[llvm] 0469ff0 - TableGen: Split RuntimeLibcallsEmitter into separate utility header (#166583)
via llvm-commits
llvm-commits at lists.llvm.org
Wed Nov 5 11:56:03 PST 2025
Author: Matt Arsenault
Date: 2025-11-05T11:55:59-08:00
New Revision: 0469ff0a212d7f3dea464c52e19d56e22b5af858
URL: https://github.com/llvm/llvm-project/commit/0469ff0a212d7f3dea464c52e19d56e22b5af858
DIFF: https://github.com/llvm/llvm-project/commit/0469ff0a212d7f3dea464c52e19d56e22b5af858.diff
LOG: TableGen: Split RuntimeLibcallsEmitter into separate utility header (#166583)
This information will be needed in more emitters, so start factoring
it to be more reusable.
Added:
llvm/utils/TableGen/Basic/RuntimeLibcalls.cpp
llvm/utils/TableGen/Basic/RuntimeLibcalls.h
Modified:
llvm/utils/TableGen/Basic/CMakeLists.txt
llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
Removed:
################################################################################
diff --git a/llvm/utils/TableGen/Basic/CMakeLists.txt b/llvm/utils/TableGen/Basic/CMakeLists.txt
index b4a66ecce6440..2030e9add7f30 100644
--- a/llvm/utils/TableGen/Basic/CMakeLists.txt
+++ b/llvm/utils/TableGen/Basic/CMakeLists.txt
@@ -16,6 +16,7 @@ add_llvm_library(LLVMTableGenBasic OBJECT EXCLUDE_FROM_ALL DISABLE_LLVM_LINK_LLV
IntrinsicEmitter.cpp
RISCVTargetDefEmitter.cpp
RuntimeLibcallsEmitter.cpp
+ RuntimeLibcalls.cpp
SDNodeProperties.cpp
TableGen.cpp
TargetFeaturesEmitter.cpp
diff --git a/llvm/utils/TableGen/Basic/RuntimeLibcalls.cpp b/llvm/utils/TableGen/Basic/RuntimeLibcalls.cpp
new file mode 100644
index 0000000000000..1e609a2a8880b
--- /dev/null
+++ b/llvm/utils/TableGen/Basic/RuntimeLibcalls.cpp
@@ -0,0 +1,93 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "RuntimeLibcalls.h"
+#include "llvm/TableGen/Error.h"
+
+using namespace llvm;
+
+RuntimeLibcalls::RuntimeLibcalls(const RecordKeeper &Records) {
+ ArrayRef<const Record *> AllRuntimeLibcalls =
+ Records.getAllDerivedDefinitions("RuntimeLibcall");
+
+ RuntimeLibcallDefList.reserve(AllRuntimeLibcalls.size());
+
+ size_t CallTypeEnumVal = 0;
+ for (const Record *RuntimeLibcallDef : AllRuntimeLibcalls) {
+ RuntimeLibcallDefList.emplace_back(RuntimeLibcallDef, CallTypeEnumVal++);
+ Def2RuntimeLibcall[RuntimeLibcallDef] = &RuntimeLibcallDefList.back();
+ }
+
+ for (RuntimeLibcall &LibCall : RuntimeLibcallDefList)
+ Def2RuntimeLibcall[LibCall.getDef()] = &LibCall;
+
+ ArrayRef<const Record *> AllRuntimeLibcallImplsRaw =
+ Records.getAllDerivedDefinitions("RuntimeLibcallImpl");
+
+ SmallVector<const Record *, 1024> AllRuntimeLibcallImpls(
+ AllRuntimeLibcallImplsRaw);
+
+ // Sort by libcall impl name and secondarily by the enum name.
