (TargetOnly)
- OS << "Intrinsic::num_intrinsics";
- else
- OS << "1";
- OS << "]) {\n";
+ OS << " switch(IntrinsicsToAttributesMap[id - 1]) {\n";
OS << " default: llvm_unreachable(\"Invalid attribute number\");\n";
for (UniqAttrMapTy::const_iterator I = UniqAttributes.begin(),
E = UniqAttributes.end(); I != E; ++I) {
@@ -875,21 +886,12 @@ void IntrinsicEmitter::EmitIntrinsicToBuiltinMap(
OS << "// in as TargetPrefix. The result is assigned to 'IntrinsicID'.\n";
OS << "#ifdef GET_LLVM_INTRINSIC_FOR_" << CompilerName << "_BUILTIN\n";
- if (TargetOnly) {
- OS << "static " << TargetPrefix << "Intrinsic::ID "
- << "getIntrinsicFor" << CompilerName << "Builtin(const char "
- << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
- } else {
- OS << "Intrinsic::ID Intrinsic::getIntrinsicFor" << CompilerName
- << "Builtin(const char "
- << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
- }
+ OS << "Intrinsic::ID Intrinsic::getIntrinsicFor" << CompilerName
+ << "Builtin(const char "
+ << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
if (Table.Empty()) {
- OS << " return ";
- if (!TargetPrefix.empty())
- OS << "(" << TargetPrefix << "Intrinsic::ID)";
- OS << "Intrinsic::not_intrinsic;\n";
+ OS << " return Intrinsic::not_intrinsic;\n";
OS << "}\n";
OS << "#endif\n\n";
return;
@@ -937,19 +939,15 @@ void IntrinsicEmitter::EmitIntrinsicToBuiltinMap(
OS << " }\n";
}
OS << " return ";
- if (!TargetPrefix.empty())
- OS << "(" << TargetPrefix << "Intrinsic::ID)";
OS << "Intrinsic::not_intrinsic;\n";
OS << "}\n";
OS << "#endif\n\n";
}
-void llvm::EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS,
- bool TargetOnly) {
- IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/true);
+void llvm::EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS) {
+ IntrinsicEmitter(RK).run(OS, /*Enums=*/true);
}
-void llvm::EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS,
- bool TargetOnly) {
- IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/false);
+void llvm::EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS) {
+ IntrinsicEmitter(RK).run(OS, /*Enums=*/false);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-09 04:25:18 +0000