1 files changed, 69 insertions, 0 deletions
diff --git a/js/src/jit/IonCacheIRCompiler.h b/js/src/jit/IonCacheIRCompiler.h
new file mode 100644
index 0000000000..1a45ea4b2c
--- /dev/null
+++ b/js/src/jit/IonCacheIRCompiler.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_IonCacheIRCompiler_h
+#define jit_IonCacheIRCompiler_h
+
+#include "mozilla/Maybe.h"
+
+#include "jit/CacheIR.h"
+#include "jit/CacheIRCompiler.h"
+#include "jit/IonIC.h"
+
+namespace js {
+namespace jit {
+
+// IonCacheIRCompiler compiles CacheIR to IonIC native code.
+class MOZ_RAII IonCacheIRCompiler : public CacheIRCompiler {
+ public:
+  friend class AutoSaveLiveRegisters;
+  friend class AutoCallVM;
+
+  IonCacheIRCompiler(JSContext* cx, const CacheIRWriter& writer, IonIC* ic,
+                     IonScript* ionScript, uint32_t stubDataOffset);
+
+  [[nodiscard]] bool init();
+  JitCode* compile(IonICStub* stub);
+
+#ifdef DEBUG
+  void assertFloatRegisterAvailable(FloatRegister reg);
+#endif
+
+ private:
+  const CacheIRWriter& writer_;
+  IonIC* ic_;
+  IonScript* ionScript_;
+
+  Vector<CodeOffset, 4, SystemAllocPolicy> nextCodeOffsets_;
+  mozilla::Maybe<LiveRegisterSet> liveRegs_;
+  mozilla::Maybe<CodeOffset> stubJitCodeOffset_;
+
+  bool savedLiveRegs_;
+
+  template <typename T>
+  T rawPointerStubField(uint32_t offset);
+
+  template <typename T>
+  T rawInt64StubField(uint32_t offset);
+
+  void prepareVMCall(MacroAssembler& masm, const AutoSaveLiveRegisters&);
+
+  template <typename Fn, Fn fn>
+  void callVM(MacroAssembler& masm);
+
+  [[nodiscard]] bool emitAddAndStoreSlotShared(
+      CacheOp op, ObjOperandId objId, uint32_t offsetOffset, ValOperandId rhsId,
+      uint32_t newShapeOffset, mozilla::Maybe<uint32_t> numNewSlotsOffset);
+
+  void pushStubCodePointer();
+
+  CACHE_IR_COMPILER_UNSHARED_GENERATED
+};
+
+}  // namespace jit
+}  // namespace js
+
+#endif /* jit_IonCacheIRCompiler_h */