+ sort(AllRuntimeLibcallImpls, [](const Record *A, const Record *B) {
+ return std::pair(A->getValueAsString("LibCallFuncName"), A->getName()) <
+ std::pair(B->getValueAsString("LibCallFuncName"), B->getName());
+ });
+
+ RuntimeLibcallImplDefList.reserve(AllRuntimeLibcallImpls.size());
+
+ size_t LibCallImplEnumVal = 1;
+ for (const Record *LibCallImplDef : AllRuntimeLibcallImpls) {
+ RuntimeLibcallImplDefList.emplace_back(LibCallImplDef, Def2RuntimeLibcall,
+ LibCallImplEnumVal++);
+
+ const RuntimeLibcallImpl &LibCallImpl = RuntimeLibcallImplDefList.back();
+ Def2RuntimeLibcallImpl[LibCallImplDef] = &LibCallImpl;
+
+ if (LibCallImpl.isDefault()) {
+ const RuntimeLibcall *Provides = LibCallImpl.getProvides();
+ if (!Provides)
+ PrintFatalError(LibCallImplDef->getLoc(),
+ "default implementations must provide a libcall");
+ LibCallToDefaultImpl[Provides] = &LibCallImpl;
+ }
+ }
+}
+
+void LibcallPredicateExpander::expand(SetTheory &ST, const Record *Def,
+ SetTheory::RecSet &Elts) {
+ assert(Def->isSubClassOf("LibcallImpls"));
+
+ SetTheory::RecSet TmpElts;
+
+ ST.evaluate(Def->getValueInit("MemberList"), TmpElts, Def->getLoc());
+
+ Elts.insert(TmpElts.begin(), TmpElts.end());
+
+ AvailabilityPredicate AP(Def->getValueAsDef("AvailabilityPredicate"));
+ const Record *CCClass = Def->getValueAsOptionalDef("CallingConv");
+
+ // This is assuming we aren't conditionally applying a calling convention to
+ // some subsets, and not another, but this doesn't appear to be used.
+
+ for (const Record *LibcallImplDef : TmpElts) {
+ const RuntimeLibcallImpl *LibcallImpl =
+ Libcalls.getRuntimeLibcallImpl(LibcallImplDef);
+ if (!AP.isAlwaysAvailable() || CCClass) {
+ auto [It, Inserted] = Func2Preds.insert({LibcallImpl, {{}, CCClass}});
+ if (!Inserted) {
+ PrintError(
+ Def,
+ "combining nested libcall set predicates currently unhandled: '" +
+ LibcallImpl->getLibcallFuncName() + "'");
+ }
+
+ It->second.first.push_back(AP.getDef());
+ It->second.second = CCClass;
+ }
+ }
+}
diff --git a/llvm/utils/TableGen/Basic/RuntimeLibcalls.h b/llvm/utils/TableGen/Basic/RuntimeLibcalls.h
new file mode 100644
index 0000000000000..6c9897602b2fa
--- /dev/null
+++ b/llvm/utils/TableGen/Basic/RuntimeLibcalls.h
@@ -0,0 +1,189 @@
+//===------------------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_UTILS_TABLEGEN_COMMON_RUNTIMELIBCALLS_H
+#define LLVM_UTILS_TABLEGEN_COMMON_RUNTIMELIBCALLS_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/SetTheory.h"
+
+namespace llvm {
+
+class AvailabilityPredicate {
+ const Record *TheDef;
+ StringRef PredicateString;
+
+public:
+ AvailabilityPredicate(const Record *Def) : TheDef(Def) {
+ if (TheDef)
+ PredicateString = TheDef->getValueAsString("Cond");
+ }
+
+ const Record *getDef() const { return TheDef; }
+
+ bool isAlwaysAvailable() const { return PredicateString.empty(); }
+
+ void emitIf(raw_ostream &OS) const {
+ OS << "if (" << PredicateString << ") {\n";
+ }
+
+ void emitEndIf(raw_ostream &OS) const { OS << "}\n"; }
+
+ void emitTableVariableNameSuffix(raw_ostream &OS) const {
+ if (TheDef)
+ OS << '_' << TheDef->getName();
+ }
+};
+
+class RuntimeLibcalls;
+class RuntimeLibcallImpl;
+
+/// Used to apply predicates to nested sets of libcalls.
+struct LibcallPredicateExpander : SetTheory::Expander {
+ const RuntimeLibcalls &Libcalls;
+ DenseMap<const RuntimeLibcallImpl *,
+ std::pair<std::vector<const Record *>, const Record *>> &Func2Preds;
+
+ LibcallPredicateExpander(
+ const RuntimeLibcalls &Libcalls,
+ DenseMap<const RuntimeLibcallImpl *,
+ std::pair<std::vector<const Record *>, const Record *>>
+ &Func2Preds)
+ : Libcalls(Libcalls), Func2Preds(Func2Preds) {}
+
+ void expand(SetTheory &ST, const Record *Def,
+ SetTheory::RecSet &Elts) override;
+};
+
+class RuntimeLibcall {
+ const Record *TheDef = nullptr;
+ const size_t EnumVal;
+
+public:
+ RuntimeLibcall() = delete;
+ RuntimeLibcall(const Record *Def, size_t EnumVal)
+ : TheDef(Def), EnumVal(EnumVal) {
+ assert(Def);
+ }
+
+ ~RuntimeLibcall() { assert(TheDef); }
+
+ const Record *getDef() const { return TheDef; }
+
+ StringRef getName() const { return TheDef->getName(); }
+
+ size_t getEnumVal() const { return EnumVal; }
+
+ void emitEnumEntry(raw_ostream &OS) const {
+ OS << "RTLIB::" << TheDef->getValueAsString("Name");
+ }
+};
+
+class RuntimeLibcallImpl {
+ const Record *TheDef;
+ const RuntimeLibcall *Provides = nullptr;
+ const size_t EnumVal;
+
+public:
+ RuntimeLibcallImpl(
+ const Record *Def,
+ const DenseMap<const Record *, const RuntimeLibcall *> &ProvideMap,
+ size_t EnumVal)
+ : TheDef(Def), EnumVal(EnumVal) {
+ if (const Record *ProvidesDef = Def->getValueAsDef("Provides"))
+ Provides = ProvideMap.lookup(ProvidesDef);
+ }
+
+ ~RuntimeLibcallImpl() = default;
+
+ const Record *getDef() const { return TheDef; }
+
+ StringRef getName() const { return TheDef->getName(); }
+
+ size_t getEnumVal() const { return EnumVal; }
+
+ const RuntimeLibcall *getProvides() const { return Provides; }
+
+ StringRef getLibcallFuncName() const {
+ return TheDef->getValueAsString("LibCallFuncName");
+ }
+
+ const Record *getCallingConv() const {
+ return TheDef->getValueAsOptionalDef("CallingConv");
+ }
+
+ void emitQuotedLibcallFuncName(raw_ostream &OS) const {
+ OS << '\"' << getLibcallFuncName() << '\"';
+ }
+
+ bool isDefault() const { return TheDef->getValueAsBit("IsDefault"); }
+
+ void emitEnumEntry(raw_ostream &OS) const {
+ OS << "RTLIB::impl_" << this->getName();
+ }
+
+ void emitSetImplCall(raw_ostream &OS) const {
+ OS << "setLibcallImpl(";
+ Provides->emitEnumEntry(OS);
+ OS << ", ";
+ emitEnumEntry(OS);
+ OS << "); // " << getLibcallFuncName() << '\n';
+ }
+
+ void emitTableEntry(raw_ostream &OS) const {
+ OS << '{';
+ Provides->emitEnumEntry(OS);
+ OS << ", ";
+ emitEnumEntry(OS);
+ OS << "}, // " << getLibcallFuncName() << '\n';
+ }
+
+ void emitSetCallingConv(raw_ostream &OS) const {}
+};
+
+struct LibcallsWithCC {
+ std::vector<const RuntimeLibcallImpl *> LibcallImpls;
+ const Record *CallingConv = nullptr;
+};
+
+class RuntimeLibcalls {
+private:
+ DenseMap<const Record *, const RuntimeLibcall *> Def2RuntimeLibcall;
+ DenseMap<const Record *, const RuntimeLibcallImpl *> Def2RuntimeLibcallImpl;
+
+ std::vector<RuntimeLibcall> RuntimeLibcallDefList;
+ std::vector<RuntimeLibcallImpl> RuntimeLibcallImplDefList;
+
+ DenseMap<const RuntimeLibcall *, const RuntimeLibcallImpl *>
+ LibCallToDefaultImpl;
+
+public:
+ RuntimeLibcalls(const RecordKeeper &Records);
+
+ ArrayRef<RuntimeLibcall> getRuntimeLibcallDefList() const {
+ return RuntimeLibcallDefList;
+ }
+
+ ArrayRef<RuntimeLibcallImpl> getRuntimeLibcallImplDefList() const {
+ return RuntimeLibcallImplDefList;
+ }
+
+ const RuntimeLibcall *getRuntimeLibcall(const Record *Def) const {
+ return Def2RuntimeLibcall.lookup(Def);
+ }
+
+ const RuntimeLibcallImpl *getRuntimeLibcallImpl(const Record *Def) const {
+ return Def2RuntimeLibcallImpl.lookup(Def);
+ }
+};
+
+} // namespace llvm
+
+#endif // LLVM_UTILS_TABLEGEN_COMMON_RUNTIMELIBCALLS_H
diff --git a/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp b/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
index 001ca7b658d3c..7aca87a63d0a2 100644
--- a/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
+++ b/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
@@ -8,6 +8,8 @@
#define DEBUG_TYPE "runtime-libcall-emitter"
+#include "RuntimeLibcalls.h"
+
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Debug.h"
@@ -65,160 +67,12 @@ template <> struct DenseMapInfo<PredicateWithCC, void> {
return LHS == RHS;
}
};
-} // namespace llvm
-
-namespace {
-
-class AvailabilityPredicate {
- const Record *TheDef;
- StringRef PredicateString;
-
-public:
- AvailabilityPredicate(const Record *Def) : TheDef(Def) {
- if (TheDef)
- PredicateString = TheDef->getValueAsString("Cond");
- }
-
- const Record *getDef() const { return TheDef; }
-
- bool isAlwaysAvailable() const { return PredicateString.empty(); }
-
- void emitIf(raw_ostream &OS) const {
- OS << "if (" << PredicateString << ") {\n";
- }
-
- void emitEndIf(raw_ostream &OS) const { OS << "}\n"; }
-
- void emitTableVariableNameSuffix(raw_ostream &OS) const {
- if (TheDef)
- OS << '_' << TheDef->getName();
- }
-};
-
-class RuntimeLibcallEmitter;
-class RuntimeLibcallImpl;
-
-/// Used to apply predicates to nested sets of libcalls.
-struct LibcallPredicateExpander : SetTheory::Expander {
- const RuntimeLibcallEmitter &LibcallEmitter;
- DenseMap<const RuntimeLibcallImpl *,
- std::pair<std::vector<const Record *>, const Record *>> &Func2Preds;
-
- LibcallPredicateExpander(
- const RuntimeLibcallEmitter &LibcallEmitter,
- DenseMap<const RuntimeLibcallImpl *,
- std::pair<std::vector<const Record *>, const Record *>>
- &Func2Preds)
- : LibcallEmitter(LibcallEmitter), Func2Preds(Func2Preds) {}
-
- void expand(SetTheory &ST, const Record *Def,
- SetTheory::RecSet &Elts) override;
-};
-
-class RuntimeLibcall {
- const Record *TheDef = nullptr;
- const size_t EnumVal;
-
-public:
- RuntimeLibcall() = delete;
- RuntimeLibcall(const Record *Def, size_t EnumVal)
- : TheDef(Def), EnumVal(EnumVal) {
- assert(Def);
- }
-
- ~RuntimeLibcall() { assert(TheDef); }
-
- const Record *getDef() const { return TheDef; }
-
- StringRef getName() const { return TheDef->getName(); }
-
- size_t getEnumVal() const { return EnumVal; }
-
- void emitEnumEntry(raw_ostream &OS) const {
- OS << "RTLIB::" << TheDef->getValueAsString("Name");
- }
-};
-
-class RuntimeLibcallImpl {
- const Record *TheDef;
- const RuntimeLibcall *Provides = nullptr;
- const size_t EnumVal;
-
-public:
- RuntimeLibcallImpl(
- const Record *Def,
- const DenseMap<const Record *, const RuntimeLibcall *> &ProvideMap,
- size_t EnumVal)
- : TheDef(Def), EnumVal(EnumVal) {
- if (const Record *ProvidesDef = Def->getValueAsDef("Provides"))
- Provides = ProvideMap.lookup(ProvidesDef);
- }
-
- ~RuntimeLibcallImpl() = default;
-
- const Record *getDef() const { return TheDef; }
-
- StringRef getName() const { return TheDef->getName(); }
-
- size_t getEnumVal() const { return EnumVal; }
-
- const RuntimeLibcall *getProvides() const { return Provides; }
-
- StringRef getLibcallFuncName() const {
- return TheDef->getValueAsString("LibCallFuncName");
- }
-
- const Record *getCallingConv() const {
- return TheDef->getValueAsOptionalDef("CallingConv");
- }
-
- void emitQuotedLibcallFuncName(raw_ostream &OS) const {
- OS << '\"' << getLibcallFuncName() << '\"';
- }
-
- bool isDefault() const { return TheDef->getValueAsBit("IsDefault"); }
-
- void emitEnumEntry(raw_ostream &OS) const {
- OS << "RTLIB::impl_" << this->getName();
- }
-
- void emitSetImplCall(raw_ostream &OS) const {
- OS << "setLibcallImpl(";
- Provides->emitEnumEntry(OS);
- OS << ", ";
- emitEnumEntry(OS);
- OS << "); // " << getLibcallFuncName() << '\n';
- }
-
- void emitTableEntry(raw_ostream &OS) const {
- OS << '{';
- Provides->emitEnumEntry(OS);
- OS << ", ";
- emitEnumEntry(OS);
- OS << "}, // " << getLibcallFuncName() << '\n';
- }
-
- void emitSetCallingConv(raw_ostream &OS) const {}
-};
-
-struct LibcallsWithCC {
- std::vector<const RuntimeLibcallImpl *> LibcallImpls;
- const Record *CallingConv = nullptr;
-};
class RuntimeLibcallEmitter {
private:
const RecordKeeper &Records;
- DenseMap<const Record *, const RuntimeLibcall *> Def2RuntimeLibcall;
- DenseMap<const Record *, const RuntimeLibcallImpl *> Def2RuntimeLibcallImpl;
-
- std::vector<RuntimeLibcall> RuntimeLibcallDefList;
- std::vector<RuntimeLibcallImpl> RuntimeLibcallImplDefList;
-
- DenseMap<const RuntimeLibcall *, const RuntimeLibcallImpl *>
- LibCallToDefaultImpl;
+ RuntimeLibcalls Libcalls;
-private:
void emitGetRuntimeLibcallEnum(raw_ostream &OS) const;
void emitNameMatchHashTable(raw_ostream &OS,
@@ -229,61 +83,7 @@ class RuntimeLibcallEmitter {
void emitSystemRuntimeLibrarySetCalls(raw_ostream &OS) const;
public:
- RuntimeLibcallEmitter(const RecordKeeper &R) : Records(R) {
-
- ArrayRef<const Record *> AllRuntimeLibcalls =
- Records.getAllDerivedDefinitions("RuntimeLibcall");
-
- RuntimeLibcallDefList.reserve(AllRuntimeLibcalls.size());
-
- size_t CallTypeEnumVal = 0;
- for (const Record *RuntimeLibcallDef : AllRuntimeLibcalls) {
- RuntimeLibcallDefList.emplace_back(RuntimeLibcallDef, CallTypeEnumVal++);
- Def2RuntimeLibcall[RuntimeLibcallDef] = &RuntimeLibcallDefList.back();
- }
-
- for (RuntimeLibcall &LibCall : RuntimeLibcallDefList)
- Def2RuntimeLibcall[LibCall.getDef()] = &LibCall;
-
- ArrayRef<const Record *> AllRuntimeLibcallImplsRaw =
- Records.getAllDerivedDefinitions("RuntimeLibcallImpl");
-
- SmallVector<const Record *, 1024> AllRuntimeLibcallImpls(
- AllRuntimeLibcallImplsRaw);
-
- // Sort by libcall impl name and secondarily by the enum name.
- sort(AllRuntimeLibcallImpls, [](const Record *A, const Record *B) {
- return std::pair(A->getValueAsString("LibCallFuncName"), A->getName()) <
- std::pair(B->getValueAsString("LibCallFuncName"), B->getName());
- });
-
- RuntimeLibcallImplDefList.reserve(AllRuntimeLibcallImpls.size());
-
- size_t LibCallImplEnumVal = 1;
- for (const Record *LibCallImplDef : AllRuntimeLibcallImpls) {
- RuntimeLibcallImplDefList.emplace_back(LibCallImplDef, Def2RuntimeLibcall,
- LibCallImplEnumVal++);
-
- const RuntimeLibcallImpl &LibCallImpl = RuntimeLibcallImplDefList.back();
- Def2RuntimeLibcallImpl[LibCallImplDef] = &LibCallImpl;
-
- if (LibCallImpl.isDefault()) {
- const RuntimeLibcall *Provides = LibCallImpl.getProvides();
- if (!Provides)
- PrintFatalError(LibCallImplDef->getLoc(),
- "default implementations must provide a libcall");
- LibCallToDefaultImpl[Provides] = &LibCallImpl;
- }
- }
- }
-
- const RuntimeLibcall *getRuntimeLibcall(const Record *Def) const {
- return Def2RuntimeLibcall.lookup(Def);
- }
-
- const RuntimeLibcallImpl *getRuntimeLibcallImpl(const Record *Def) const {
- return Def2RuntimeLibcallImpl.lookup(Def);
- }
+ RuntimeLibcallEmitter(const RecordKeeper &R) : Records(R), Libcalls(R) {}
void run(raw_ostream &OS);
};
@@ -297,24 +97,25 @@ void RuntimeLibcallEmitter::emitGetRuntimeLibcallEnum(raw_ostream &OS) const {
"namespace RTLIB {\n"
"enum Libcall : unsigned short {\n";
- for (const RuntimeLibcall &LibCall : RuntimeLibcallDefList) {
+ for (const RuntimeLibcall &LibCall : Libcalls.getRuntimeLibcallDefList()) {
StringRef Name = LibCall.getName();
OS << " " << Name << " = " << LibCall.getEnumVal() << ",\n";
}
- OS << " UNKNOWN_LIBCALL = " << RuntimeLibcallDefList.size()
+ OS << " UNKNOWN_LIBCALL = " << Libcalls.getRuntimeLibcallDefList().size()
<< "\n};\n\n"
"enum LibcallImpl : unsigned short {\n"
" Unsupported = 0,\n";
- for (const RuntimeLibcallImpl &LibCall : RuntimeLibcallImplDefList) {
+ for (const RuntimeLibcallImpl &LibCall :
+ Libcalls.getRuntimeLibcallImplDefList()) {
OS << " impl_" << LibCall.getName() << " = " << LibCall.getEnumVal()
<< ", // " << LibCall.getLibcallFuncName() << '\n';
}
OS << "};\n"
<< "constexpr size_t NumLibcallImpls = "
- << RuntimeLibcallImplDefList.size() + 1
+ << Libcalls.getRuntimeLibcallImplDefList().size() + 1
<< ";\n"
"} // End namespace RTLIB\n"
"} // End namespace llvm\n";
@@ -394,6 +195,8 @@ constructPerfectHashTable(ArrayRef<RuntimeLibcallImpl> Keywords,
/// Generate hash table based lookup by name.
void RuntimeLibcallEmitter::emitNameMatchHashTable(
raw_ostream &OS, StringToOffsetTable &OffsetTable) const {
+ ArrayRef<RuntimeLibcallImpl> RuntimeLibcallImplDefList =
+ Libcalls.getRuntimeLibcallImplDefList();
std::vector<uint64_t> Hashes(RuntimeLibcallImplDefList.size());
std::vector<unsigned> TableValues(RuntimeLibcallImplDefList.size());
DenseSet<StringRef> SeenFuncNames;
@@ -495,7 +298,8 @@ void RuntimeLibcallEmitter::emitGetInitRuntimeLibcallNames(
{
IfDefEmitter IfDef(OS, "GET_INIT_RUNTIME_LIBCALL_NAMES");
- for (const RuntimeLibcallImpl &LibCallImpl : RuntimeLibcallImplDefList)
+ for (const RuntimeLibcallImpl &LibCallImpl :
+ Libcalls.getRuntimeLibcallImplDefList())
Table.GetOrAddStringOffset(LibCallImpl.getLibcallFuncName());
Table.EmitStringTableDef(OS, "RuntimeLibcallImplNameTable");
@@ -505,7 +309,8 @@ const uint16_t RTLIB::RuntimeLibcallsInfo::RuntimeLibcallNameOffsetTable[] = {
OS << formatv(" {}, // {}\n", Table.GetStringOffset(""),
""); // Unsupported entry
- for (const RuntimeLibcallImpl &LibCallImpl : RuntimeLibcallImplDefList) {
+ for (const RuntimeLibcallImpl &LibCallImpl :
+ Libcalls.getRuntimeLibcallImplDefList()) {
StringRef ImplName = LibCallImpl.getLibcallFuncName();
OS << formatv(" {}, // {}\n", Table.GetStringOffset(ImplName), ImplName);
}
@@ -516,7 +321,8 @@ const uint8_t RTLIB::RuntimeLibcallsInfo::RuntimeLibcallNameSizeTable[] = {
)";
OS << " 0,\n";
- for (const RuntimeLibcallImpl &LibCallImpl : RuntimeLibcallImplDefList)
+ for (const RuntimeLibcallImpl &LibCallImpl :
+ Libcalls.getRuntimeLibcallImplDefList())
OS << " " << LibCallImpl.getLibcallFuncName().size() << ",\n";
OS << "};\n\n";
@@ -525,7 +331,8 @@ const uint8_t RTLIB::RuntimeLibcallsInfo::RuntimeLibcallNameSizeTable[] = {
"ImplToLibcall[RTLIB::NumLibcallImpls] = {\n"
" RTLIB::UNKNOWN_LIBCALL, // RTLIB::Unsupported\n";
- for (const RuntimeLibcallImpl &LibCallImpl : RuntimeLibcallImplDefList) {
+ for (const RuntimeLibcallImpl &LibCallImpl :
+ Libcalls.getRuntimeLibcallImplDefList()) {
const RuntimeLibcall *Provides = LibCallImpl.getProvides();
OS << " ";
Provides->emitEnumEntry(OS);
@@ -533,6 +340,7 @@ const uint8_t RTLIB::RuntimeLibcallsInfo::RuntimeLibcallNameSizeTable[] = {
LibCallImpl.emitEnumEntry(OS);
OS << '\n';
}
+
OS << "};\n\n";
}
@@ -576,7 +384,7 @@ void RuntimeLibcallEmitter::emitSystemRuntimeLibrarySetCalls(
std::pair<std::vector<const Record *>, const Record *>>
Func2Preds;
Sets.addExpander("LibcallImpls", std::make_unique<LibcallPredicateExpander>(
- *this, Func2Preds));
+ Libcalls, Func2Preds));
const SetTheory::RecVec *Elements =
Sets.expand(R->getValueAsDef("MemberList"));
@@ -589,11 +397,12 @@ void RuntimeLibcallEmitter::emitSystemRuntimeLibrarySetCalls(
constexpr unsigned BitsPerStorageElt = 64;
DenseMap<PredicateWithCC, LibcallsWithCC> Pred2Funcs;
- SmallVector<uint64_t, 32> BitsetValues(
- divideCeil(RuntimeLibcallImplDefList.size() + 1, BitsPerStorageElt));
+ SmallVector<uint64_t, 32> BitsetValues(divideCeil(
+ Libcalls.getRuntimeLibcallImplDefList().size() + 1, BitsPerStorageElt));
for (const Record *Elt : *Elements) {
- const RuntimeLibcallImpl *LibCallImpl = getRuntimeLibcallImpl(Elt);
+ const RuntimeLibcallImpl *LibCallImpl =
+ Libcalls.getRuntimeLibcallImpl(Elt);
if (!LibCallImpl) {
PrintError(R, "entry for SystemLibrary is not a RuntimeLibcallImpl");
PrintNote(Elt->getLoc(), "invalid entry `" + Elt->getName() + "`");
@@ -761,39 +570,5 @@ void RuntimeLibcallEmitter::run(raw_ostream &OS) {
}
}
-void LibcallPredicateExpander::expand(SetTheory &ST, const Record *Def,
- SetTheory::RecSet &Elts) {
- assert(Def->isSubClassOf("LibcallImpls"));
-
- SetTheory::RecSet TmpElts;
-
- ST.evaluate(Def->getValueInit("MemberList"), TmpElts, Def->getLoc());
-
- Elts.insert(TmpElts.begin(), TmpElts.end());
-
- AvailabilityPredicate AP(Def->getValueAsDef("AvailabilityPredicate"));
- const Record *CCClass = Def->getValueAsOptionalDef("CallingConv");
-
- // This is assuming we aren't conditionally applying a calling convention to
- // some subsets, and not another, but this doesn't appear to be used.
-
- for (const Record *LibcallImplDef : TmpElts) {
- const RuntimeLibcallImpl *LibcallImpl =
- LibcallEmitter.getRuntimeLibcallImpl(LibcallImplDef);
- if (!AP.isAlwaysAvailable() || CCClass) {
- auto [It, Inserted] = Func2Preds.insert({LibcallImpl, {{}, CCClass}});
- if (!Inserted) {
- PrintError(
- Def,
- "combining nested libcall set predicates currently unhandled: '" +
- LibcallImpl->getLibcallFuncName() + "'");
- }
-
- It->second.first.push_back(AP.getDef());
- It->second.second = CCClass;
- }
- }
-}
-
static TableGen::Emitter::OptClass<RuntimeLibcallEmitter>
X("gen-runtime-libcalls", "Generate RuntimeLibcalls");
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